diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs
index 269560843657d..5499993db63ed 100644
--- a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs
+++ b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs
@@ -1962,7 +1962,7 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> {
}
ObligationCauseCode::BindingObligation(item_def_id, span) => {
let item_name = tcx.def_path_str(item_def_id);
- let msg = format!("required by this bound in `{}`", item_name);
+ let mut multispan = MultiSpan::from(span);
if let Some(ident) = tcx.opt_item_name(item_def_id) {
let sm = tcx.sess.source_map();
let same_line =
@@ -1971,16 +1971,17 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> {
_ => true,
};
if !ident.span.overlaps(span) && !same_line {
- err.span_label(ident.span, "required by a bound in this");
+ multispan
+ .push_span_label(ident.span, "required by a bound in this".to_string());
}
}
+ let descr = format!("required by a bound in `{}`", item_name);
if span != DUMMY_SP {
- err.span_label(span, &msg);
+ let msg = format!("required by this bound in `{}`", item_name);
+ multispan.push_span_label(span, msg);
+ err.span_note(multispan, &descr);
} else {
- err.span_note(
- tcx.def_span(item_def_id),
- &format!("required by a bound in `{}`", item_name),
- );
+ err.span_note(tcx.def_span(item_def_id), &descr);
}
}
ObligationCauseCode::ObjectCastObligation(object_ty) => {
diff --git a/src/test/ui/anonymous-higher-ranked-lifetime.stderr b/src/test/ui/anonymous-higher-ranked-lifetime.stderr
index 576fcc6fade64..c7fb85c8f8263 100644
--- a/src/test/ui/anonymous-higher-ranked-lifetime.stderr
+++ b/src/test/ui/anonymous-higher-ranked-lifetime.stderr
@@ -5,9 +5,12 @@ LL | f1(|_: (), _: ()| {});
| ^^ -------------- found signature of `fn((), ()) -> _`
| |
| expected signature of `for<'r, 's> fn(&'r (), &'s ()) -> _`
-...
+ |
+note: required by a bound in `f1`
+ --> $DIR/anonymous-higher-ranked-lifetime.rs:16:25
+ |
LL | fn f1<F>(_: F) where F: Fn(&(), &()) {}
- | ------------ required by this bound in `f1`
+ | ^^^^^^^^^^^^ required by this bound in `f1`
error[E0631]: type mismatch in closure arguments
--> $DIR/anonymous-higher-ranked-lifetime.rs:3:5
@@ -16,9 +19,12 @@ LL | f2(|_: (), _: ()| {});
| ^^ -------------- found signature of `fn((), ()) -> _`
| |
| expected signature of `for<'a, 'r> fn(&'a (), &'r ()) -> _`
-...
+ |
+note: required by a bound in `f2`
+ --> $DIR/anonymous-higher-ranked-lifetime.rs:17:25
+ |
LL | fn f2<F>(_: F) where F: for<'a> Fn(&'a (), &()) {}
- | ----------------------- required by this bound in `f2`
+ | ^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `f2`
error[E0631]: type mismatch in closure arguments
--> $DIR/anonymous-higher-ranked-lifetime.rs:4:5
@@ -27,9 +33,12 @@ LL | f3(|_: (), _: ()| {});
| ^^ -------------- found signature of `fn((), ()) -> _`
| |
| expected signature of `for<'r> fn(&(), &'r ()) -> _`
-...
+ |
+note: required by a bound in `f3`
+ --> $DIR/anonymous-higher-ranked-lifetime.rs:18:29
+ |
LL | fn f3<'a, F>(_: F) where F: Fn(&'a (), &()) {}
- | --------------- required by this bound in `f3`
+ | ^^^^^^^^^^^^^^^ required by this bound in `f3`
error[E0631]: type mismatch in closure arguments
--> $DIR/anonymous-higher-ranked-lifetime.rs:5:5
@@ -38,9 +47,12 @@ LL | f4(|_: (), _: ()| {});
| ^^ -------------- found signature of `fn((), ()) -> _`
| |
| expected signature of `for<'s, 'r> fn(&'s (), &'r ()) -> _`
-...
+ |
+note: required by a bound in `f4`
+ --> $DIR/anonymous-higher-ranked-lifetime.rs:19:25
+ |
LL | fn f4<F>(_: F) where F: for<'r> Fn(&(), &'r ()) {}
- | ----------------------- required by this bound in `f4`
+ | ^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `f4`
error[E0631]: type mismatch in closure arguments
--> $DIR/anonymous-higher-ranked-lifetime.rs:6:5
@@ -49,9 +61,12 @@ LL | f5(|_: (), _: ()| {});
| ^^ -------------- found signature of `fn((), ()) -> _`
| |
| expected signature of `for<'r> fn(&'r (), &'r ()) -> _`
-...
+ |
+note: required by a bound in `f5`
+ --> $DIR/anonymous-higher-ranked-lifetime.rs:20:25
+ |
LL | fn f5<F>(_: F) where F: for<'r> Fn(&'r (), &'r ()) {}
- | -------------------------- required by this bound in `f5`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `f5`
error[E0631]: type mismatch in closure arguments
--> $DIR/anonymous-higher-ranked-lifetime.rs:7:5
@@ -60,9 +75,12 @@ LL | g1(|_: (), _: ()| {});
| ^^ -------------- found signature of `fn((), ()) -> _`
| |
| expected signature of `for<'r> fn(&'r (), Box<(dyn for<'s> Fn(&'s ()) + 'static)>) -> _`
-...
+ |
+note: required by a bound in `g1`
+ --> $DIR/anonymous-higher-ranked-lifetime.rs:23:25
+ |
LL | fn g1<F>(_: F) where F: Fn(&(), Box<dyn Fn(&())>) {}
- | ------------------------- required by this bound in `g1`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `g1`
error[E0631]: type mismatch in closure arguments
--> $DIR/anonymous-higher-ranked-lifetime.rs:8:5
@@ -71,9 +89,12 @@ LL | g2(|_: (), _: ()| {});
| ^^ -------------- found signature of `fn((), ()) -> _`
| |
| expected signature of `for<'r> fn(&'r (), for<'s> fn(&'s ())) -> _`
-...
+ |
+note: required by a bound in `g2`
+ --> $DIR/anonymous-higher-ranked-lifetime.rs:24:25
+ |
LL | fn g2<F>(_: F) where F: Fn(&(), fn(&())) {}
- | ---------------- required by this bound in `g2`
+ | ^^^^^^^^^^^^^^^^ required by this bound in `g2`
error[E0631]: type mismatch in closure arguments
--> $DIR/anonymous-higher-ranked-lifetime.rs:9:5
@@ -82,9 +103,12 @@ LL | g3(|_: (), _: ()| {});
| ^^ -------------- found signature of `fn((), ()) -> _`
| |
| expected signature of `for<'s> fn(&'s (), Box<(dyn for<'r> Fn(&'r ()) + 'static)>) -> _`
-...
+ |
+note: required by a bound in `g3`
+ --> $DIR/anonymous-higher-ranked-lifetime.rs:25:25
+ |
LL | fn g3<F>(_: F) where F: for<'s> Fn(&'s (), Box<dyn Fn(&())>) {}
- | ------------------------------------ required by this bound in `g3`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `g3`
error[E0631]: type mismatch in closure arguments
--> $DIR/anonymous-higher-ranked-lifetime.rs:10:5
@@ -93,9 +117,12 @@ LL | g4(|_: (), _: ()| {});
| ^^ -------------- found signature of `fn((), ()) -> _`
| |
| expected signature of `for<'s> fn(&'s (), for<'r> fn(&'r ())) -> _`
-...
+ |
+note: required by a bound in `g4`
+ --> $DIR/anonymous-higher-ranked-lifetime.rs:26:25
+ |
LL | fn g4<F>(_: F) where F: Fn(&(), for<'r> fn(&'r ())) {}
- | --------------------------- required by this bound in `g4`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `g4`
error[E0631]: type mismatch in closure arguments
--> $DIR/anonymous-higher-ranked-lifetime.rs:11:5
@@ -104,9 +131,12 @@ LL | h1(|_: (), _: (), _: (), _: ()| {});
| ^^ ---------------------------- found signature of `fn((), (), (), ()) -> _`
| |
| expected signature of `for<'r, 's> fn(&'r (), Box<(dyn for<'t0> Fn(&'t0 ()) + 'static)>, &'s (), for<'t0, 't1> fn(&'t0 (), &'t1 ())) -> _`
-...
+ |
+note: required by a bound in `h1`
+ --> $DIR/anonymous-higher-ranked-lifetime.rs:29:25
+ |
LL | fn h1<F>(_: F) where F: Fn(&(), Box<dyn Fn(&())>, &(), fn(&(), &())) {}
- | -------------------------------------------- required by this bound in `h1`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `h1`
error[E0631]: type mismatch in closure arguments
--> $DIR/anonymous-higher-ranked-lifetime.rs:12:5
@@ -115,9 +145,12 @@ LL | h2(|_: (), _: (), _: (), _: ()| {});
| ^^ ---------------------------- found signature of `fn((), (), (), ()) -> _`
| |
| expected signature of `for<'r, 't0> fn(&'r (), Box<(dyn for<'s> Fn(&'s ()) + 'static)>, &'t0 (), for<'s, 't1> fn(&'s (), &'t1 ())) -> _`
-...
+ |
+note: required by a bound in `h2`
+ --> $DIR/anonymous-higher-ranked-lifetime.rs:30:25
+ |
LL | fn h2<F>(_: F) where F: for<'t0> Fn(&(), Box<dyn Fn(&())>, &'t0 (), fn(&(), &())) {}
- | --------------------------------------------------------- required by this bound in `h2`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `h2`
error: aborting due to 11 previous errors
diff --git a/src/test/ui/associated-type-bounds/bad-bounds-on-assoc-in-trait.stderr b/src/test/ui/associated-type-bounds/bad-bounds-on-assoc-in-trait.stderr
index 703d790e92ce9..a694f88192ed6 100644
--- a/src/test/ui/associated-type-bounds/bad-bounds-on-assoc-in-trait.stderr
+++ b/src/test/ui/associated-type-bounds/bad-bounds-on-assoc-in-trait.stderr
@@ -4,12 +4,12 @@ error[E0277]: `<<Self as Case1>::C as Iterator>::Item` cannot be sent between th
LL | type C: Clone + Iterator<Item: Send + Iterator<Item: for<'a> Lam<&'a u8, App: Debug>> + Sync>;
| ^^^^ `<<Self as Case1>::C as Iterator>::Item` cannot be sent between threads safely
|
- ::: $SRC_DIR/core/src/marker.rs:LL:COL
+ = help: the trait `Send` is not implemented for `<<Self as Case1>::C as Iterator>::Item`
+note: required by a bound in `Send`
+ --> $SRC_DIR/core/src/marker.rs:LL:COL
|
LL | pub unsafe auto trait Send {
- | -------------------------- required by this bound in `Send`
- |
- = help: the trait `Send` is not implemented for `<<Self as Case1>::C as Iterator>::Item`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Send`
help: consider further restricting the associated type
|
LL | trait Case1 where <<Self as Case1>::C as Iterator>::Item: Send {
@@ -21,12 +21,12 @@ error[E0277]: `<<Self as Case1>::C as Iterator>::Item` is not an iterator
LL | type C: Clone + Iterator<Item: Send + Iterator<Item: for<'a> Lam<&'a u8, App: Debug>> + Sync>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `<<Self as Case1>::C as Iterator>::Item` is not an iterator
|
- ::: $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL
+ = help: the trait `Iterator` is not implemented for `<<Self as Case1>::C as Iterator>::Item`
+note: required by a bound in `Iterator`
+ --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL
|
LL | pub trait Iterator {
- | ------------------ required by this bound in `Iterator`
- |
- = help: the trait `Iterator` is not implemented for `<<Self as Case1>::C as Iterator>::Item`
+ | ^^^^^^^^^^^^^^^^^^ required by this bound in `Iterator`
help: consider further restricting the associated type
|
LL | trait Case1 where <<Self as Case1>::C as Iterator>::Item: Iterator {
@@ -38,12 +38,12 @@ error[E0277]: `<<Self as Case1>::C as Iterator>::Item` cannot be shared between
LL | type C: Clone + Iterator<Item: Send + Iterator<Item: for<'a> Lam<&'a u8, App: Debug>> + Sync>;
| ^^^^ `<<Self as Case1>::C as Iterator>::Item` cannot be shared between threads safely
|
- ::: $SRC_DIR/core/src/marker.rs:LL:COL
+ = help: the trait `Sync` is not implemented for `<<Self as Case1>::C as Iterator>::Item`
+note: required by a bound in `Sync`
+ --> $SRC_DIR/core/src/marker.rs:LL:COL
|
LL | pub unsafe auto trait Sync {
- | -------------------------- required by this bound in `Sync`
- |
- = help: the trait `Sync` is not implemented for `<<Self as Case1>::C as Iterator>::Item`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Sync`
help: consider further restricting the associated type
|
LL | trait Case1 where <<Self as Case1>::C as Iterator>::Item: Sync {
diff --git a/src/test/ui/associated-type-bounds/bounds-on-assoc-in-trait.stderr b/src/test/ui/associated-type-bounds/bounds-on-assoc-in-trait.stderr
index f3bd48f8c3724..775fe28f00d83 100644
--- a/src/test/ui/associated-type-bounds/bounds-on-assoc-in-trait.stderr
+++ b/src/test/ui/associated-type-bounds/bounds-on-assoc-in-trait.stderr
@@ -4,12 +4,12 @@ error[E0277]: `<<Self as Case1>::A as Iterator>::Item` doesn't implement `Debug`
LL | type A: Iterator<Item: Debug>;
| ^^^^^ `<<Self as Case1>::A as Iterator>::Item` cannot be formatted using `{:?}` because it doesn't implement `Debug`
|
- ::: $SRC_DIR/core/src/fmt/mod.rs:LL:COL
+ = help: the trait `Debug` is not implemented for `<<Self as Case1>::A as Iterator>::Item`
+note: required by a bound in `Debug`
+ --> $SRC_DIR/core/src/fmt/mod.rs:LL:COL
|
LL | pub trait Debug {
- | --------------- required by this bound in `Debug`
- |
- = help: the trait `Debug` is not implemented for `<<Self as Case1>::A as Iterator>::Item`
+ | ^^^^^^^^^^^^^^^ required by this bound in `Debug`
help: consider further restricting the associated type
|
LL | trait Case1 where <<Self as Case1>::A as Iterator>::Item: Debug {
@@ -21,11 +21,11 @@ error[E0277]: the trait bound `<<Self as Foo>::Out as Baz>::Assoc: Default` is n
LL | pub trait Foo { type Out: Baz<Assoc: Default>; }
| ^^^^^^^ the trait `Default` is not implemented for `<<Self as Foo>::Out as Baz>::Assoc`
|
- ::: $SRC_DIR/core/src/default.rs:LL:COL
+note: required by a bound in `Default`
+ --> $SRC_DIR/core/src/default.rs:LL:COL
|
LL | pub trait Default: Sized {
- | ------------------------ required by this bound in `Default`
- |
+ | ^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Default`
help: consider further restricting the associated type
|
LL | pub trait Foo where <<Self as Foo>::Out as Baz>::Assoc: Default { type Out: Baz<Assoc: Default>; }
diff --git a/src/test/ui/associated-type-bounds/issue-83017.stderr b/src/test/ui/associated-type-bounds/issue-83017.stderr
index 4eb71fd0287e0..af86990ac66aa 100644
--- a/src/test/ui/associated-type-bounds/issue-83017.stderr
+++ b/src/test/ui/associated-type-bounds/issue-83017.stderr
@@ -1,26 +1,32 @@
error[E0277]: the trait bound `for<'a, 'b> <Z as TraitA<'a>>::AsA: TraitB<'a, 'b>` is not satisfied
--> $DIR/issue-83017.rs:36:5
|
+LL | foo::<Z>();
+ | ^^^^^^^^ the trait `for<'a, 'b> TraitB<'a, 'b>` is not implemented for `<Z as TraitA<'a>>::AsA`
+ |
+note: required by a bound in `foo`
+ --> $DIR/issue-83017.rs:31:32
+ |
LL | fn foo<T>()
| --- required by a bound in this
LL | where
LL | for<'a> T: TraitA<'a, AsA: for<'b> TraitB<'a, 'b, AsB: for<'c> TraitC<'a, 'b, 'c>>>,
- | ------------------------------------------------------- required by this bound in `foo`
-...
-LL | foo::<Z>();
- | ^^^^^^^^ the trait `for<'a, 'b> TraitB<'a, 'b>` is not implemented for `<Z as TraitA<'a>>::AsA`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `foo`
error[E0277]: the trait bound `for<'a, 'b, 'c> <<Z as TraitA<'a>>::AsA as TraitB<'a, 'b>>::AsB: TraitC<'a, 'b, 'c>` is not satisfied
--> $DIR/issue-83017.rs:36:5
|
+LL | foo::<Z>();
+ | ^^^^^^^^ the trait `for<'a, 'b, 'c> TraitC<'a, 'b, 'c>` is not implemented for `<<Z as TraitA<'a>>::AsA as TraitB<'a, 'b>>::AsB`
+ |
+note: required by a bound in `foo`
+ --> $DIR/issue-83017.rs:31:60
+ |
LL | fn foo<T>()
| --- required by a bound in this
LL | where
LL | for<'a> T: TraitA<'a, AsA: for<'b> TraitB<'a, 'b, AsB: for<'c> TraitC<'a, 'b, 'c>>>,
- | -------------------------- required by this bound in `foo`
-...
-LL | foo::<Z>();
- | ^^^^^^^^ the trait `for<'a, 'b, 'c> TraitC<'a, 'b, 'c>` is not implemented for `<<Z as TraitA<'a>>::AsA as TraitB<'a, 'b>>::AsB`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `foo`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/associated-types/associated-types-binding-to-type-defined-in-supertrait.stderr b/src/test/ui/associated-types/associated-types-binding-to-type-defined-in-supertrait.stderr
index 029c923aa7d4a..924a09c87f04a 100644
--- a/src/test/ui/associated-types/associated-types-binding-to-type-defined-in-supertrait.stderr
+++ b/src/test/ui/associated-types/associated-types-binding-to-type-defined-in-supertrait.stderr
@@ -1,20 +1,26 @@
error[E0271]: type mismatch resolving `<ModelT as Vehicle>::Color == Blue`
--> $DIR/associated-types-binding-to-type-defined-in-supertrait.rs:31:10
|
-LL | fn blue_car<C:Car<Color=Blue>>(c: C) {
- | ---------- required by this bound in `blue_car`
-...
LL | fn b() { blue_car(ModelT); }
| ^^^^^^^^ expected struct `Blue`, found struct `Black`
+ |
+note: required by a bound in `blue_car`
+ --> $DIR/associated-types-binding-to-type-defined-in-supertrait.rs:27:19
+ |
+LL | fn blue_car<C:Car<Color=Blue>>(c: C) {
+ | ^^^^^^^^^^ required by this bound in `blue_car`
error[E0271]: type mismatch resolving `<ModelU as Vehicle>::Color == Black`
--> $DIR/associated-types-binding-to-type-defined-in-supertrait.rs:32:10
|
-LL | fn black_car<C:Car<Color=Black>>(c: C) {
- | ----------- required by this bound in `black_car`
-...
LL | fn c() { black_car(ModelU); }
| ^^^^^^^^^ expected struct `Black`, found struct `Blue`
+ |
+note: required by a bound in `black_car`
+ --> $DIR/associated-types-binding-to-type-defined-in-supertrait.rs:24:20
+ |
+LL | fn black_car<C:Car<Color=Black>>(c: C) {
+ | ^^^^^^^^^^^ required by this bound in `black_car`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/associated-types/associated-types-eq-3.stderr b/src/test/ui/associated-types/associated-types-eq-3.stderr
index 5992b0d6bf143..5f227a3b480f1 100644
--- a/src/test/ui/associated-types/associated-types-eq-3.stderr
+++ b/src/test/ui/associated-types/associated-types-eq-3.stderr
@@ -16,11 +16,14 @@ LL | fn foo2<I: Foo<A = Bar>>(x: I) {
error[E0271]: type mismatch resolving `<isize as Foo>::A == Bar`
--> $DIR/associated-types-eq-3.rs:38:5
|
-LL | fn foo1<I: Foo<A=Bar>>(x: I) {
- | ----- required by this bound in `foo1`
-...
LL | foo1(a);
| ^^^^ expected struct `Bar`, found `usize`
+ |
+note: required by a bound in `foo1`
+ --> $DIR/associated-types-eq-3.rs:18:16
+ |
+LL | fn foo1<I: Foo<A=Bar>>(x: I) {
+ | ^^^^^ required by this bound in `foo1`
error[E0271]: type mismatch resolving `<isize as Foo>::A == Bar`
--> $DIR/associated-types-eq-3.rs:41:9
diff --git a/src/test/ui/associated-types/associated-types-eq-hr.nll.stderr b/src/test/ui/associated-types/associated-types-eq-hr.nll.stderr
index 25e9f726ba53a..1da82aba5bc35 100644
--- a/src/test/ui/associated-types/associated-types-eq-hr.nll.stderr
+++ b/src/test/ui/associated-types/associated-types-eq-hr.nll.stderr
@@ -1,32 +1,36 @@
error[E0271]: type mismatch resolving `for<'x> <UintStruct as TheTrait<&'x isize>>::A == &'x isize`
--> $DIR/associated-types-eq-hr.rs:87:5
|
-LL | fn foo<T>()
- | --- required by a bound in this
-LL | where
-LL | T: for<'x> TheTrait<&'x isize, A = &'x isize>,
- | ------------- required by this bound in `foo`
-...
LL | foo::<UintStruct>();
| ^^^^^^^^^^^^^^^^^ expected `isize`, found `usize`
|
= note: expected reference `&isize`
found reference `&usize`
+note: required by a bound in `foo`
+ --> $DIR/associated-types-eq-hr.rs:45:36
+ |
+LL | fn foo<T>()
+ | --- required by a bound in this
+LL | where
+LL | T: for<'x> TheTrait<&'x isize, A = &'x isize>,
+ | ^^^^^^^^^^^^^ required by this bound in `foo`
error[E0271]: type mismatch resolving `for<'x> <IntStruct as TheTrait<&'x isize>>::A == &'x usize`
--> $DIR/associated-types-eq-hr.rs:91:5
|
-LL | fn bar<T>()
- | --- required by a bound in this
-LL | where
-LL | T: for<'x> TheTrait<&'x isize, A = &'x usize>,
- | ------------- required by this bound in `bar`
-...
LL | bar::<IntStruct>();
| ^^^^^^^^^^^^^^^^ expected `usize`, found `isize`
|
= note: expected reference `&usize`
found reference `&isize`
+note: required by a bound in `bar`
+ --> $DIR/associated-types-eq-hr.rs:52:36
+ |
+LL | fn bar<T>()
+ | --- required by a bound in this
+LL | where
+LL | T: for<'x> TheTrait<&'x isize, A = &'x usize>,
+ | ^^^^^^^^^^^^^ required by this bound in `bar`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/associated-types/associated-types-eq-hr.stderr b/src/test/ui/associated-types/associated-types-eq-hr.stderr
index 6897b31fe4685..e34b4f1c772ea 100644
--- a/src/test/ui/associated-types/associated-types-eq-hr.stderr
+++ b/src/test/ui/associated-types/associated-types-eq-hr.stderr
@@ -1,32 +1,36 @@
error[E0271]: type mismatch resolving `for<'x> <UintStruct as TheTrait<&'x isize>>::A == &'x isize`
--> $DIR/associated-types-eq-hr.rs:87:5
|
-LL | fn foo<T>()
- | --- required by a bound in this
-LL | where
-LL | T: for<'x> TheTrait<&'x isize, A = &'x isize>,
- | ------------- required by this bound in `foo`
-...
LL | foo::<UintStruct>();
| ^^^^^^^^^^^^^^^^^ expected `isize`, found `usize`
|
= note: expected reference `&isize`
found reference `&usize`
+note: required by a bound in `foo`
+ --> $DIR/associated-types-eq-hr.rs:45:36
+ |
+LL | fn foo<T>()
+ | --- required by a bound in this
+LL | where
+LL | T: for<'x> TheTrait<&'x isize, A = &'x isize>,
+ | ^^^^^^^^^^^^^ required by this bound in `foo`
error[E0271]: type mismatch resolving `for<'x> <IntStruct as TheTrait<&'x isize>>::A == &'x usize`
--> $DIR/associated-types-eq-hr.rs:91:5
|
-LL | fn bar<T>()
- | --- required by a bound in this
-LL | where
-LL | T: for<'x> TheTrait<&'x isize, A = &'x usize>,
- | ------------- required by this bound in `bar`
-...
LL | bar::<IntStruct>();
| ^^^^^^^^^^^^^^^^ expected `usize`, found `isize`
|
= note: expected reference `&usize`
found reference `&isize`
+note: required by a bound in `bar`
+ --> $DIR/associated-types-eq-hr.rs:52:36
+ |
+LL | fn bar<T>()
+ | --- required by a bound in this
+LL | where
+LL | T: for<'x> TheTrait<&'x isize, A = &'x usize>,
+ | ^^^^^^^^^^^^^ required by this bound in `bar`
error: implementation of `TheTrait` is not general enough
--> $DIR/associated-types-eq-hr.rs:96:5
diff --git a/src/test/ui/associated-types/associated-types-for-unimpl-trait.stderr b/src/test/ui/associated-types/associated-types-for-unimpl-trait.stderr
index f2195ca694bd7..92c963a9ef9f2 100644
--- a/src/test/ui/associated-types/associated-types-for-unimpl-trait.stderr
+++ b/src/test/ui/associated-types/associated-types-for-unimpl-trait.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `Self: Get` is not satisfied
--> $DIR/associated-types-for-unimpl-trait.rs:10:40
|
-LL | trait Get {
- | --------- required by this bound in `Get`
-...
LL | fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) {}
| ^^^^^^^^^^^^^^^^^^^^ the trait `Get` is not implemented for `Self`
|
+note: required by a bound in `Get`
+ --> $DIR/associated-types-for-unimpl-trait.rs:4:1
+ |
+LL | trait Get {
+ | ^^^^^^^^^ required by this bound in `Get`
help: consider further restricting `Self`
|
LL | fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) where Self: Get {}
diff --git a/src/test/ui/associated-types/associated-types-issue-20346.stderr b/src/test/ui/associated-types/associated-types-issue-20346.stderr
index 7193d4163b9ce..1c24ce05ef41e 100644
--- a/src/test/ui/associated-types/associated-types-issue-20346.stderr
+++ b/src/test/ui/associated-types/associated-types-issue-20346.stderr
@@ -1,9 +1,6 @@
error[E0271]: type mismatch resolving `<Adapter<I> as Iterator>::Item == Option<T>`
--> $DIR/associated-types-issue-20346.rs:34:5
|
-LL | fn is_iterator_of<A, I: Iterator<Item=A>>(_: &I) {}
- | ------ required by this bound in `is_iterator_of`
-...
LL | fn test_adapter<T, I: Iterator<Item=Option<T>>>(it: I) {
| - this type parameter
...
@@ -12,6 +9,11 @@ LL | is_iterator_of::<Option<T>, _>(&adapter);
|
= note: expected enum `Option<T>`
found type `T`
+note: required by a bound in `is_iterator_of`
+ --> $DIR/associated-types-issue-20346.rs:15:34
+ |
+LL | fn is_iterator_of<A, I: Iterator<Item=A>>(_: &I) {}
+ | ^^^^^^ required by this bound in `is_iterator_of`
error: aborting due to previous error
diff --git a/src/test/ui/associated-types/associated-types-multiple-types-one-trait.stderr b/src/test/ui/associated-types/associated-types-multiple-types-one-trait.stderr
index cfc75652a61b4..922cf88a04999 100644
--- a/src/test/ui/associated-types/associated-types-multiple-types-one-trait.stderr
+++ b/src/test/ui/associated-types/associated-types-multiple-types-one-trait.stderr
@@ -3,12 +3,14 @@ error[E0271]: type mismatch resolving `<T as Foo>::Y == i32`
|
LL | want_y(t);
| ^^^^^^ expected `i32`, found associated type
-...
-LL | fn want_y<T:Foo<Y=i32>>(t: &T) { }
- | ----- required by this bound in `want_y`
|
= note: expected type `i32`
found associated type `<T as Foo>::Y`
+note: required by a bound in `want_y`
+ --> $DIR/associated-types-multiple-types-one-trait.rs:44:17
+ |
+LL | fn want_y<T:Foo<Y=i32>>(t: &T) { }
+ | ^^^^^ required by this bound in `want_y`
help: consider constraining the associated type `<T as Foo>::Y` to `i32`
|
LL | fn have_x_want_y<T:Foo<X=u32, Y = i32>>(t: &T)
@@ -19,12 +21,14 @@ error[E0271]: type mismatch resolving `<T as Foo>::X == u32`
|
LL | want_x(t);
| ^^^^^^ expected `u32`, found associated type
-...
-LL | fn want_x<T:Foo<X=u32>>(t: &T) { }
- | ----- required by this bound in `want_x`
|
= note: expected type `u32`
found associated type `<T as Foo>::X`
+note: required by a bound in `want_x`
+ --> $DIR/associated-types-multiple-types-one-trait.rs:42:17
+ |
+LL | fn want_x<T:Foo<X=u32>>(t: &T) { }
+ | ^^^^^ required by this bound in `want_x`
help: consider constraining the associated type `<T as Foo>::X` to `u32`
|
LL | fn have_y_want_x<T:Foo<Y=i32, X = u32>>(t: &T)
diff --git a/src/test/ui/associated-types/associated-types-no-suitable-bound.stderr b/src/test/ui/associated-types/associated-types-no-suitable-bound.stderr
index 75f0354b81a63..509d548c69df0 100644
--- a/src/test/ui/associated-types/associated-types-no-suitable-bound.stderr
+++ b/src/test/ui/associated-types/associated-types-no-suitable-bound.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `T: Get` is not satisfied
--> $DIR/associated-types-no-suitable-bound.rs:11:21
|
-LL | trait Get {
- | --------- required by this bound in `Get`
-...
LL | fn uhoh<T>(foo: <T as Get>::Value) {}
| ^^^^^^^^^^^^^^^^^ the trait `Get` is not implemented for `T`
|
+note: required by a bound in `Get`
+ --> $DIR/associated-types-no-suitable-bound.rs:1:1
+ |
+LL | trait Get {
+ | ^^^^^^^^^ required by this bound in `Get`
help: consider restricting type parameter `T`
|
LL | fn uhoh<T: Get>(foo: <T as Get>::Value) {}
diff --git a/src/test/ui/associated-types/associated-types-no-suitable-supertrait-2.stderr b/src/test/ui/associated-types/associated-types-no-suitable-supertrait-2.stderr
index a432805ced8ae..1cb9ac8fdefc1 100644
--- a/src/test/ui/associated-types/associated-types-no-suitable-supertrait-2.stderr
+++ b/src/test/ui/associated-types/associated-types-no-suitable-supertrait-2.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `Self: Get` is not satisfied
--> $DIR/associated-types-no-suitable-supertrait-2.rs:17:40
|
-LL | trait Get {
- | --------- required by this bound in `Get`
-...
LL | fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) {}
| ^^^^^^^^^^^^^^^^^^^^ the trait `Get` is not implemented for `Self`
|
+note: required by a bound in `Get`
+ --> $DIR/associated-types-no-suitable-supertrait-2.rs:12:1
+ |
+LL | trait Get {
+ | ^^^^^^^^^ required by this bound in `Get`
help: consider further restricting `Self`
|
LL | fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) where Self: Get {}
diff --git a/src/test/ui/associated-types/associated-types-no-suitable-supertrait.stderr b/src/test/ui/associated-types/associated-types-no-suitable-supertrait.stderr
index 10b2ab5e9741c..e3185fbe9392e 100644
--- a/src/test/ui/associated-types/associated-types-no-suitable-supertrait.stderr
+++ b/src/test/ui/associated-types/associated-types-no-suitable-supertrait.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `Self: Get` is not satisfied
--> $DIR/associated-types-no-suitable-supertrait.rs:17:40
|
-LL | trait Get {
- | --------- required by this bound in `Get`
-...
LL | fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) {}
| ^^^^^^^^^^^^^^^^^^^^ the trait `Get` is not implemented for `Self`
|
+note: required by a bound in `Get`
+ --> $DIR/associated-types-no-suitable-supertrait.rs:12:1
+ |
+LL | trait Get {
+ | ^^^^^^^^^ required by this bound in `Get`
help: consider further restricting `Self`
|
LL | fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) where Self: Get {}
@@ -15,11 +17,14 @@ LL | fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) where Self: Ge
error[E0277]: the trait bound `(T, U): Get` is not satisfied
--> $DIR/associated-types-no-suitable-supertrait.rs:22:40
|
-LL | trait Get {
- | --------- required by this bound in `Get`
-...
LL | fn uhoh<U:Get>(&self, foo: U, bar: <(T, U) as Get>::Value) {}
| ^^^^^^^^^^^^^^^^^^^^^^ the trait `Get` is not implemented for `(T, U)`
+ |
+note: required by a bound in `Get`
+ --> $DIR/associated-types-no-suitable-supertrait.rs:12:1
+ |
+LL | trait Get {
+ | ^^^^^^^^^ required by this bound in `Get`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/associated-types/associated-types-overridden-binding.stderr b/src/test/ui/associated-types/associated-types-overridden-binding.stderr
index 87612679af6b0..dc087e4185fb6 100644
--- a/src/test/ui/associated-types/associated-types-overridden-binding.stderr
+++ b/src/test/ui/associated-types/associated-types-overridden-binding.stderr
@@ -1,18 +1,26 @@
error[E0284]: type annotations needed: cannot satisfy `<Self as Iterator>::Item == i32`
--> $DIR/associated-types-overridden-binding.rs:4:12
|
-LL | trait Foo: Iterator<Item = i32> {}
- | ---------- required by this bound in `Foo`
LL | trait Bar: Foo<Item = u32> {}
| ^^^^^^^^^^^^^^^ cannot satisfy `<Self as Iterator>::Item == i32`
+ |
+note: required by a bound in `Foo`
+ --> $DIR/associated-types-overridden-binding.rs:3:21
+ |
+LL | trait Foo: Iterator<Item = i32> {}
+ | ^^^^^^^^^^ required by this bound in `Foo`
error[E0284]: type annotations needed: cannot satisfy `<Self as Iterator>::Item == i32`
--> $DIR/associated-types-overridden-binding.rs:7:21
|
-LL | trait I32Iterator = Iterator<Item = i32>;
- | ---------- required by this bound in `I32Iterator`
LL | trait U32Iterator = I32Iterator<Item = u32>;
| ^^^^^^^^^^^^^^^^^^^^^^^ cannot satisfy `<Self as Iterator>::Item == i32`
+ |
+note: required by a bound in `I32Iterator`
+ --> $DIR/associated-types-overridden-binding.rs:6:30
+ |
+LL | trait I32Iterator = Iterator<Item = i32>;
+ | ^^^^^^^^^^ required by this bound in `I32Iterator`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/associated-types/associated-types-path-2.stderr b/src/test/ui/associated-types/associated-types-path-2.stderr
index 77b638b703b4c..c4ea4ae6bc0cb 100644
--- a/src/test/ui/associated-types/associated-types-path-2.stderr
+++ b/src/test/ui/associated-types/associated-types-path-2.stderr
@@ -12,11 +12,14 @@ LL | f1(2i32, 4u32);
error[E0277]: the trait bound `u32: Foo` is not satisfied
--> $DIR/associated-types-path-2.rs:29:5
|
-LL | pub fn f1<T: Foo>(a: T, x: T::A) {}
- | --- required by this bound in `f1`
-...
LL | f1(2u32, 4u32);
| ^^ the trait `Foo` is not implemented for `u32`
+ |
+note: required by a bound in `f1`
+ --> $DIR/associated-types-path-2.rs:13:14
+ |
+LL | pub fn f1<T: Foo>(a: T, x: T::A) {}
+ | ^^^ required by this bound in `f1`
error[E0277]: the trait bound `u32: Foo` is not satisfied
--> $DIR/associated-types-path-2.rs:29:5
@@ -27,11 +30,14 @@ LL | f1(2u32, 4u32);
error[E0277]: the trait bound `u32: Foo` is not satisfied
--> $DIR/associated-types-path-2.rs:35:5
|
-LL | pub fn f1<T: Foo>(a: T, x: T::A) {}
- | --- required by this bound in `f1`
-...
LL | f1(2u32, 4i32);
| ^^ the trait `Foo` is not implemented for `u32`
+ |
+note: required by a bound in `f1`
+ --> $DIR/associated-types-path-2.rs:13:14
+ |
+LL | pub fn f1<T: Foo>(a: T, x: T::A) {}
+ | ^^^ required by this bound in `f1`
error[E0277]: the trait bound `u32: Foo` is not satisfied
--> $DIR/associated-types-path-2.rs:35:5
diff --git a/src/test/ui/associated-types/associated-types-projection-to-unrelated-trait-in-method-without-default.stderr b/src/test/ui/associated-types/associated-types-projection-to-unrelated-trait-in-method-without-default.stderr
index 7bbf060fdb686..09ec0e116175d 100644
--- a/src/test/ui/associated-types/associated-types-projection-to-unrelated-trait-in-method-without-default.stderr
+++ b/src/test/ui/associated-types/associated-types-projection-to-unrelated-trait-in-method-without-default.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `Self: Get` is not satisfied
--> $DIR/associated-types-projection-to-unrelated-trait-in-method-without-default.rs:10:40
|
-LL | trait Get {
- | --------- required by this bound in `Get`
-...
LL | fn okay<U:Get>(&self, foo: U, bar: <Self as Get>::Value);
| ^^^^^^^^^^^^^^^^^^^^ the trait `Get` is not implemented for `Self`
|
+note: required by a bound in `Get`
+ --> $DIR/associated-types-projection-to-unrelated-trait-in-method-without-default.rs:5:1
+ |
+LL | trait Get {
+ | ^^^^^^^^^ required by this bound in `Get`
help: consider further restricting `Self`
|
LL | fn okay<U:Get>(&self, foo: U, bar: <Self as Get>::Value) where Self: Get;
diff --git a/src/test/ui/associated-types/defaults-suitability.stderr b/src/test/ui/associated-types/defaults-suitability.stderr
index 7023516e37f37..8a8211ff858b9 100644
--- a/src/test/ui/associated-types/defaults-suitability.stderr
+++ b/src/test/ui/associated-types/defaults-suitability.stderr
@@ -2,33 +2,41 @@ error[E0277]: the trait bound `NotClone: Clone` is not satisfied
--> $DIR/defaults-suitability.rs:13:5
|
LL | type Ty: Clone = NotClone;
- | ^^^^^^^^^-----^^^^^^^^^^^^
- | | |
- | | required by this bound in `Tr::Ty`
- | the trait `Clone` is not implemented for `NotClone`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `NotClone`
+ |
+note: required by a bound in `Tr::Ty`
+ --> $DIR/defaults-suitability.rs:13:14
+ |
+LL | type Ty: Clone = NotClone;
+ | ^^^^^ required by this bound in `Tr::Ty`
error[E0277]: the trait bound `NotClone: Clone` is not satisfied
--> $DIR/defaults-suitability.rs:22:5
|
+LL | type Ty = NotClone;
+ | ^^^^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `NotClone`
+ |
+note: required by a bound in `Tr2::Ty`
+ --> $DIR/defaults-suitability.rs:20:15
+ |
LL | Self::Ty: Clone,
- | ----- required by this bound in `Tr2::Ty`
+ | ^^^^^ required by this bound in `Tr2::Ty`
LL | {
LL | type Ty = NotClone;
- | ^^^^^--^^^^^^^^^^^^
- | | |
- | | required by a bound in this
- | the trait `Clone` is not implemented for `NotClone`
+ | -- required by a bound in this
error[E0277]: the trait bound `T: Clone` is not satisfied
--> $DIR/defaults-suitability.rs:28:5
|
LL | type Bar: Clone = Vec<T>;
- | ^^^^^^^^^^-----^^^^^^^^^^
- | | |
- | | required by this bound in `Foo::Bar`
- | the trait `Clone` is not implemented for `T`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `T`
|
= note: required because of the requirements on the impl of `Clone` for `Vec<T>`
+note: required by a bound in `Foo::Bar`
+ --> $DIR/defaults-suitability.rs:28:15
+ |
+LL | type Bar: Clone = Vec<T>;
+ | ^^^^^ required by this bound in `Foo::Bar`
help: consider restricting type parameter `T`
|
LL | trait Foo<T: std::clone::Clone> {
@@ -38,33 +46,41 @@ error[E0277]: the trait bound `(): Foo<Self>` is not satisfied
--> $DIR/defaults-suitability.rs:34:5
|
LL | type Assoc: Foo<Self> = ();
- | ^^^^^^^^^^^^---------^^^^^^
- | | |
- | | required by this bound in `Bar::Assoc`
- | the trait `Foo<Self>` is not implemented for `()`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Foo<Self>` is not implemented for `()`
+ |
+note: required by a bound in `Bar::Assoc`
+ --> $DIR/defaults-suitability.rs:34:17
+ |
+LL | type Assoc: Foo<Self> = ();
+ | ^^^^^^^^^ required by this bound in `Bar::Assoc`
error[E0277]: the trait bound `NotClone: IsU8<NotClone>` is not satisfied
--> $DIR/defaults-suitability.rs:56:5
|
+LL | type Assoc = NotClone;
+ | ^^^^^^^^^^^^^^^^^^^^^^ the trait `IsU8<NotClone>` is not implemented for `NotClone`
+ |
+note: required by a bound in `D::Assoc`
+ --> $DIR/defaults-suitability.rs:53:18
+ |
LL | Self::Assoc: IsU8<Self::Assoc>,
- | ----------------- required by this bound in `D::Assoc`
+ | ^^^^^^^^^^^^^^^^^ required by this bound in `D::Assoc`
...
LL | type Assoc = NotClone;
- | ^^^^^-----^^^^^^^^^^^^
- | | |
- | | required by a bound in this
- | the trait `IsU8<NotClone>` is not implemented for `NotClone`
+ | ----- required by a bound in this
error[E0277]: the trait bound `<Self as Foo2<T>>::Baz: Clone` is not satisfied
--> $DIR/defaults-suitability.rs:65:5
|
LL | type Bar: Clone = Vec<Self::Baz>;
- | ^^^^^^^^^^-----^^^^^^^^^^^^^^^^^^
- | | |
- | | required by this bound in `Foo2::Bar`
- | the trait `Clone` is not implemented for `<Self as Foo2<T>>::Baz`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `<Self as Foo2<T>>::Baz`
|
= note: required because of the requirements on the impl of `Clone` for `Vec<<Self as Foo2<T>>::Baz>`
+note: required by a bound in `Foo2::Bar`
+ --> $DIR/defaults-suitability.rs:65:15
+ |
+LL | type Bar: Clone = Vec<Self::Baz>;
+ | ^^^^^ required by this bound in `Foo2::Bar`
help: consider further restricting the associated type
|
LL | trait Foo2<T> where <Self as Foo2<T>>::Baz: Clone {
@@ -74,12 +90,14 @@ error[E0277]: the trait bound `<Self as Foo25<T>>::Baz: Clone` is not satisfied
--> $DIR/defaults-suitability.rs:74:5
|
LL | type Bar: Clone = Vec<Self::Baz>;
- | ^^^^^^^^^^-----^^^^^^^^^^^^^^^^^^
- | | |
- | | required by this bound in `Foo25::Bar`
- | the trait `Clone` is not implemented for `<Self as Foo25<T>>::Baz`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `<Self as Foo25<T>>::Baz`
|
= note: required because of the requirements on the impl of `Clone` for `Vec<<Self as Foo25<T>>::Baz>`
+note: required by a bound in `Foo25::Bar`
+ --> $DIR/defaults-suitability.rs:74:15
+ |
+LL | type Bar: Clone = Vec<Self::Baz>;
+ | ^^^^^ required by this bound in `Foo25::Bar`
help: consider further restricting the associated type
|
LL | trait Foo25<T: Clone> where <Self as Foo25<T>>::Baz: Clone {
@@ -88,15 +106,17 @@ LL | trait Foo25<T: Clone> where <Self as Foo25<T>>::Baz: Clone {
error[E0277]: the trait bound `T: Clone` is not satisfied
--> $DIR/defaults-suitability.rs:87:5
|
+LL | type Baz = T;
+ | ^^^^^^^^^^^^^ the trait `Clone` is not implemented for `T`
+ |
+note: required by a bound in `Foo3::Baz`
+ --> $DIR/defaults-suitability.rs:84:16
+ |
LL | Self::Baz: Clone,
- | ----- required by this bound in `Foo3::Baz`
+ | ^^^^^ required by this bound in `Foo3::Baz`
...
LL | type Baz = T;
- | ^^^^^---^^^^^
- | | |
- | | required by a bound in this
- | the trait `Clone` is not implemented for `T`
- |
+ | --- required by a bound in this
help: consider further restricting type parameter `T`
|
LL | Self::Baz: Clone, T: std::clone::Clone
diff --git a/src/test/ui/associated-types/defaults-unsound-62211-1.stderr b/src/test/ui/associated-types/defaults-unsound-62211-1.stderr
index 3449272238cae..b21cae311a042 100644
--- a/src/test/ui/associated-types/defaults-unsound-62211-1.stderr
+++ b/src/test/ui/associated-types/defaults-unsound-62211-1.stderr
@@ -2,12 +2,14 @@ error[E0277]: `Self` doesn't implement `std::fmt::Display`
--> $DIR/defaults-unsound-62211-1.rs:20:5
|
LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self;
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-------^^^^^^^^
- | | |
- | | required by this bound in `UncheckedCopy::Output`
- | `Self` cannot be formatted with the default formatter
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `Self` cannot be formatted with the default formatter
|
= note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
+note: required by a bound in `UncheckedCopy::Output`
+ --> $DIR/defaults-unsound-62211-1.rs:20:86
+ |
+LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self;
+ | ^^^^^^^ required by this bound in `UncheckedCopy::Output`
help: consider further restricting `Self`
|
LL | trait UncheckedCopy: Sized + std::fmt::Display {
@@ -17,11 +19,13 @@ error[E0277]: cannot add-assign `&'static str` to `Self`
--> $DIR/defaults-unsound-62211-1.rs:20:5
|
LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self;
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-----------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- | | |
- | | required by this bound in `UncheckedCopy::Output`
- | no implementation for `Self += &'static str`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `Self += &'static str`
|
+note: required by a bound in `UncheckedCopy::Output`
+ --> $DIR/defaults-unsound-62211-1.rs:20:47
+ |
+LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self;
+ | ^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `UncheckedCopy::Output`
help: consider further restricting `Self`
|
LL | trait UncheckedCopy: Sized + AddAssign<&'static str> {
@@ -31,11 +35,13 @@ error[E0277]: the trait bound `Self: Deref` is not satisfied
--> $DIR/defaults-unsound-62211-1.rs:20:5
|
LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self;
- | ^^^^^^^^^^^^^^^^^^^^-------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- | | |
- | | required by this bound in `UncheckedCopy::Output`
- | the trait `Deref` is not implemented for `Self`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Deref` is not implemented for `Self`
|
+note: required by a bound in `UncheckedCopy::Output`
+ --> $DIR/defaults-unsound-62211-1.rs:20:25
+ |
+LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self;
+ | ^^^^^^^^^^^^^^^^^^^ required by this bound in `UncheckedCopy::Output`
help: consider further restricting `Self`
|
LL | trait UncheckedCopy: Sized + Deref {
@@ -45,11 +51,13 @@ error[E0277]: the trait bound `Self: Copy` is not satisfied
--> $DIR/defaults-unsound-62211-1.rs:20:5
|
LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self;
- | ^^^^^^^^^^^^^----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- | | |
- | | required by this bound in `UncheckedCopy::Output`
- | the trait `Copy` is not implemented for `Self`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `Self`
|
+note: required by a bound in `UncheckedCopy::Output`
+ --> $DIR/defaults-unsound-62211-1.rs:20:18
+ |
+LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self;
+ | ^^^^ required by this bound in `UncheckedCopy::Output`
help: consider further restricting `Self`
|
LL | trait UncheckedCopy: Sized + Copy {
diff --git a/src/test/ui/associated-types/defaults-unsound-62211-2.stderr b/src/test/ui/associated-types/defaults-unsound-62211-2.stderr
index 3b86c534d58e0..2eebfb0a48796 100644
--- a/src/test/ui/associated-types/defaults-unsound-62211-2.stderr
+++ b/src/test/ui/associated-types/defaults-unsound-62211-2.stderr
@@ -2,12 +2,14 @@ error[E0277]: `Self` doesn't implement `std::fmt::Display`
--> $DIR/defaults-unsound-62211-2.rs:20:5
|
LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self;
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-------^^^^^^^^
- | | |
- | | required by this bound in `UncheckedCopy::Output`
- | `Self` cannot be formatted with the default formatter
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `Self` cannot be formatted with the default formatter
|
= note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
+note: required by a bound in `UncheckedCopy::Output`
+ --> $DIR/defaults-unsound-62211-2.rs:20:86
+ |
+LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self;
+ | ^^^^^^^ required by this bound in `UncheckedCopy::Output`
help: consider further restricting `Self`
|
LL | trait UncheckedCopy: Sized + std::fmt::Display {
@@ -17,11 +19,13 @@ error[E0277]: cannot add-assign `&'static str` to `Self`
--> $DIR/defaults-unsound-62211-2.rs:20:5
|
LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self;
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-----------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- | | |
- | | required by this bound in `UncheckedCopy::Output`
- | no implementation for `Self += &'static str`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `Self += &'static str`
|
+note: required by a bound in `UncheckedCopy::Output`
+ --> $DIR/defaults-unsound-62211-2.rs:20:47
+ |
+LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self;
+ | ^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `UncheckedCopy::Output`
help: consider further restricting `Self`
|
LL | trait UncheckedCopy: Sized + AddAssign<&'static str> {
@@ -31,11 +35,13 @@ error[E0277]: the trait bound `Self: Deref` is not satisfied
--> $DIR/defaults-unsound-62211-2.rs:20:5
|
LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self;
- | ^^^^^^^^^^^^^^^^^^^^-------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- | | |
- | | required by this bound in `UncheckedCopy::Output`
- | the trait `Deref` is not implemented for `Self`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Deref` is not implemented for `Self`
|
+note: required by a bound in `UncheckedCopy::Output`
+ --> $DIR/defaults-unsound-62211-2.rs:20:25
+ |
+LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self;
+ | ^^^^^^^^^^^^^^^^^^^ required by this bound in `UncheckedCopy::Output`
help: consider further restricting `Self`
|
LL | trait UncheckedCopy: Sized + Deref {
@@ -45,11 +51,13 @@ error[E0277]: the trait bound `Self: Copy` is not satisfied
--> $DIR/defaults-unsound-62211-2.rs:20:5
|
LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self;
- | ^^^^^^^^^^^^^----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- | | |
- | | required by this bound in `UncheckedCopy::Output`
- | the trait `Copy` is not implemented for `Self`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `Self`
|
+note: required by a bound in `UncheckedCopy::Output`
+ --> $DIR/defaults-unsound-62211-2.rs:20:18
+ |
+LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self;
+ | ^^^^ required by this bound in `UncheckedCopy::Output`
help: consider further restricting `Self`
|
LL | trait UncheckedCopy: Sized + Copy {
diff --git a/src/test/ui/associated-types/defaults-wf.stderr b/src/test/ui/associated-types/defaults-wf.stderr
index e837150c05d8b..8455f88f18e7a 100644
--- a/src/test/ui/associated-types/defaults-wf.stderr
+++ b/src/test/ui/associated-types/defaults-wf.stderr
@@ -4,12 +4,12 @@ error[E0277]: the size for values of type `[u8]` cannot be known at compilation
LL | type Ty = Vec<[u8]>;
| ^^^^^^^^^ doesn't have a size known at compile-time
|
- ::: $SRC_DIR/alloc/src/vec/mod.rs:LL:COL
+ = help: the trait `Sized` is not implemented for `[u8]`
+note: required by a bound in `Vec`
+ --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL
|
LL | pub struct Vec<T, #[unstable(feature = "allocator_api", issue = "32838")] A: Allocator = Global> {
- | - required by this bound in `Vec`
- |
- = help: the trait `Sized` is not implemented for `[u8]`
+ | ^ required by this bound in `Vec`
error: aborting due to previous error
diff --git a/src/test/ui/associated-types/hr-associated-type-bound-1.stderr b/src/test/ui/associated-types/hr-associated-type-bound-1.stderr
index 042223f3e9587..0bcc9be5c43ce 100644
--- a/src/test/ui/associated-types/hr-associated-type-bound-1.stderr
+++ b/src/test/ui/associated-types/hr-associated-type-bound-1.stderr
@@ -1,17 +1,19 @@
error[E0277]: the trait bound `for<'b> <i32 as X<'b>>::U: Clone` is not satisfied
--> $DIR/hr-associated-type-bound-1.rs:12:14
|
-LL | trait X<'a>
- | - required by a bound in this
-LL | where
-LL | for<'b> <Self as X<'b>>::U: Clone,
- | ----- required by this bound in `X`
-...
LL | type U = str;
| ^^^ the trait `for<'b> Clone` is not implemented for `<i32 as X<'b>>::U`
|
= help: the following implementations were found:
<&T as Clone>
+note: required by a bound in `X`
+ --> $DIR/hr-associated-type-bound-1.rs:3:33
+ |
+LL | trait X<'a>
+ | - required by a bound in this
+LL | where
+LL | for<'b> <Self as X<'b>>::U: Clone,
+ | ^^^^^ required by this bound in `X`
error: aborting due to previous error
diff --git a/src/test/ui/associated-types/hr-associated-type-bound-object.stderr b/src/test/ui/associated-types/hr-associated-type-bound-object.stderr
index 848924bf58eff..354f5ae459729 100644
--- a/src/test/ui/associated-types/hr-associated-type-bound-object.stderr
+++ b/src/test/ui/associated-types/hr-associated-type-bound-object.stderr
@@ -1,17 +1,19 @@
error[E0277]: the trait bound `for<'b> <T as X<'b>>::U: Clone` is not satisfied
--> $DIR/hr-associated-type-bound-object.rs:7:13
|
-LL | trait X<'a>
- | - required by a bound in this
-LL | where
-LL | for<'b> <Self as X<'b>>::U: Clone,
- | ----- required by this bound in `X`
-...
LL | fn f<'a, T: X<'a> + ?Sized>(x: &<T as X<'a>>::U) {
| ^^^^^ the trait `for<'b> Clone` is not implemented for `<T as X<'b>>::U`
|
= help: the following implementations were found:
<&T as Clone>
+note: required by a bound in `X`
+ --> $DIR/hr-associated-type-bound-object.rs:3:33
+ |
+LL | trait X<'a>
+ | - required by a bound in this
+LL | where
+LL | for<'b> <Self as X<'b>>::U: Clone,
+ | ^^^^^ required by this bound in `X`
error: aborting due to previous error
diff --git a/src/test/ui/associated-types/hr-associated-type-bound-param-1.stderr b/src/test/ui/associated-types/hr-associated-type-bound-param-1.stderr
index d35c127926431..e16931ee09fc6 100644
--- a/src/test/ui/associated-types/hr-associated-type-bound-param-1.stderr
+++ b/src/test/ui/associated-types/hr-associated-type-bound-param-1.stderr
@@ -1,17 +1,19 @@
error[E0277]: the trait bound `for<'b> <u8 as Y<'b, u8>>::V: Clone` is not satisfied
--> $DIR/hr-associated-type-bound-param-1.rs:14:14
|
-LL | trait Y<'a, T: ?Sized>
- | - required by a bound in this
-...
-LL | for<'b> <Self as Y<'b, T>>::V: Clone,
- | ----- required by this bound in `Y`
-...
LL | type V = str;
| ^^^ the trait `for<'b> Clone` is not implemented for `<u8 as Y<'b, u8>>::V`
|
= help: the following implementations were found:
<&T as Clone>
+note: required by a bound in `Y`
+ --> $DIR/hr-associated-type-bound-param-1.rs:4:36
+ |
+LL | trait Y<'a, T: ?Sized>
+ | - required by a bound in this
+...
+LL | for<'b> <Self as Y<'b, T>>::V: Clone,
+ | ^^^^^ required by this bound in `Y`
error: aborting due to previous error
diff --git a/src/test/ui/associated-types/hr-associated-type-bound-param-2.stderr b/src/test/ui/associated-types/hr-associated-type-bound-param-2.stderr
index 853705dae09f2..0c9f2a3978cd1 100644
--- a/src/test/ui/associated-types/hr-associated-type-bound-param-2.stderr
+++ b/src/test/ui/associated-types/hr-associated-type-bound-param-2.stderr
@@ -1,47 +1,53 @@
error[E0277]: the trait bound `for<'b> <u16 as Z<'b, u16>>::W: Clone` is not satisfied
--> $DIR/hr-associated-type-bound-param-2.rs:4:8
|
-LL | trait Z<'a, T: ?Sized>
- | - required by a bound in this
-LL | where
LL | T: Z<'a, u16>,
| ^^^^^^^^^^ the trait `for<'b> Clone` is not implemented for `<u16 as Z<'b, u16>>::W`
-...
-LL | for<'b> <T as Z<'b, u16>>::W: Clone,
- | ----- required by this bound in `Z`
|
= help: the following implementations were found:
<&T as Clone>
+note: required by a bound in `Z`
+ --> $DIR/hr-associated-type-bound-param-2.rs:7:35
+ |
+LL | trait Z<'a, T: ?Sized>
+ | - required by a bound in this
+...
+LL | for<'b> <T as Z<'b, u16>>::W: Clone,
+ | ^^^^^ required by this bound in `Z`
error[E0277]: the trait bound `for<'b> <u16 as Z<'b, u16>>::W: Clone` is not satisfied
--> $DIR/hr-associated-type-bound-param-2.rs:4:8
|
-LL | trait Z<'a, T: ?Sized>
- | - required by a bound in this
-LL | where
LL | T: Z<'a, u16>,
| ^^^^^^^^^^ the trait `for<'b> Clone` is not implemented for `<u16 as Z<'b, u16>>::W`
-...
-LL | for<'b> <T as Z<'b, u16>>::W: Clone,
- | ----- required by this bound in `Z`
|
= help: the following implementations were found:
<&T as Clone>
-
-error[E0277]: the trait bound `for<'b> <u16 as Z<'b, u16>>::W: Clone` is not satisfied
- --> $DIR/hr-associated-type-bound-param-2.rs:16:14
+note: required by a bound in `Z`
+ --> $DIR/hr-associated-type-bound-param-2.rs:7:35
|
LL | trait Z<'a, T: ?Sized>
| - required by a bound in this
...
LL | for<'b> <T as Z<'b, u16>>::W: Clone,
- | ----- required by this bound in `Z`
-...
+ | ^^^^^ required by this bound in `Z`
+
+error[E0277]: the trait bound `for<'b> <u16 as Z<'b, u16>>::W: Clone` is not satisfied
+ --> $DIR/hr-associated-type-bound-param-2.rs:16:14
+ |
LL | type W = str;
| ^^^ the trait `for<'b> Clone` is not implemented for `<u16 as Z<'b, u16>>::W`
|
= help: the following implementations were found:
<&T as Clone>
+note: required by a bound in `Z`
+ --> $DIR/hr-associated-type-bound-param-2.rs:7:35
+ |
+LL | trait Z<'a, T: ?Sized>
+ | - required by a bound in this
+...
+LL | for<'b> <T as Z<'b, u16>>::W: Clone,
+ | ^^^^^ required by this bound in `Z`
error: aborting due to 3 previous errors
diff --git a/src/test/ui/associated-types/hr-associated-type-bound-param-3.stderr b/src/test/ui/associated-types/hr-associated-type-bound-param-3.stderr
index 79e1e00e98d77..b1bc1dfbb1127 100644
--- a/src/test/ui/associated-types/hr-associated-type-bound-param-3.stderr
+++ b/src/test/ui/associated-types/hr-associated-type-bound-param-3.stderr
@@ -1,17 +1,19 @@
error[E0277]: the trait bound `for<'b> <(T,) as X<'b, (T,)>>::U: Clone` is not satisfied
--> $DIR/hr-associated-type-bound-param-3.rs:13:14
|
-LL | trait X<'a, T>
- | - required by a bound in this
-...
-LL | for<'b> <T as X<'b, T>>::U: Clone,
- | ----- required by this bound in `X`
-...
LL | type U = str;
| ^^^ the trait `for<'b> Clone` is not implemented for `<(T,) as X<'b, (T,)>>::U`
|
= help: the following implementations were found:
<&T as Clone>
+note: required by a bound in `X`
+ --> $DIR/hr-associated-type-bound-param-3.rs:4:33
+ |
+LL | trait X<'a, T>
+ | - required by a bound in this
+...
+LL | for<'b> <T as X<'b, T>>::U: Clone,
+ | ^^^^^ required by this bound in `X`
error: aborting due to previous error
diff --git a/src/test/ui/associated-types/hr-associated-type-bound-param-4.stderr b/src/test/ui/associated-types/hr-associated-type-bound-param-4.stderr
index e23ac5f56503b..0bd404f8a41b2 100644
--- a/src/test/ui/associated-types/hr-associated-type-bound-param-4.stderr
+++ b/src/test/ui/associated-types/hr-associated-type-bound-param-4.stderr
@@ -1,17 +1,19 @@
error[E0277]: the trait bound `for<'b> <(T,) as X<'b, T>>::U: Clone` is not satisfied
--> $DIR/hr-associated-type-bound-param-4.rs:13:14
|
-LL | trait X<'a, T>
- | - required by a bound in this
-...
-LL | for<'b> <(T,) as X<'b, T>>::U: Clone,
- | ----- required by this bound in `X`
-...
LL | type U = str;
| ^^^ the trait `for<'b> Clone` is not implemented for `<(T,) as X<'b, T>>::U`
|
= help: the following implementations were found:
<&T as Clone>
+note: required by a bound in `X`
+ --> $DIR/hr-associated-type-bound-param-4.rs:4:36
+ |
+LL | trait X<'a, T>
+ | - required by a bound in this
+...
+LL | for<'b> <(T,) as X<'b, T>>::U: Clone,
+ | ^^^^^ required by this bound in `X`
error: aborting due to previous error
diff --git a/src/test/ui/associated-types/hr-associated-type-bound-param-5.stderr b/src/test/ui/associated-types/hr-associated-type-bound-param-5.stderr
index 38909be59f237..59c0a7268cc83 100644
--- a/src/test/ui/associated-types/hr-associated-type-bound-param-5.stderr
+++ b/src/test/ui/associated-types/hr-associated-type-bound-param-5.stderr
@@ -1,62 +1,70 @@
error[E0277]: the trait bound `for<'b> <Box<T> as X<'b, Box<T>>>::U: Clone` is not satisfied
--> $DIR/hr-associated-type-bound-param-5.rs:27:14
|
-LL | trait X<'a, T: Cycle + for<'b> X<'b, T>>
- | - required by a bound in this
-...
-LL | for<'b> <T::Next as X<'b, T::Next>>::U: Clone,
- | ----- required by this bound in `X`
-...
LL | type U = str;
| ^^^ the trait `for<'b> Clone` is not implemented for `<Box<T> as X<'b, Box<T>>>::U`
|
= help: the following implementations were found:
<&T as Clone>
-
-error[E0277]: the trait bound `for<'b> <Vec<T> as X<'b, Vec<T>>>::U: Clone` is not satisfied
- --> $DIR/hr-associated-type-bound-param-5.rs:27:14
+note: required by a bound in `X`
+ --> $DIR/hr-associated-type-bound-param-5.rs:18:45
|
LL | trait X<'a, T: Cycle + for<'b> X<'b, T>>
| - required by a bound in this
-LL | where
-LL | for<'b> <T as X<'b, T>>::U: Clone,
- | ----- required by this bound in `X`
...
+LL | for<'b> <T::Next as X<'b, T::Next>>::U: Clone,
+ | ^^^^^ required by this bound in `X`
+
+error[E0277]: the trait bound `for<'b> <Vec<T> as X<'b, Vec<T>>>::U: Clone` is not satisfied
+ --> $DIR/hr-associated-type-bound-param-5.rs:27:14
+ |
LL | type U = str;
| ^^^ the trait `for<'b> Clone` is not implemented for `<Vec<T> as X<'b, Vec<T>>>::U`
|
= help: the following implementations were found:
<&T as Clone>
+note: required by a bound in `X`
+ --> $DIR/hr-associated-type-bound-param-5.rs:16:33
+ |
+LL | trait X<'a, T: Cycle + for<'b> X<'b, T>>
+ | - required by a bound in this
+LL | where
+LL | for<'b> <T as X<'b, T>>::U: Clone,
+ | ^^^^^ required by this bound in `X`
error[E0277]: the trait bound `for<'b> <Vec<T> as X<'b, Vec<T>>>::U: Clone` is not satisfied
--> $DIR/hr-associated-type-bound-param-5.rs:33:14
|
-LL | trait X<'a, T: Cycle + for<'b> X<'b, T>>
- | - required by a bound in this
-...
-LL | for<'b> <T::Next as X<'b, T::Next>>::U: Clone,
- | ----- required by this bound in `X`
-...
LL | type U = str;
| ^^^ the trait `for<'b> Clone` is not implemented for `<Vec<T> as X<'b, Vec<T>>>::U`
|
= help: the following implementations were found:
<&T as Clone>
-
-error[E0277]: the trait bound `for<'b> <Box<T> as X<'b, Box<T>>>::U: Clone` is not satisfied
- --> $DIR/hr-associated-type-bound-param-5.rs:33:14
+note: required by a bound in `X`
+ --> $DIR/hr-associated-type-bound-param-5.rs:18:45
|
LL | trait X<'a, T: Cycle + for<'b> X<'b, T>>
| - required by a bound in this
-LL | where
-LL | for<'b> <T as X<'b, T>>::U: Clone,
- | ----- required by this bound in `X`
...
+LL | for<'b> <T::Next as X<'b, T::Next>>::U: Clone,
+ | ^^^^^ required by this bound in `X`
+
+error[E0277]: the trait bound `for<'b> <Box<T> as X<'b, Box<T>>>::U: Clone` is not satisfied
+ --> $DIR/hr-associated-type-bound-param-5.rs:33:14
+ |
LL | type U = str;
| ^^^ the trait `for<'b> Clone` is not implemented for `<Box<T> as X<'b, Box<T>>>::U`
|
= help: the following implementations were found:
<&T as Clone>
+note: required by a bound in `X`
+ --> $DIR/hr-associated-type-bound-param-5.rs:16:33
+ |
+LL | trait X<'a, T: Cycle + for<'b> X<'b, T>>
+ | - required by a bound in this
+LL | where
+LL | for<'b> <T as X<'b, T>>::U: Clone,
+ | ^^^^^ required by this bound in `X`
error: aborting due to 4 previous errors
diff --git a/src/test/ui/associated-types/hr-associated-type-bound-param-6.stderr b/src/test/ui/associated-types/hr-associated-type-bound-param-6.stderr
index 22bc0281d343a..bce5737af1bb6 100644
--- a/src/test/ui/associated-types/hr-associated-type-bound-param-6.stderr
+++ b/src/test/ui/associated-types/hr-associated-type-bound-param-6.stderr
@@ -1,30 +1,34 @@
error[E0277]: the trait bound `for<'b> <T as X<'b, T>>::U: Clone` is not satisfied
--> $DIR/hr-associated-type-bound-param-6.rs:14:14
|
-LL | trait X<'a, T>
- | - required by a bound in this
-...
-LL | for<'b> <T as X<'b, T>>::U: Clone,
- | ----- required by this bound in `X`
-...
LL | type U = str;
| ^^^ the trait `for<'b> Clone` is not implemented for `<T as X<'b, T>>::U`
|
= help: the following implementations were found:
<&T as Clone>
+note: required by a bound in `X`
+ --> $DIR/hr-associated-type-bound-param-6.rs:4:33
+ |
+LL | trait X<'a, T>
+ | - required by a bound in this
+...
+LL | for<'b> <T as X<'b, T>>::U: Clone,
+ | ^^^^^ required by this bound in `X`
error[E0277]: the trait bound `for<'b> T: X<'b, T>` is not satisfied
--> $DIR/hr-associated-type-bound-param-6.rs:12:12
|
+LL | impl<S, T> X<'_, T> for (S,) {
+ | ^^^^^^^^ the trait `for<'b> X<'b, T>` is not implemented for `T`
+ |
+note: required by a bound in `X`
+ --> $DIR/hr-associated-type-bound-param-6.rs:3:16
+ |
LL | trait X<'a, T>
| - required by a bound in this
LL | where
LL | for<'b> T: X<'b, T>,
- | -------- required by this bound in `X`
-...
-LL | impl<S, T> X<'_, T> for (S,) {
- | ^^^^^^^^ the trait `for<'b> X<'b, T>` is not implemented for `T`
- |
+ | ^^^^^^^^ required by this bound in `X`
help: consider restricting type parameter `T`
|
LL | impl<S, T: for<'b> X<'b, T>> X<'_, T> for (S,) {
diff --git a/src/test/ui/associated-types/hr-associated-type-projection-1.stderr b/src/test/ui/associated-types/hr-associated-type-projection-1.stderr
index 149279e417c1b..20d7a206754ea 100644
--- a/src/test/ui/associated-types/hr-associated-type-projection-1.stderr
+++ b/src/test/ui/associated-types/hr-associated-type-projection-1.stderr
@@ -1,18 +1,20 @@
error[E0277]: the trait bound `for<'b> <T as UnsafeCopy<'b, T>>::Item: Deref` is not satisfied
--> $DIR/hr-associated-type-projection-1.rs:15:17
|
-LL | trait UnsafeCopy<'a, T: Copy>
- | ---------- required by a bound in this
-LL | where
-LL | for<'b> <Self as UnsafeCopy<'b, T>>::Item: std::ops::Deref<Target = T>,
- | --------------------------- required by this bound in `UnsafeCopy`
-...
LL | type Item = T;
| ^ the trait `for<'b> Deref` is not implemented for `<T as UnsafeCopy<'b, T>>::Item`
|
= help: the following implementations were found:
<&T as Deref>
<&mut T as Deref>
+note: required by a bound in `UnsafeCopy`
+ --> $DIR/hr-associated-type-projection-1.rs:3:48
+ |
+LL | trait UnsafeCopy<'a, T: Copy>
+ | ---------- required by a bound in this
+LL | where
+LL | for<'b> <Self as UnsafeCopy<'b, T>>::Item: std::ops::Deref<Target = T>,
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `UnsafeCopy`
error[E0277]: the trait bound `for<'b> <T as UnsafeCopy<'b, T>>::Item: Deref` is not satisfied
--> $DIR/hr-associated-type-projection-1.rs:13:33
diff --git a/src/test/ui/associated-types/issue-20005.stderr b/src/test/ui/associated-types/issue-20005.stderr
index 1f14b5bb787a4..c8e57df0d9fee 100644
--- a/src/test/ui/associated-types/issue-20005.stderr
+++ b/src/test/ui/associated-types/issue-20005.stderr
@@ -1,12 +1,14 @@
error[E0277]: the size for values of type `Self` cannot be known at compilation time
--> $DIR/issue-20005.rs:10:49
|
-LL | trait From<Src> {
- | --- required by this bound in `From`
-...
LL | ) -> <Dst as From<Self>>::Result where Dst: From<Self> {
| ^^^^^^^^^^ doesn't have a size known at compile-time
|
+note: required by a bound in `From`
+ --> $DIR/issue-20005.rs:1:12
+ |
+LL | trait From<Src> {
+ | ^^^ required by this bound in `From`
help: consider further restricting `Self`
|
LL | ) -> <Dst as From<Self>>::Result where Dst: From<Self>, Self: Sized {
diff --git a/src/test/ui/associated-types/issue-27675-unchecked-bounds.stderr b/src/test/ui/associated-types/issue-27675-unchecked-bounds.stderr
index 2bb8398c93ea4..e36572740f655 100644
--- a/src/test/ui/associated-types/issue-27675-unchecked-bounds.stderr
+++ b/src/test/ui/associated-types/issue-27675-unchecked-bounds.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `T: Copy` is not satisfied
--> $DIR/issue-27675-unchecked-bounds.rs:15:31
|
-LL | fn copy<U: Setup + ?Sized>(from: &U::From) -> U::From {
- | ----- required by this bound in `copy`
-...
LL | copy::<dyn Setup<From=T>>(t)
| ^ the trait `Copy` is not implemented for `T`
|
+note: required by a bound in `copy`
+ --> $DIR/issue-27675-unchecked-bounds.rs:10:12
+ |
+LL | fn copy<U: Setup + ?Sized>(from: &U::From) -> U::From {
+ | ^^^^^ required by this bound in `copy`
help: consider restricting type parameter `T`
|
LL | pub fn copy_any<T: std::marker::Copy>(t: &T) -> T {
diff --git a/src/test/ui/associated-types/issue-43784-associated-type.stderr b/src/test/ui/associated-types/issue-43784-associated-type.stderr
index c5e0cbc8a4a8a..a3ed1c1fe74c1 100644
--- a/src/test/ui/associated-types/issue-43784-associated-type.stderr
+++ b/src/test/ui/associated-types/issue-43784-associated-type.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `T: Copy` is not satisfied
--> $DIR/issue-43784-associated-type.rs:14:5
|
-LL | type Assoc: Partial<Self>;
- | ------------- required by this bound in `Complete::Assoc`
-...
LL | type Assoc = T;
| ^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `T`
|
+note: required by a bound in `Complete::Assoc`
+ --> $DIR/issue-43784-associated-type.rs:5:17
+ |
+LL | type Assoc: Partial<Self>;
+ | ^^^^^^^^^^^^^ required by this bound in `Complete::Assoc`
help: consider restricting type parameter `T`
|
LL | impl<T: std::marker::Copy> Complete for T {
diff --git a/src/test/ui/associated-types/issue-43924.stderr b/src/test/ui/associated-types/issue-43924.stderr
index 8d4ecac750268..b7fbf893bb03b 100644
--- a/src/test/ui/associated-types/issue-43924.stderr
+++ b/src/test/ui/associated-types/issue-43924.stderr
@@ -2,10 +2,13 @@ error[E0277]: the trait bound `(dyn ToString + 'static): Default` is not satisfi
--> $DIR/issue-43924.rs:7:5
|
LL | type Out: Default + ToString + ?Sized = dyn ToString;
- | ^^^^^^^^^^-------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- | | |
- | | required by this bound in `Foo::Out`
- | the trait `Default` is not implemented for `(dyn ToString + 'static)`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Default` is not implemented for `(dyn ToString + 'static)`
+ |
+note: required by a bound in `Foo::Out`
+ --> $DIR/issue-43924.rs:7:15
+ |
+LL | type Out: Default + ToString + ?Sized = dyn ToString;
+ | ^^^^^^^ required by this bound in `Foo::Out`
error[E0599]: no function or associated item named `default` found for trait object `(dyn ToString + 'static)` in the current scope
--> $DIR/issue-43924.rs:14:39
diff --git a/src/test/ui/associated-types/issue-54108.stderr b/src/test/ui/associated-types/issue-54108.stderr
index 84012e651df59..70e688ba7732f 100644
--- a/src/test/ui/associated-types/issue-54108.stderr
+++ b/src/test/ui/associated-types/issue-54108.stderr
@@ -1,13 +1,15 @@
error[E0277]: cannot add `<T as SubEncoder>::ActualSize` to `<T as SubEncoder>::ActualSize`
--> $DIR/issue-54108.rs:19:5
|
-LL | type Size: Add<Output = Self::Size>;
- | ------------------------ required by this bound in `Encoder::Size`
-...
LL | type Size = <Self as SubEncoder>::ActualSize;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `<T as SubEncoder>::ActualSize + <T as SubEncoder>::ActualSize`
|
= help: the trait `Add` is not implemented for `<T as SubEncoder>::ActualSize`
+note: required by a bound in `Encoder::Size`
+ --> $DIR/issue-54108.rs:4:16
+ |
+LL | type Size: Add<Output = Self::Size>;
+ | ^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Encoder::Size`
help: consider further restricting the associated type
|
LL | T: SubEncoder, <T as SubEncoder>::ActualSize: Add
diff --git a/src/test/ui/associated-types/issue-63593.stderr b/src/test/ui/associated-types/issue-63593.stderr
index 59637367604de..70449b0c0357c 100644
--- a/src/test/ui/associated-types/issue-63593.stderr
+++ b/src/test/ui/associated-types/issue-63593.stderr
@@ -2,11 +2,13 @@ error[E0277]: the size for values of type `Self` cannot be known at compilation
--> $DIR/issue-63593.rs:9:5
|
LL | type This = Self;
- | ^^^^^^^^^^^^^^^^^
- | |
- | doesn't have a size known at compile-time
- | required by this bound in `MyTrait::This`
+ | ^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
|
+note: required by a bound in `MyTrait::This`
+ --> $DIR/issue-63593.rs:9:5
+ |
+LL | type This = Self;
+ | ^^^^^^^^^^^^^^^^^ required by this bound in `MyTrait::This`
help: consider further restricting `Self`
|
LL | trait MyTrait: Sized {
diff --git a/src/test/ui/associated-types/issue-65774-1.stderr b/src/test/ui/associated-types/issue-65774-1.stderr
index fc020e40b5ad2..abe1b76116eef 100644
--- a/src/test/ui/associated-types/issue-65774-1.stderr
+++ b/src/test/ui/associated-types/issue-65774-1.stderr
@@ -2,10 +2,13 @@ error[E0277]: the trait bound `T: MyDisplay` is not satisfied
--> $DIR/issue-65774-1.rs:10:5
|
LL | type MpuConfig: MyDisplay = T;
- | ^^^^^^^^^^^^^^^^---------^^^^^
- | | |
- | | required by this bound in `MPU::MpuConfig`
- | the trait `MyDisplay` is not implemented for `T`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `MyDisplay` is not implemented for `T`
+ |
+note: required by a bound in `MPU::MpuConfig`
+ --> $DIR/issue-65774-1.rs:10:21
+ |
+LL | type MpuConfig: MyDisplay = T;
+ | ^^^^^^^^^ required by this bound in `MPU::MpuConfig`
error[E0277]: the trait bound `T: MyDisplay` is not satisfied
--> $DIR/issue-65774-1.rs:44:76
diff --git a/src/test/ui/associated-types/issue-65774-2.stderr b/src/test/ui/associated-types/issue-65774-2.stderr
index 572a9cf190952..9393cd4c0c3d7 100644
--- a/src/test/ui/associated-types/issue-65774-2.stderr
+++ b/src/test/ui/associated-types/issue-65774-2.stderr
@@ -2,10 +2,13 @@ error[E0277]: the trait bound `T: MyDisplay` is not satisfied
--> $DIR/issue-65774-2.rs:10:5
|
LL | type MpuConfig: MyDisplay = T;
- | ^^^^^^^^^^^^^^^^---------^^^^^
- | | |
- | | required by this bound in `MPU::MpuConfig`
- | the trait `MyDisplay` is not implemented for `T`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `MyDisplay` is not implemented for `T`
+ |
+note: required by a bound in `MPU::MpuConfig`
+ --> $DIR/issue-65774-2.rs:10:21
+ |
+LL | type MpuConfig: MyDisplay = T;
+ | ^^^^^^^^^ required by this bound in `MPU::MpuConfig`
error[E0277]: the trait bound `T: MyDisplay` is not satisfied
--> $DIR/issue-65774-2.rs:39:25
diff --git a/src/test/ui/associated-types/issue-72806.stderr b/src/test/ui/associated-types/issue-72806.stderr
index 23fabbee1c5d4..ea98e21d72f06 100644
--- a/src/test/ui/associated-types/issue-72806.stderr
+++ b/src/test/ui/associated-types/issue-72806.stderr
@@ -1,11 +1,14 @@
error[E0271]: type mismatch resolving `<Foo2 as Bar2>::Ok == char`
--> $DIR/issue-72806.rs:14:5
|
-LL | type Sibling: Bar2<Ok=char>;
- | ------- required by this bound in `Bar::Sibling`
-...
LL | type Sibling = Foo2;
| ^^^^^^^^^^^^^^^^^^^^ expected `char`, found `u32`
+ |
+note: required by a bound in `Bar::Sibling`
+ --> $DIR/issue-72806.rs:3:24
+ |
+LL | type Sibling: Bar2<Ok=char>;
+ | ^^^^^^^ required by this bound in `Bar::Sibling`
error: aborting due to previous error
diff --git a/src/test/ui/associated-types/issue-87261.stderr b/src/test/ui/associated-types/issue-87261.stderr
index 780ef118d1cb2..b85d64b86ae66 100644
--- a/src/test/ui/associated-types/issue-87261.stderr
+++ b/src/test/ui/associated-types/issue-87261.stderr
@@ -1,14 +1,16 @@
error[E0271]: type mismatch resolving `<A as Trait>::Associated == ()`
--> $DIR/issue-87261.rs:56:5
|
-LL | fn accepts_trait<T: Trait<Associated = ()>>(_: T) {}
- | --------------- required by this bound in `accepts_trait`
-...
LL | accepts_trait(a);
| ^^^^^^^^^^^^^ expected `()`, found associated type
|
= note: expected unit type `()`
found associated type `<A as Trait>::Associated`
+note: required by a bound in `accepts_trait`
+ --> $DIR/issue-87261.rs:43:27
+ |
+LL | fn accepts_trait<T: Trait<Associated = ()>>(_: T) {}
+ | ^^^^^^^^^^^^^^^ required by this bound in `accepts_trait`
help: consider constraining the associated type `<A as Trait>::Associated` to `()`
|
LL | A: Trait<Associated = ()> + 'static,
@@ -17,9 +19,6 @@ LL | A: Trait<Associated = ()> + 'static,
error[E0271]: type mismatch resolving `<B as Trait>::Associated == ()`
--> $DIR/issue-87261.rs:59:5
|
-LL | fn accepts_trait<T: Trait<Associated = ()>>(_: T) {}
- | --------------- required by this bound in `accepts_trait`
-...
LL | accepts_trait(b);
| ^^^^^^^^^^^^^ expected `()`, found associated type
|
@@ -27,18 +26,25 @@ LL | accepts_trait(b);
found associated type `<B as Trait>::Associated`
= help: consider constraining the associated type `<B as Trait>::Associated` to `()`
= note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
+note: required by a bound in `accepts_trait`
+ --> $DIR/issue-87261.rs:43:27
+ |
+LL | fn accepts_trait<T: Trait<Associated = ()>>(_: T) {}
+ | ^^^^^^^^^^^^^^^ required by this bound in `accepts_trait`
error[E0271]: type mismatch resolving `<C as Trait>::Associated == ()`
--> $DIR/issue-87261.rs:62:5
|
-LL | fn accepts_trait<T: Trait<Associated = ()>>(_: T) {}
- | --------------- required by this bound in `accepts_trait`
-...
LL | accepts_trait(c);
| ^^^^^^^^^^^^^ expected `()`, found associated type
|
= note: expected unit type `()`
found associated type `<C as Trait>::Associated`
+note: required by a bound in `accepts_trait`
+ --> $DIR/issue-87261.rs:43:27
+ |
+LL | fn accepts_trait<T: Trait<Associated = ()>>(_: T) {}
+ | ^^^^^^^^^^^^^^^ required by this bound in `accepts_trait`
help: consider constraining the associated type `<C as Trait>::Associated` to `()`
|
LL | C: Trait<Associated = ()> + Foo,
@@ -47,9 +53,6 @@ LL | C: Trait<Associated = ()> + Foo,
error[E0271]: type mismatch resolving `<D as Trait>::Associated == ()`
--> $DIR/issue-87261.rs:65:5
|
-LL | fn accepts_trait<T: Trait<Associated = ()>>(_: T) {}
- | --------------- required by this bound in `accepts_trait`
-...
LL | accepts_trait(d);
| ^^^^^^^^^^^^^ expected `()`, found associated type
|
@@ -57,18 +60,25 @@ LL | accepts_trait(d);
found associated type `<D as Trait>::Associated`
= help: consider constraining the associated type `<D as Trait>::Associated` to `()`
= note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
+note: required by a bound in `accepts_trait`
+ --> $DIR/issue-87261.rs:43:27
+ |
+LL | fn accepts_trait<T: Trait<Associated = ()>>(_: T) {}
+ | ^^^^^^^^^^^^^^^ required by this bound in `accepts_trait`
error[E0271]: type mismatch resolving `<E as GenericTrait<()>>::Associated == ()`
--> $DIR/issue-87261.rs:68:5
|
-LL | fn accepts_generic_trait<T: GenericTrait<(), Associated = ()>>(_: T) {}
- | --------------- required by this bound in `accepts_generic_trait`
-...
LL | accepts_generic_trait(e);
| ^^^^^^^^^^^^^^^^^^^^^ expected `()`, found associated type
|
= note: expected unit type `()`
found associated type `<E as GenericTrait<()>>::Associated`
+note: required by a bound in `accepts_generic_trait`
+ --> $DIR/issue-87261.rs:44:46
+ |
+LL | fn accepts_generic_trait<T: GenericTrait<(), Associated = ()>>(_: T) {}
+ | ^^^^^^^^^^^^^^^ required by this bound in `accepts_generic_trait`
help: consider constraining the associated type `<E as GenericTrait<()>>::Associated` to `()`
|
LL | E: GenericTrait<(), Associated = ()> + 'static,
@@ -77,14 +87,16 @@ LL | E: GenericTrait<(), Associated = ()> + 'static,
error[E0271]: type mismatch resolving `<F as GenericTrait<()>>::Associated == ()`
--> $DIR/issue-87261.rs:71:5
|
-LL | fn accepts_generic_trait<T: GenericTrait<(), Associated = ()>>(_: T) {}
- | --------------- required by this bound in `accepts_generic_trait`
-...
LL | accepts_generic_trait(f);
| ^^^^^^^^^^^^^^^^^^^^^ expected `()`, found associated type
|
= note: expected unit type `()`
found associated type `<F as GenericTrait<()>>::Associated`
+note: required by a bound in `accepts_generic_trait`
+ --> $DIR/issue-87261.rs:44:46
+ |
+LL | fn accepts_generic_trait<T: GenericTrait<(), Associated = ()>>(_: T) {}
+ | ^^^^^^^^^^^^^^^ required by this bound in `accepts_generic_trait`
help: consider constraining the associated type `<F as GenericTrait<()>>::Associated` to `()`
|
LL | F: GenericTrait<(), Associated = ()> + Foo,
@@ -93,9 +105,6 @@ LL | F: GenericTrait<(), Associated = ()> + Foo,
error[E0271]: type mismatch resolving `<G as GenericTrait<()>>::Associated == ()`
--> $DIR/issue-87261.rs:74:5
|
-LL | fn accepts_generic_trait<T: GenericTrait<(), Associated = ()>>(_: T) {}
- | --------------- required by this bound in `accepts_generic_trait`
-...
LL | accepts_generic_trait(g);
| ^^^^^^^^^^^^^^^^^^^^^ expected `()`, found associated type
|
@@ -103,6 +112,11 @@ LL | accepts_generic_trait(g);
found associated type `<G as GenericTrait<()>>::Associated`
= help: consider constraining the associated type `<G as GenericTrait<()>>::Associated` to `()`
= note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
+note: required by a bound in `accepts_generic_trait`
+ --> $DIR/issue-87261.rs:44:46
+ |
+LL | fn accepts_generic_trait<T: GenericTrait<(), Associated = ()>>(_: T) {}
+ | ^^^^^^^^^^^^^^^ required by this bound in `accepts_generic_trait`
error[E0271]: type mismatch resolving `<impl Trait as Trait>::Associated == ()`
--> $DIR/issue-87261.rs:79:5
@@ -110,14 +124,16 @@ error[E0271]: type mismatch resolving `<impl Trait as Trait>::Associated == ()`
LL | fn returns_opaque() -> impl Trait + 'static {
| -------------------- the found opaque type
...
-LL | fn accepts_trait<T: Trait<Associated = ()>>(_: T) {}
- | --------------- required by this bound in `accepts_trait`
-...
LL | accepts_trait(returns_opaque());
| ^^^^^^^^^^^^^ expected `()`, found associated type
|
= note: expected unit type `()`
found associated type `<impl Trait as Trait>::Associated`
+note: required by a bound in `accepts_trait`
+ --> $DIR/issue-87261.rs:43:27
+ |
+LL | fn accepts_trait<T: Trait<Associated = ()>>(_: T) {}
+ | ^^^^^^^^^^^^^^^ required by this bound in `accepts_trait`
help: consider constraining the associated type `<impl Trait as Trait>::Associated` to `()`
|
LL | fn returns_opaque() -> impl Trait<Associated = ()> + 'static {
@@ -129,14 +145,16 @@ error[E0271]: type mismatch resolving `<impl DerivedTrait as Trait>::Associated
LL | fn returns_opaque_derived() -> impl DerivedTrait + 'static {
| --------------------------- the found opaque type
...
-LL | fn accepts_trait<T: Trait<Associated = ()>>(_: T) {}
- | --------------- required by this bound in `accepts_trait`
-...
LL | accepts_trait(returns_opaque_derived());
| ^^^^^^^^^^^^^ expected `()`, found associated type
|
= note: expected unit type `()`
found associated type `<impl DerivedTrait as Trait>::Associated`
+note: required by a bound in `accepts_trait`
+ --> $DIR/issue-87261.rs:43:27
+ |
+LL | fn accepts_trait<T: Trait<Associated = ()>>(_: T) {}
+ | ^^^^^^^^^^^^^^^ required by this bound in `accepts_trait`
help: consider constraining the associated type `<impl DerivedTrait as Trait>::Associated` to `()`
|
LL | fn returns_opaque_derived() -> impl DerivedTrait<Associated = ()> + 'static {
@@ -148,14 +166,16 @@ error[E0271]: type mismatch resolving `<impl Trait+Foo as Trait>::Associated ==
LL | fn returns_opaque_foo() -> impl Trait + Foo {
| ---------------- the found opaque type
...
-LL | fn accepts_trait<T: Trait<Associated = ()>>(_: T) {}
- | --------------- required by this bound in `accepts_trait`
-...
LL | accepts_trait(returns_opaque_foo());
| ^^^^^^^^^^^^^ expected `()`, found associated type
|
= note: expected unit type `()`
found associated type `<impl Trait+Foo as Trait>::Associated`
+note: required by a bound in `accepts_trait`
+ --> $DIR/issue-87261.rs:43:27
+ |
+LL | fn accepts_trait<T: Trait<Associated = ()>>(_: T) {}
+ | ^^^^^^^^^^^^^^^ required by this bound in `accepts_trait`
help: consider constraining the associated type `<impl Trait+Foo as Trait>::Associated` to `()`
|
LL | fn returns_opaque_foo() -> impl Trait<Associated = ()> + Foo {
@@ -167,9 +187,6 @@ error[E0271]: type mismatch resolving `<impl DerivedTrait+Foo as Trait>::Associa
LL | fn returns_opaque_derived_foo() -> impl DerivedTrait + Foo {
| ----------------------- the found opaque type
...
-LL | fn accepts_trait<T: Trait<Associated = ()>>(_: T) {}
- | --------------- required by this bound in `accepts_trait`
-...
LL | accepts_trait(returns_opaque_derived_foo());
| ^^^^^^^^^^^^^ expected `()`, found associated type
|
@@ -177,6 +194,11 @@ LL | accepts_trait(returns_opaque_derived_foo());
found associated type `<impl DerivedTrait+Foo as Trait>::Associated`
= help: consider constraining the associated type `<impl DerivedTrait+Foo as Trait>::Associated` to `()`
= note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
+note: required by a bound in `accepts_trait`
+ --> $DIR/issue-87261.rs:43:27
+ |
+LL | fn accepts_trait<T: Trait<Associated = ()>>(_: T) {}
+ | ^^^^^^^^^^^^^^^ required by this bound in `accepts_trait`
error[E0271]: type mismatch resolving `<impl GenericTrait<()> as GenericTrait<()>>::Associated == ()`
--> $DIR/issue-87261.rs:91:5
@@ -184,14 +206,16 @@ error[E0271]: type mismatch resolving `<impl GenericTrait<()> as GenericTrait<()
LL | fn returns_opaque_generic() -> impl GenericTrait<()> + 'static {
| ------------------------------- the found opaque type
...
-LL | fn accepts_generic_trait<T: GenericTrait<(), Associated = ()>>(_: T) {}
- | --------------- required by this bound in `accepts_generic_trait`
-...
LL | accepts_generic_trait(returns_opaque_generic());
| ^^^^^^^^^^^^^^^^^^^^^ expected `()`, found associated type
|
= note: expected unit type `()`
found associated type `<impl GenericTrait<()> as GenericTrait<()>>::Associated`
+note: required by a bound in `accepts_generic_trait`
+ --> $DIR/issue-87261.rs:44:46
+ |
+LL | fn accepts_generic_trait<T: GenericTrait<(), Associated = ()>>(_: T) {}
+ | ^^^^^^^^^^^^^^^ required by this bound in `accepts_generic_trait`
help: consider constraining the associated type `<impl GenericTrait<()> as GenericTrait<()>>::Associated` to `()`
|
LL | fn returns_opaque_generic() -> impl GenericTrait<(), Associated = ()> + 'static {
@@ -203,14 +227,16 @@ error[E0271]: type mismatch resolving `<impl GenericTrait<()>+Foo as GenericTrai
LL | fn returns_opaque_generic_foo() -> impl GenericTrait<()> + Foo {
| --------------------------- the found opaque type
...
-LL | fn accepts_generic_trait<T: GenericTrait<(), Associated = ()>>(_: T) {}
- | --------------- required by this bound in `accepts_generic_trait`
-...
LL | accepts_generic_trait(returns_opaque_generic_foo());
| ^^^^^^^^^^^^^^^^^^^^^ expected `()`, found associated type
|
= note: expected unit type `()`
found associated type `<impl GenericTrait<()>+Foo as GenericTrait<()>>::Associated`
+note: required by a bound in `accepts_generic_trait`
+ --> $DIR/issue-87261.rs:44:46
+ |
+LL | fn accepts_generic_trait<T: GenericTrait<(), Associated = ()>>(_: T) {}
+ | ^^^^^^^^^^^^^^^ required by this bound in `accepts_generic_trait`
help: consider constraining the associated type `<impl GenericTrait<()>+Foo as GenericTrait<()>>::Associated` to `()`
|
LL | fn returns_opaque_generic_foo() -> impl GenericTrait<(), Associated = ()> + Foo {
@@ -222,9 +248,6 @@ error[E0271]: type mismatch resolving `<impl GenericTrait<()>+GenericTrait<u8> a
LL | fn returns_opaque_generic_duplicate() -> impl GenericTrait<()> + GenericTrait<u8> {
| ---------------------------------------- the found opaque type
...
-LL | fn accepts_generic_trait<T: GenericTrait<(), Associated = ()>>(_: T) {}
- | --------------- required by this bound in `accepts_generic_trait`
-...
LL | accepts_generic_trait(returns_opaque_generic_duplicate());
| ^^^^^^^^^^^^^^^^^^^^^ expected `()`, found associated type
|
@@ -232,6 +255,11 @@ LL | accepts_generic_trait(returns_opaque_generic_duplicate());
found associated type `<impl GenericTrait<()>+GenericTrait<u8> as GenericTrait<()>>::Associated`
= help: consider constraining the associated type `<impl GenericTrait<()>+GenericTrait<u8> as GenericTrait<()>>::Associated` to `()`
= note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
+note: required by a bound in `accepts_generic_trait`
+ --> $DIR/issue-87261.rs:44:46
+ |
+LL | fn accepts_generic_trait<T: GenericTrait<(), Associated = ()>>(_: T) {}
+ | ^^^^^^^^^^^^^^^ required by this bound in `accepts_generic_trait`
error: aborting due to 14 previous errors
diff --git a/src/test/ui/associated-types/point-at-type-on-obligation-failure-2.stderr b/src/test/ui/associated-types/point-at-type-on-obligation-failure-2.stderr
index b23030d7cb52b..f9406834ad707 100644
--- a/src/test/ui/associated-types/point-at-type-on-obligation-failure-2.stderr
+++ b/src/test/ui/associated-types/point-at-type-on-obligation-failure-2.stderr
@@ -1,35 +1,44 @@
error[E0277]: the trait bound `bool: Bar` is not satisfied
--> $DIR/point-at-type-on-obligation-failure-2.rs:8:5
|
-LL | type Assoc: Bar;
- | --- required by this bound in `Foo::Assoc`
-...
LL | type Assoc = bool;
| ^^^^^^^^^^^^^^^^^^ the trait `Bar` is not implemented for `bool`
+ |
+note: required by a bound in `Foo::Assoc`
+ --> $DIR/point-at-type-on-obligation-failure-2.rs:4:17
+ |
+LL | type Assoc: Bar;
+ | ^^^ required by this bound in `Foo::Assoc`
error[E0277]: the trait bound `bool: Bar` is not satisfied
--> $DIR/point-at-type-on-obligation-failure-2.rs:19:5
|
+LL | type Assoc = bool;
+ | ^^^^^^^^^^^^^^^^^^ the trait `Bar` is not implemented for `bool`
+ |
+note: required by a bound in `Baz::Assoc`
+ --> $DIR/point-at-type-on-obligation-failure-2.rs:13:18
+ |
LL | Self::Assoc: Bar,
- | --- required by this bound in `Baz::Assoc`
+ | ^^^ required by this bound in `Baz::Assoc`
LL | {
LL | type Assoc;
| ----- required by a bound in this
-...
-LL | type Assoc = bool;
- | ^^^^^^^^^^^^^^^^^^ the trait `Bar` is not implemented for `bool`
error[E0277]: the trait bound `bool: Bar` is not satisfied
--> $DIR/point-at-type-on-obligation-failure-2.rs:30:5
|
+LL | type Assoc = bool;
+ | ^^^^^^^^^^^^^^^^^^ the trait `Bar` is not implemented for `bool`
+ |
+note: required by a bound in `Bat::Assoc`
+ --> $DIR/point-at-type-on-obligation-failure-2.rs:24:27
+ |
LL | <Self as Bat>::Assoc: Bar,
- | --- required by this bound in `Bat::Assoc`
+ | ^^^ required by this bound in `Bat::Assoc`
LL | {
LL | type Assoc;
| ----- required by a bound in this
-...
-LL | type Assoc = bool;
- | ^^^^^^^^^^^^^^^^^^ the trait `Bar` is not implemented for `bool`
error: aborting due to 3 previous errors
diff --git a/src/test/ui/associated-types/point-at-type-on-obligation-failure.stderr b/src/test/ui/associated-types/point-at-type-on-obligation-failure.stderr
index 7417a5aa3d43a..85ecba68be989 100644
--- a/src/test/ui/associated-types/point-at-type-on-obligation-failure.stderr
+++ b/src/test/ui/associated-types/point-at-type-on-obligation-failure.stderr
@@ -1,11 +1,14 @@
error[E0271]: type mismatch resolving `<Foo2 as Bar2>::Ok == ()`
--> $DIR/point-at-type-on-obligation-failure.rs:14:5
|
-LL | type Sibling: Bar2<Ok=Self::Ok>;
- | ----------- required by this bound in `Bar::Sibling`
-...
LL | type Sibling = Foo2;
| ^^^^^^^^^^^^^^^^^^^^ expected `()`, found `u32`
+ |
+note: required by a bound in `Bar::Sibling`
+ --> $DIR/point-at-type-on-obligation-failure.rs:3:24
+ |
+LL | type Sibling: Bar2<Ok=Self::Ok>;
+ | ^^^^^^^^^^^ required by this bound in `Bar::Sibling`
error: aborting due to previous error
diff --git a/src/test/ui/associated-types/trait-with-supertraits-needing-sized-self.stderr b/src/test/ui/associated-types/trait-with-supertraits-needing-sized-self.stderr
index 529b0f76c50d2..558b0f5c8a368 100644
--- a/src/test/ui/associated-types/trait-with-supertraits-needing-sized-self.stderr
+++ b/src/test/ui/associated-types/trait-with-supertraits-needing-sized-self.stderr
@@ -4,11 +4,11 @@ error[E0277]: the size for values of type `Self` cannot be known at compilation
LL | trait ArithmeticOps: Add<Output=Self> + Sub<Output=Self> + Mul<Output=Self> + Div<Output=Self> {}
| ^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
|
- ::: $SRC_DIR/core/src/ops/arith.rs:LL:COL
+note: required by a bound in `Add`
+ --> $SRC_DIR/core/src/ops/arith.rs:LL:COL
|
LL | pub trait Add<Rhs = Self> {
- | --- required by this bound in `Add`
- |
+ | ^^^ required by this bound in `Add`
help: consider further restricting `Self`
|
LL | trait ArithmeticOps: Add<Output=Self> + Sub<Output=Self> + Mul<Output=Self> + Div<Output=Self> + Sized {}
diff --git a/src/test/ui/async-await/async-fn-nonsend.stderr b/src/test/ui/async-await/async-fn-nonsend.stderr
index cd0db4cc01a62..d509ff3598b50 100644
--- a/src/test/ui/async-await/async-fn-nonsend.stderr
+++ b/src/test/ui/async-await/async-fn-nonsend.stderr
@@ -1,9 +1,6 @@
error: future cannot be sent between threads safely
--> $DIR/async-fn-nonsend.rs:49:5
|
-LL | fn assert_send(_: impl Send) {}
- | ---- required by this bound in `assert_send`
-...
LL | assert_send(local_dropped_before_await());
| ^^^^^^^^^^^ future returned by `local_dropped_before_await` is not `Send`
|
@@ -18,13 +15,15 @@ LL | fut().await;
| ^^^^^^^^^^^ await occurs here, with `x` maybe used later
LL | }
| - `x` is later dropped here
+note: required by a bound in `assert_send`
+ --> $DIR/async-fn-nonsend.rs:46:24
+ |
+LL | fn assert_send(_: impl Send) {}
+ | ^^^^ required by this bound in `assert_send`
error: future cannot be sent between threads safely
--> $DIR/async-fn-nonsend.rs:51:5
|
-LL | fn assert_send(_: impl Send) {}
- | ---- required by this bound in `assert_send`
-...
LL | assert_send(non_send_temporary_in_match());
| ^^^^^^^^^^^ future returned by `non_send_temporary_in_match` is not `Send`
|
@@ -39,13 +38,15 @@ LL | Some(_) => fut().await,
...
LL | }
| - `non_send()` is later dropped here
+note: required by a bound in `assert_send`
+ --> $DIR/async-fn-nonsend.rs:46:24
+ |
+LL | fn assert_send(_: impl Send) {}
+ | ^^^^ required by this bound in `assert_send`
error: future cannot be sent between threads safely
--> $DIR/async-fn-nonsend.rs:53:5
|
-LL | fn assert_send(_: impl Send) {}
- | ---- required by this bound in `assert_send`
-...
LL | assert_send(non_sync_with_method_call());
| ^^^^^^^^^^^ future returned by `non_sync_with_method_call` is not `Send`
|
@@ -61,6 +62,11 @@ LL | fut().await;
LL | }
LL | }
| - `f` is later dropped here
+note: required by a bound in `assert_send`
+ --> $DIR/async-fn-nonsend.rs:46:24
+ |
+LL | fn assert_send(_: impl Send) {}
+ | ^^^^ required by this bound in `assert_send`
error: aborting due to 3 previous errors
diff --git a/src/test/ui/async-await/issue-64130-1-sync.stderr b/src/test/ui/async-await/issue-64130-1-sync.stderr
index ab7323680013f..69c7ff47456c0 100644
--- a/src/test/ui/async-await/issue-64130-1-sync.stderr
+++ b/src/test/ui/async-await/issue-64130-1-sync.stderr
@@ -1,9 +1,6 @@
error: future cannot be shared between threads safely
--> $DIR/issue-64130-1-sync.rs:21:5
|
-LL | fn is_sync<T: Sync>(t: T) { }
- | ---- required by this bound in `is_sync`
-...
LL | is_sync(bar());
| ^^^^^^^ future returned by `bar` is not `Sync`
|
@@ -17,6 +14,11 @@ LL | baz().await;
| ^^^^^^^^^^^ await occurs here, with `x` maybe used later
LL | }
| - `x` is later dropped here
+note: required by a bound in `is_sync`
+ --> $DIR/issue-64130-1-sync.rs:11:15
+ |
+LL | fn is_sync<T: Sync>(t: T) { }
+ | ^^^^ required by this bound in `is_sync`
error: aborting due to previous error
diff --git a/src/test/ui/async-await/issue-64130-2-send.stderr b/src/test/ui/async-await/issue-64130-2-send.stderr
index 5f7440a72d230..933e9296848e9 100644
--- a/src/test/ui/async-await/issue-64130-2-send.stderr
+++ b/src/test/ui/async-await/issue-64130-2-send.stderr
@@ -1,9 +1,6 @@
error: future cannot be sent between threads safely
--> $DIR/issue-64130-2-send.rs:21:5
|
-LL | fn is_send<T: Send>(t: T) { }
- | ---- required by this bound in `is_send`
-...
LL | is_send(bar());
| ^^^^^^^ future returned by `bar` is not `Send`
|
@@ -17,6 +14,11 @@ LL | baz().await;
| ^^^^^^^^^^^ await occurs here, with `x` maybe used later
LL | }
| - `x` is later dropped here
+note: required by a bound in `is_send`
+ --> $DIR/issue-64130-2-send.rs:11:15
+ |
+LL | fn is_send<T: Send>(t: T) { }
+ | ^^^^ required by this bound in `is_send`
error: aborting due to previous error
diff --git a/src/test/ui/async-await/issue-64130-3-other.stderr b/src/test/ui/async-await/issue-64130-3-other.stderr
index 9ffdd0524c663..ec0fdd4a5551d 100644
--- a/src/test/ui/async-await/issue-64130-3-other.stderr
+++ b/src/test/ui/async-await/issue-64130-3-other.stderr
@@ -1,9 +1,6 @@
error[E0277]: the trait bound `Foo: Qux` is not satisfied in `impl Future`
--> $DIR/issue-64130-3-other.rs:24:5
|
-LL | fn is_qux<T: Qux>(t: T) { }
- | --- required by this bound in `is_qux`
-LL |
LL | async fn bar() {
| - within this `impl Future`
...
@@ -19,6 +16,11 @@ LL | baz().await;
| ^^^^^^^^^^^ await occurs here, with `x` maybe used later
LL | }
| - `x` is later dropped here
+note: required by a bound in `is_qux`
+ --> $DIR/issue-64130-3-other.rs:14:14
+ |
+LL | fn is_qux<T: Qux>(t: T) { }
+ | ^^^ required by this bound in `is_qux`
error: aborting due to previous error
diff --git a/src/test/ui/async-await/issue-64130-non-send-future-diags.stderr b/src/test/ui/async-await/issue-64130-non-send-future-diags.stderr
index 2d6615cd5d34c..472fffa61b791 100644
--- a/src/test/ui/async-await/issue-64130-non-send-future-diags.stderr
+++ b/src/test/ui/async-await/issue-64130-non-send-future-diags.stderr
@@ -1,9 +1,6 @@
error: future cannot be sent between threads safely
--> $DIR/issue-64130-non-send-future-diags.rs:21:5
|
-LL | fn is_send<T: Send>(t: T) { }
- | ---- required by this bound in `is_send`
-...
LL | is_send(foo());
| ^^^^^^^ future returned by `foo` is not `Send`
|
@@ -17,6 +14,11 @@ LL | baz().await;
| ^^^^^^^^^^^ await occurs here, with `g` maybe used later
LL | }
| - `g` is later dropped here
+note: required by a bound in `is_send`
+ --> $DIR/issue-64130-non-send-future-diags.rs:7:15
+ |
+LL | fn is_send<T: Send>(t: T) { }
+ | ^^^^ required by this bound in `is_send`
error: aborting due to previous error
diff --git a/src/test/ui/async-await/issue-67252-unnamed-future.stderr b/src/test/ui/async-await/issue-67252-unnamed-future.stderr
index 741623040c647..d046e2a05611c 100644
--- a/src/test/ui/async-await/issue-67252-unnamed-future.stderr
+++ b/src/test/ui/async-await/issue-67252-unnamed-future.stderr
@@ -1,9 +1,6 @@
error: future cannot be sent between threads safely
--> $DIR/issue-67252-unnamed-future.rs:18:5
|
-LL | fn spawn<T: Send>(_: T) {}
- | ---- required by this bound in `spawn`
-...
LL | spawn(async {
| ^^^^^ future created by async block is not `Send`
|
@@ -17,6 +14,11 @@ LL | AFuture.await;
| ^^^^^^^^^^^^^ await occurs here, with `_a` maybe used later
LL | });
| - `_a` is later dropped here
+note: required by a bound in `spawn`
+ --> $DIR/issue-67252-unnamed-future.rs:6:13
+ |
+LL | fn spawn<T: Send>(_: T) {}
+ | ^^^^ required by this bound in `spawn`
error: aborting due to previous error
diff --git a/src/test/ui/async-await/issue-68112.stderr b/src/test/ui/async-await/issue-68112.stderr
index 62a1f451a1c7e..6b8e49a21a670 100644
--- a/src/test/ui/async-await/issue-68112.stderr
+++ b/src/test/ui/async-await/issue-68112.stderr
@@ -1,9 +1,6 @@
error: future cannot be sent between threads safely
--> $DIR/issue-68112.rs:34:5
|
-LL | fn require_send(_: impl Send) {}
- | ---- required by this bound in `require_send`
-...
LL | require_send(send_fut);
| ^^^^^^^^^^^^ future created by async block is not `Send`
|
@@ -13,13 +10,15 @@ note: future is not `Send` as it awaits another future which is not `Send`
|
LL | let _ = non_send_fut.await;
| ^^^^^^^^^^^^ await occurs here on type `impl Future`, which is not `Send`
+note: required by a bound in `require_send`
+ --> $DIR/issue-68112.rs:11:25
+ |
+LL | fn require_send(_: impl Send) {}
+ | ^^^^ required by this bound in `require_send`
error: future cannot be sent between threads safely
--> $DIR/issue-68112.rs:43:5
|
-LL | fn require_send(_: impl Send) {}
- | ---- required by this bound in `require_send`
-...
LL | require_send(send_fut);
| ^^^^^^^^^^^^ future created by async block is not `Send`
|
@@ -29,13 +28,15 @@ note: future is not `Send` as it awaits another future which is not `Send`
|
LL | let _ = make_non_send_future1().await;
| ^^^^^^^^^^^^^^^^^^^^^^^ await occurs here on type `impl Future`, which is not `Send`
+note: required by a bound in `require_send`
+ --> $DIR/issue-68112.rs:11:25
+ |
+LL | fn require_send(_: impl Send) {}
+ | ^^^^ required by this bound in `require_send`
error[E0277]: `RefCell<i32>` cannot be shared between threads safely
--> $DIR/issue-68112.rs:60:5
|
-LL | fn require_send(_: impl Send) {}
- | ---- required by this bound in `require_send`
-...
LL | require_send(send_fut);
| ^^^^^^^^^^^^ `RefCell<i32>` cannot be shared between threads safely
|
@@ -50,6 +51,11 @@ LL | require_send(send_fut);
= note: required because it appears within the type `[static generator@$DIR/issue-68112.rs:55:26: 59:6]`
= note: required because it appears within the type `from_generator::GenFuture<[static generator@$DIR/issue-68112.rs:55:26: 59:6]>`
= note: required because it appears within the type `impl Future`
+note: required by a bound in `require_send`
+ --> $DIR/issue-68112.rs:11:25
+ |
+LL | fn require_send(_: impl Send) {}
+ | ^^^^ required by this bound in `require_send`
error: aborting due to 3 previous errors
diff --git a/src/test/ui/async-await/issue-71137.stderr b/src/test/ui/async-await/issue-71137.stderr
index 85cc7069b604d..8903c09c17f0d 100644
--- a/src/test/ui/async-await/issue-71137.stderr
+++ b/src/test/ui/async-await/issue-71137.stderr
@@ -1,9 +1,6 @@
error: future cannot be sent between threads safely
--> $DIR/issue-71137.rs:20:3
|
-LL | fn fake_spawn<F: Future + Send + 'static>(f: F) { }
- | ---- required by this bound in `fake_spawn`
-...
LL | fake_spawn(wrong_mutex());
| ^^^^^^^^^^ future returned by `wrong_mutex` is not `Send`
|
@@ -18,6 +15,11 @@ LL | (async { "right"; }).await;
LL | *guard += 1;
LL | }
| - `mut guard` is later dropped here
+note: required by a bound in `fake_spawn`
+ --> $DIR/issue-71137.rs:6:27
+ |
+LL | fn fake_spawn<F: Future + Send + 'static>(f: F) { }
+ | ^^^^ required by this bound in `fake_spawn`
error: aborting due to previous error
diff --git a/src/test/ui/async-await/issue-72442.stderr b/src/test/ui/async-await/issue-72442.stderr
index b586207a25ffd..b79b6bc449233 100644
--- a/src/test/ui/async-await/issue-72442.stderr
+++ b/src/test/ui/async-await/issue-72442.stderr
@@ -4,10 +4,11 @@ error[E0277]: the trait bound `Option<&str>: AsRef<Path>` is not satisfied
LL | let mut f = File::open(path.to_str())?;
| ^^^^^^^^^^^^^ the trait `AsRef<Path>` is not implemented for `Option<&str>`
|
- ::: $SRC_DIR/std/src/fs.rs:LL:COL
+note: required by a bound in `File::open`
+ --> $SRC_DIR/std/src/fs.rs:LL:COL
|
LL | pub fn open<P: AsRef<Path>>(path: P) -> io::Result<File> {
- | ----------- required by this bound in `File::open`
+ | ^^^^^^^^^^^ required by this bound in `File::open`
error: aborting due to previous error
diff --git a/src/test/ui/async-await/issues/issue-65436-raw-ptr-not-send.stderr b/src/test/ui/async-await/issues/issue-65436-raw-ptr-not-send.stderr
index 5568dab86556a..666ef851ad66f 100644
--- a/src/test/ui/async-await/issues/issue-65436-raw-ptr-not-send.stderr
+++ b/src/test/ui/async-await/issues/issue-65436-raw-ptr-not-send.stderr
@@ -1,9 +1,6 @@
error: future cannot be sent between threads safely
--> $DIR/issue-65436-raw-ptr-not-send.rs:12:5
|
-LL | fn assert_send<T: Send>(_: T) {}
- | ---- required by this bound in `assert_send`
-...
LL | assert_send(async {
| ^^^^^^^^^^^ future created by async block is not `Send`
|
@@ -25,6 +22,11 @@ help: consider moving this into a `let` binding to create a shorter lived borrow
|
LL | bar(Foo(std::ptr::null())).await;
| ^^^^^^^^^^^^^^^^^^^^^
+note: required by a bound in `assert_send`
+ --> $DIR/issue-65436-raw-ptr-not-send.rs:9:19
+ |
+LL | fn assert_send<T: Send>(_: T) {}
+ | ^^^^ required by this bound in `assert_send`
error: aborting due to previous error
diff --git a/src/test/ui/async-await/issues/issue-67893.stderr b/src/test/ui/async-await/issues/issue-67893.stderr
index 39e50a106acab..c4b55e6ec2022 100644
--- a/src/test/ui/async-await/issues/issue-67893.stderr
+++ b/src/test/ui/async-await/issues/issue-67893.stderr
@@ -1,9 +1,6 @@
error[E0277]: `MutexGuard<'_, ()>` cannot be sent between threads safely
--> $DIR/issue-67893.rs:9:5
|
-LL | fn g(_: impl Send) {}
- | ---- required by this bound in `g`
-...
LL | g(issue_67893::run())
| ^ `MutexGuard<'_, ()>` cannot be sent between threads safely
|
@@ -18,6 +15,11 @@ LL | pub async fn run() {
= note: required because it appears within the type `from_generator::GenFuture<[static generator@run::{closure#0}]>`
= note: required because it appears within the type `impl Future`
= note: required because it appears within the type `impl Future`
+note: required by a bound in `g`
+ --> $DIR/issue-67893.rs:6:14
+ |
+LL | fn g(_: impl Send) {}
+ | ^^^^ required by this bound in `g`
error: aborting due to previous error
diff --git a/src/test/ui/auto-traits/typeck-default-trait-impl-constituent-types-2.stderr b/src/test/ui/auto-traits/typeck-default-trait-impl-constituent-types-2.stderr
index c2eab1a33b91a..7d6bf58f51696 100644
--- a/src/test/ui/auto-traits/typeck-default-trait-impl-constituent-types-2.stderr
+++ b/src/test/ui/auto-traits/typeck-default-trait-impl-constituent-types-2.stderr
@@ -1,13 +1,15 @@
error[E0277]: the trait bound `MyS2: MyTrait` is not satisfied in `(MyS2, MyS)`
--> $DIR/typeck-default-trait-impl-constituent-types-2.rs:17:5
|
-LL | fn is_mytrait<T: MyTrait>() {}
- | ------- required by this bound in `is_mytrait`
-...
LL | is_mytrait::<(MyS2, MyS)>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^ within `(MyS2, MyS)`, the trait `MyTrait` is not implemented for `MyS2`
|
= note: required because it appears within the type `(MyS2, MyS)`
+note: required by a bound in `is_mytrait`
+ --> $DIR/typeck-default-trait-impl-constituent-types-2.rs:12:18
+ |
+LL | fn is_mytrait<T: MyTrait>() {}
+ | ^^^^^^^ required by this bound in `is_mytrait`
error: aborting due to previous error
diff --git a/src/test/ui/auto-traits/typeck-default-trait-impl-constituent-types.stderr b/src/test/ui/auto-traits/typeck-default-trait-impl-constituent-types.stderr
index efb6bde17990f..c575c485a85f7 100644
--- a/src/test/ui/auto-traits/typeck-default-trait-impl-constituent-types.stderr
+++ b/src/test/ui/auto-traits/typeck-default-trait-impl-constituent-types.stderr
@@ -1,11 +1,14 @@
error[E0277]: the trait bound `MyS2: MyTrait` is not satisfied
--> $DIR/typeck-default-trait-impl-constituent-types.rs:21:18
|
-LL | fn is_mytrait<T: MyTrait>() {}
- | ------- required by this bound in `is_mytrait`
-...
LL | is_mytrait::<MyS2>();
| ^^^^ the trait `MyTrait` is not implemented for `MyS2`
+ |
+note: required by a bound in `is_mytrait`
+ --> $DIR/typeck-default-trait-impl-constituent-types.rs:16:18
+ |
+LL | fn is_mytrait<T: MyTrait>() {}
+ | ^^^^^^^ required by this bound in `is_mytrait`
error: aborting due to previous error
diff --git a/src/test/ui/auto-traits/typeck-default-trait-impl-negation.stderr b/src/test/ui/auto-traits/typeck-default-trait-impl-negation.stderr
index dae87bc221a6f..fa8dd41da237b 100644
--- a/src/test/ui/auto-traits/typeck-default-trait-impl-negation.stderr
+++ b/src/test/ui/auto-traits/typeck-default-trait-impl-negation.stderr
@@ -1,20 +1,26 @@
error[E0277]: the trait bound `ThisImplsUnsafeTrait: MyTrait` is not satisfied
--> $DIR/typeck-default-trait-impl-negation.rs:22:19
|
-LL | fn is_my_trait<T: MyTrait>() {}
- | ------- required by this bound in `is_my_trait`
-...
LL | is_my_trait::<ThisImplsUnsafeTrait>();
| ^^^^^^^^^^^^^^^^^^^^ the trait `MyTrait` is not implemented for `ThisImplsUnsafeTrait`
+ |
+note: required by a bound in `is_my_trait`
+ --> $DIR/typeck-default-trait-impl-negation.rs:17:19
+ |
+LL | fn is_my_trait<T: MyTrait>() {}
+ | ^^^^^^^ required by this bound in `is_my_trait`
error[E0277]: the trait bound `ThisImplsTrait: MyUnsafeTrait` is not satisfied
--> $DIR/typeck-default-trait-impl-negation.rs:25:26
|
-LL | fn is_my_unsafe_trait<T: MyUnsafeTrait>() {}
- | ------------- required by this bound in `is_my_unsafe_trait`
-...
LL | is_my_unsafe_trait::<ThisImplsTrait>();
| ^^^^^^^^^^^^^^ the trait `MyUnsafeTrait` is not implemented for `ThisImplsTrait`
+ |
+note: required by a bound in `is_my_unsafe_trait`
+ --> $DIR/typeck-default-trait-impl-negation.rs:18:26
+ |
+LL | fn is_my_unsafe_trait<T: MyUnsafeTrait>() {}
+ | ^^^^^^^^^^^^^ required by this bound in `is_my_unsafe_trait`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/auto-traits/typeck-default-trait-impl-precedence.stderr b/src/test/ui/auto-traits/typeck-default-trait-impl-precedence.stderr
index 5962d19129288..c98925a7b1df7 100644
--- a/src/test/ui/auto-traits/typeck-default-trait-impl-precedence.stderr
+++ b/src/test/ui/auto-traits/typeck-default-trait-impl-precedence.stderr
@@ -1,13 +1,15 @@
error[E0277]: the trait bound `u32: Signed` is not satisfied
--> $DIR/typeck-default-trait-impl-precedence.rs:19:5
|
-LL | fn is_defaulted<T:Defaulted>() { }
- | --------- required by this bound in `is_defaulted`
-...
LL | is_defaulted::<&'static u32>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Signed` is not implemented for `u32`
|
= note: required because of the requirements on the impl of `Defaulted` for `&'static u32`
+note: required by a bound in `is_defaulted`
+ --> $DIR/typeck-default-trait-impl-precedence.rs:12:19
+ |
+LL | fn is_defaulted<T:Defaulted>() { }
+ | ^^^^^^^^^ required by this bound in `is_defaulted`
error: aborting due to previous error
diff --git a/src/test/ui/bound-suggestions.stderr b/src/test/ui/bound-suggestions.stderr
index ebad4b023563e..04f233a1e87af 100644
--- a/src/test/ui/bound-suggestions.stderr
+++ b/src/test/ui/bound-suggestions.stderr
@@ -76,11 +76,11 @@ error[E0277]: the size for values of type `Self` cannot be known at compilation
LL | const SIZE: usize = core::mem::size_of::<Self>();
| ^^^^ doesn't have a size known at compile-time
|
- ::: $SRC_DIR/core/src/mem/mod.rs:LL:COL
+note: required by a bound in `std::mem::size_of`
+ --> $SRC_DIR/core/src/mem/mod.rs:LL:COL
|
LL | pub const fn size_of<T>() -> usize {
- | - required by this bound in `std::mem::size_of`
- |
+ | ^ required by this bound in `std::mem::size_of`
help: consider further restricting `Self`
|
LL | trait Foo<T>: Sized {
@@ -92,11 +92,11 @@ error[E0277]: the size for values of type `Self` cannot be known at compilation
LL | const SIZE: usize = core::mem::size_of::<Self>();
| ^^^^ doesn't have a size known at compile-time
|
- ::: $SRC_DIR/core/src/mem/mod.rs:LL:COL
+note: required by a bound in `std::mem::size_of`
+ --> $SRC_DIR/core/src/mem/mod.rs:LL:COL
|
LL | pub const fn size_of<T>() -> usize {
- | - required by this bound in `std::mem::size_of`
- |
+ | ^ required by this bound in `std::mem::size_of`
help: consider further restricting `Self`
|
LL | trait Bar: std::fmt::Display + Sized {
@@ -108,11 +108,11 @@ error[E0277]: the size for values of type `Self` cannot be known at compilation
LL | const SIZE: usize = core::mem::size_of::<Self>();
| ^^^^ doesn't have a size known at compile-time
|
- ::: $SRC_DIR/core/src/mem/mod.rs:LL:COL
+note: required by a bound in `std::mem::size_of`
+ --> $SRC_DIR/core/src/mem/mod.rs:LL:COL
|
LL | pub const fn size_of<T>() -> usize {
- | - required by this bound in `std::mem::size_of`
- |
+ | ^ required by this bound in `std::mem::size_of`
help: consider further restricting `Self`
|
LL | trait Baz: Sized where Self: std::fmt::Display {
@@ -124,11 +124,11 @@ error[E0277]: the size for values of type `Self` cannot be known at compilation
LL | const SIZE: usize = core::mem::size_of::<Self>();
| ^^^^ doesn't have a size known at compile-time
|
- ::: $SRC_DIR/core/src/mem/mod.rs:LL:COL
+note: required by a bound in `std::mem::size_of`
+ --> $SRC_DIR/core/src/mem/mod.rs:LL:COL
|
LL | pub const fn size_of<T>() -> usize {
- | - required by this bound in `std::mem::size_of`
- |
+ | ^ required by this bound in `std::mem::size_of`
help: consider further restricting `Self`
|
LL | trait Qux<T>: Sized where Self: std::fmt::Display {
@@ -140,11 +140,11 @@ error[E0277]: the size for values of type `Self` cannot be known at compilation
LL | const SIZE: usize = core::mem::size_of::<Self>();
| ^^^^ doesn't have a size known at compile-time
|
- ::: $SRC_DIR/core/src/mem/mod.rs:LL:COL
+note: required by a bound in `std::mem::size_of`
+ --> $SRC_DIR/core/src/mem/mod.rs:LL:COL
|
LL | pub const fn size_of<T>() -> usize {
- | - required by this bound in `std::mem::size_of`
- |
+ | ^ required by this bound in `std::mem::size_of`
help: consider further restricting `Self`
|
LL | trait Bat<T>: std::fmt::Display + Sized {
diff --git a/src/test/ui/builtin-superkinds/builtin-superkinds-double-superkind.stderr b/src/test/ui/builtin-superkinds/builtin-superkinds-double-superkind.stderr
index d0df241f747ac..492316f0027e4 100644
--- a/src/test/ui/builtin-superkinds/builtin-superkinds-double-superkind.stderr
+++ b/src/test/ui/builtin-superkinds/builtin-superkinds-double-superkind.stderr
@@ -1,13 +1,15 @@
error[E0277]: `T` cannot be sent between threads safely
--> $DIR/builtin-superkinds-double-superkind.rs:6:24
|
-LL | trait Foo : Send+Sync { }
- | ---- required by this bound in `Foo`
-LL |
LL | impl <T: Sync+'static> Foo for (T,) { }
| ^^^ `T` cannot be sent between threads safely
|
= note: required because it appears within the type `(T,)`
+note: required by a bound in `Foo`
+ --> $DIR/builtin-superkinds-double-superkind.rs:4:13
+ |
+LL | trait Foo : Send+Sync { }
+ | ^^^^ required by this bound in `Foo`
help: consider further restricting this bound
|
LL | impl <T: Sync+'static + std::marker::Send> Foo for (T,) { }
@@ -16,13 +18,15 @@ LL | impl <T: Sync+'static + std::marker::Send> Foo for (T,) { }
error[E0277]: `T` cannot be shared between threads safely
--> $DIR/builtin-superkinds-double-superkind.rs:9:16
|
-LL | trait Foo : Send+Sync { }
- | ---- required by this bound in `Foo`
-...
LL | impl <T: Send> Foo for (T,T) { }
| ^^^ `T` cannot be shared between threads safely
|
= note: required because it appears within the type `(T, T)`
+note: required by a bound in `Foo`
+ --> $DIR/builtin-superkinds-double-superkind.rs:4:18
+ |
+LL | trait Foo : Send+Sync { }
+ | ^^^^ required by this bound in `Foo`
help: consider further restricting this bound
|
LL | impl <T: Send + std::marker::Sync> Foo for (T,T) { }
diff --git a/src/test/ui/builtin-superkinds/builtin-superkinds-in-metadata.stderr b/src/test/ui/builtin-superkinds/builtin-superkinds-in-metadata.stderr
index 8233e781d6972..a46e4b2337ccd 100644
--- a/src/test/ui/builtin-superkinds/builtin-superkinds-in-metadata.stderr
+++ b/src/test/ui/builtin-superkinds/builtin-superkinds-in-metadata.stderr
@@ -4,16 +4,16 @@ error[E0277]: `T` cannot be sent between threads safely
LL | impl <T:Sync+'static> RequiresRequiresShareAndSend for X<T> { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `T` cannot be sent between threads safely
|
- ::: $DIR/auxiliary/trait_superkinds_in_metadata.rs:7:58
- |
-LL | pub trait RequiresRequiresShareAndSend : RequiresShare + Send { }
- | ---- required by this bound in `RequiresRequiresShareAndSend`
- |
note: required because it appears within the type `X<T>`
--> $DIR/builtin-superkinds-in-metadata.rs:9:8
|
LL | struct X<T>(T);
| ^
+note: required by a bound in `RequiresRequiresShareAndSend`
+ --> $DIR/auxiliary/trait_superkinds_in_metadata.rs:7:58
+ |
+LL | pub trait RequiresRequiresShareAndSend : RequiresShare + Send { }
+ | ^^^^ required by this bound in `RequiresRequiresShareAndSend`
help: consider further restricting this bound
|
LL | impl <T:Sync+'static + std::marker::Send> RequiresRequiresShareAndSend for X<T> { }
diff --git a/src/test/ui/builtin-superkinds/builtin-superkinds-simple.stderr b/src/test/ui/builtin-superkinds/builtin-superkinds-simple.stderr
index 0abe2052b215e..9db9cbfdb910b 100644
--- a/src/test/ui/builtin-superkinds/builtin-superkinds-simple.stderr
+++ b/src/test/ui/builtin-superkinds/builtin-superkinds-simple.stderr
@@ -1,13 +1,15 @@
error[E0277]: `Rc<i8>` cannot be sent between threads safely
--> $DIR/builtin-superkinds-simple.rs:6:6
|
-LL | trait Foo : Send { }
- | ---- required by this bound in `Foo`
-LL |
LL | impl Foo for std::rc::Rc<i8> { }
| ^^^ `Rc<i8>` cannot be sent between threads safely
|
= help: the trait `Send` is not implemented for `Rc<i8>`
+note: required by a bound in `Foo`
+ --> $DIR/builtin-superkinds-simple.rs:4:13
+ |
+LL | trait Foo : Send { }
+ | ^^^^ required by this bound in `Foo`
error: aborting due to previous error
diff --git a/src/test/ui/builtin-superkinds/builtin-superkinds-typaram-not-send.stderr b/src/test/ui/builtin-superkinds/builtin-superkinds-typaram-not-send.stderr
index 78121ad18ed74..3ec0b907d0cb5 100644
--- a/src/test/ui/builtin-superkinds/builtin-superkinds-typaram-not-send.stderr
+++ b/src/test/ui/builtin-superkinds/builtin-superkinds-typaram-not-send.stderr
@@ -1,12 +1,14 @@
error[E0277]: `T` cannot be sent between threads safely
--> $DIR/builtin-superkinds-typaram-not-send.rs:5:24
|
-LL | trait Foo : Send { }
- | ---- required by this bound in `Foo`
-LL |
LL | impl <T: Sync+'static> Foo for T { }
| ^^^ `T` cannot be sent between threads safely
|
+note: required by a bound in `Foo`
+ --> $DIR/builtin-superkinds-typaram-not-send.rs:3:13
+ |
+LL | trait Foo : Send { }
+ | ^^^^ required by this bound in `Foo`
help: consider further restricting this bound
|
LL | impl <T: Sync+'static + std::marker::Send> Foo for T { }
diff --git a/src/test/ui/chalkify/chalk_initial_program.stderr b/src/test/ui/chalkify/chalk_initial_program.stderr
index f2e13a6a46904..f8b792ae5363c 100644
--- a/src/test/ui/chalkify/chalk_initial_program.stderr
+++ b/src/test/ui/chalkify/chalk_initial_program.stderr
@@ -1,11 +1,14 @@
error[E0277]: the trait bound `f32: Foo` is not satisfied
--> $DIR/chalk_initial_program.rs:15:13
|
-LL | fn gimme<F: Foo>() { }
- | --- required by this bound in `gimme`
-...
LL | gimme::<f32>();
| ^^^ the trait `Foo` is not implemented for `f32`
+ |
+note: required by a bound in `gimme`
+ --> $DIR/chalk_initial_program.rs:9:13
+ |
+LL | fn gimme<F: Foo>() { }
+ | ^^^ required by this bound in `gimme`
error: aborting due to previous error
diff --git a/src/test/ui/chalkify/generic_impls.stderr b/src/test/ui/chalkify/generic_impls.stderr
index a6f5d1a608563..0c7fcd04dfd2d 100644
--- a/src/test/ui/chalkify/generic_impls.stderr
+++ b/src/test/ui/chalkify/generic_impls.stderr
@@ -1,26 +1,30 @@
error[E0277]: the trait bound `(Option<T>, f32): Foo` is not satisfied
--> $DIR/generic_impls.rs:12:13
|
-LL | fn gimme<F: Foo>() { }
- | --- required by this bound in `gimme`
-...
LL | gimme::<(Option<T>, f32)>();
| ^^^^^^^^^^^^^^^^ the trait `Foo` is not implemented for `(Option<T>, f32)`
|
= help: the following implementations were found:
<(T, u32) as Foo>
+note: required by a bound in `gimme`
+ --> $DIR/generic_impls.rs:7:13
+ |
+LL | fn gimme<F: Foo>() { }
+ | ^^^ required by this bound in `gimme`
error[E0277]: the trait bound `(i32, f32): Foo` is not satisfied
--> $DIR/generic_impls.rs:17:13
|
-LL | fn gimme<F: Foo>() { }
- | --- required by this bound in `gimme`
-...
LL | gimme::<(i32, f32)>();
| ^^^^^^^^^^ the trait `Foo` is not implemented for `(i32, f32)`
|
= help: the following implementations were found:
<(T, u32) as Foo>
+note: required by a bound in `gimme`
+ --> $DIR/generic_impls.rs:7:13
+ |
+LL | fn gimme<F: Foo>() { }
+ | ^^^ required by this bound in `gimme`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/chalkify/impl_wf.stderr b/src/test/ui/chalkify/impl_wf.stderr
index 24c7f0d82bdc8..95e320726aab0 100644
--- a/src/test/ui/chalkify/impl_wf.stderr
+++ b/src/test/ui/chalkify/impl_wf.stderr
@@ -1,22 +1,27 @@
error[E0277]: the size for values of type `str` cannot be known at compilation time
--> $DIR/impl_wf.rs:11:6
|
-LL | trait Foo: Sized { }
- | ----- required by this bound in `Foo`
-...
LL | impl Foo for str { }
| ^^^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `str`
+note: required by a bound in `Foo`
+ --> $DIR/impl_wf.rs:3:12
+ |
+LL | trait Foo: Sized { }
+ | ^^^^^ required by this bound in `Foo`
error[E0277]: the trait bound `f32: Foo` is not satisfied
--> $DIR/impl_wf.rs:22:6
|
-LL | trait Baz<U: ?Sized> where U: Foo { }
- | --- required by this bound in `Baz`
-...
LL | impl Baz<f32> for f32 { }
| ^^^^^^^^ the trait `Foo` is not implemented for `f32`
+ |
+note: required by a bound in `Baz`
+ --> $DIR/impl_wf.rs:18:31
+ |
+LL | trait Baz<U: ?Sized> where U: Foo { }
+ | ^^^ required by this bound in `Baz`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/chalkify/impl_wf_2.stderr b/src/test/ui/chalkify/impl_wf_2.stderr
index 1da2144c0a5d4..0aac962fdba9e 100644
--- a/src/test/ui/chalkify/impl_wf_2.stderr
+++ b/src/test/ui/chalkify/impl_wf_2.stderr
@@ -1,11 +1,14 @@
error[E0277]: the trait bound `f32: Foo` is not satisfied
--> $DIR/impl_wf_2.rs:25:5
|
-LL | type Item: Foo;
- | --- required by this bound in `Bar::Item`
-...
LL | type Item = f32;
| ^^^^^^^^^^^^^^^^ the trait `Foo` is not implemented for `f32`
+ |
+note: required by a bound in `Bar::Item`
+ --> $DIR/impl_wf_2.rs:8:16
+ |
+LL | type Item: Foo;
+ | ^^^ required by this bound in `Bar::Item`
error: aborting due to previous error
diff --git a/src/test/ui/chalkify/type_inference.stderr b/src/test/ui/chalkify/type_inference.stderr
index 91c46b953159e..a4a480ac64d7c 100644
--- a/src/test/ui/chalkify/type_inference.stderr
+++ b/src/test/ui/chalkify/type_inference.stderr
@@ -1,15 +1,17 @@
error[E0277]: the trait bound `{float}: Bar` is not satisfied
--> $DIR/type_inference.rs:27:14
|
-LL | fn only_bar<T: Bar>(_x: T) { }
- | --- required by this bound in `only_bar`
-...
LL | only_bar(x);
| ^ the trait `Bar` is not implemented for `{float}`
|
= help: the following implementations were found:
<i32 as Bar>
<u32 as Bar>
+note: required by a bound in `only_bar`
+ --> $DIR/type_inference.rs:12:16
+ |
+LL | fn only_bar<T: Bar>(_x: T) { }
+ | ^^^ required by this bound in `only_bar`
error: aborting due to previous error
diff --git a/src/test/ui/closure-expected-type/expect-infer-var-appearing-twice.stderr b/src/test/ui/closure-expected-type/expect-infer-var-appearing-twice.stderr
index 93b42a5a305f2..ba4c9b6338118 100644
--- a/src/test/ui/closure-expected-type/expect-infer-var-appearing-twice.stderr
+++ b/src/test/ui/closure-expected-type/expect-infer-var-appearing-twice.stderr
@@ -1,15 +1,18 @@
error[E0631]: type mismatch in closure arguments
--> $DIR/expect-infer-var-appearing-twice.rs:14:5
|
-LL | fn with_closure<F, A>(_: F)
- | ------------ required by a bound in this
-LL | where F: FnOnce(A, A)
- | ------------ required by this bound in `with_closure`
-...
LL | with_closure(|x: u32, y: i32| {
| ^^^^^^^^^^^^ ---------------- found signature of `fn(u32, i32) -> _`
| |
| expected signature of `fn(_, _) -> _`
+ |
+note: required by a bound in `with_closure`
+ --> $DIR/expect-infer-var-appearing-twice.rs:2:14
+ |
+LL | fn with_closure<F, A>(_: F)
+ | ------------ required by a bound in this
+LL | where F: FnOnce(A, A)
+ | ^^^^^^^^^^^^ required by this bound in `with_closure`
error: aborting due to previous error
diff --git a/src/test/ui/closures/closure-bounds-cant-promote-superkind-in-struct.stderr b/src/test/ui/closures/closure-bounds-cant-promote-superkind-in-struct.stderr
index b7f0571316f05..bf6ec5c36e480 100644
--- a/src/test/ui/closures/closure-bounds-cant-promote-superkind-in-struct.stderr
+++ b/src/test/ui/closures/closure-bounds-cant-promote-superkind-in-struct.stderr
@@ -1,12 +1,14 @@
error[E0277]: `F` cannot be sent between threads safely
--> $DIR/closure-bounds-cant-promote-superkind-in-struct.rs:5:22
|
-LL | struct X<F> where F: FnOnce() + 'static + Send {
- | ---- required by this bound in `X`
-...
LL | fn foo<F>(blk: F) -> X<F> where F: FnOnce() + 'static {
| ^^^^ `F` cannot be sent between threads safely
|
+note: required by a bound in `X`
+ --> $DIR/closure-bounds-cant-promote-superkind-in-struct.rs:1:43
+ |
+LL | struct X<F> where F: FnOnce() + 'static + Send {
+ | ^^^^ required by this bound in `X`
help: consider further restricting this bound
|
LL | fn foo<F>(blk: F) -> X<F> where F: FnOnce() + 'static + std::marker::Send {
diff --git a/src/test/ui/closures/closure-bounds-subtype.stderr b/src/test/ui/closures/closure-bounds-subtype.stderr
index 16b168db6810d..bfea4979decae 100644
--- a/src/test/ui/closures/closure-bounds-subtype.stderr
+++ b/src/test/ui/closures/closure-bounds-subtype.stderr
@@ -1,12 +1,14 @@
error[E0277]: `F` cannot be shared between threads safely
--> $DIR/closure-bounds-subtype.rs:13:22
|
-LL | fn take_const_owned<F>(_: F) where F: FnOnce() + Sync + Send {
- | ---- required by this bound in `take_const_owned`
-...
LL | take_const_owned(f);
| ^ `F` cannot be shared between threads safely
|
+note: required by a bound in `take_const_owned`
+ --> $DIR/closure-bounds-subtype.rs:4:50
+ |
+LL | fn take_const_owned<F>(_: F) where F: FnOnce() + Sync + Send {
+ | ^^^^ required by this bound in `take_const_owned`
help: consider further restricting this bound
|
LL | fn give_owned<F>(f: F) where F: FnOnce() + Send + std::marker::Sync {
diff --git a/src/test/ui/closures/closure-move-sync.stderr b/src/test/ui/closures/closure-move-sync.stderr
index b4e5db74e0348..618c9a172473c 100644
--- a/src/test/ui/closures/closure-move-sync.stderr
+++ b/src/test/ui/closures/closure-move-sync.stderr
@@ -4,14 +4,14 @@ error[E0277]: `std::sync::mpsc::Receiver<()>` cannot be shared between threads s
LL | let t = thread::spawn(|| {
| ^^^^^^^^^^^^^ `std::sync::mpsc::Receiver<()>` cannot be shared between threads safely
|
- ::: $SRC_DIR/std/src/thread/mod.rs:LL:COL
- |
-LL | F: Send + 'static,
- | ---- required by this bound in `spawn`
- |
= help: the trait `Sync` is not implemented for `std::sync::mpsc::Receiver<()>`
= note: required because of the requirements on the impl of `Send` for `&std::sync::mpsc::Receiver<()>`
= note: required because it appears within the type `[closure@$DIR/closure-move-sync.rs:6:27: 9:6]`
+note: required by a bound in `spawn`
+ --> $SRC_DIR/std/src/thread/mod.rs:LL:COL
+ |
+LL | F: Send + 'static,
+ | ^^^^ required by this bound in `spawn`
error[E0277]: `Sender<()>` cannot be shared between threads safely
--> $DIR/closure-move-sync.rs:18:5
@@ -19,14 +19,14 @@ error[E0277]: `Sender<()>` cannot be shared between threads safely
LL | thread::spawn(|| tx.send(()).unwrap());
| ^^^^^^^^^^^^^ `Sender<()>` cannot be shared between threads safely
|
- ::: $SRC_DIR/std/src/thread/mod.rs:LL:COL
- |
-LL | F: Send + 'static,
- | ---- required by this bound in `spawn`
- |
= help: the trait `Sync` is not implemented for `Sender<()>`
= note: required because of the requirements on the impl of `Send` for `&Sender<()>`
= note: required because it appears within the type `[closure@$DIR/closure-move-sync.rs:18:19: 18:42]`
+note: required by a bound in `spawn`
+ --> $SRC_DIR/std/src/thread/mod.rs:LL:COL
+ |
+LL | F: Send + 'static,
+ | ^^^^ required by this bound in `spawn`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/coherence/coherence-unsafe-trait-object-impl.stderr b/src/test/ui/coherence/coherence-unsafe-trait-object-impl.stderr
index 93a06fccbf53c..cf842b1908532 100644
--- a/src/test/ui/coherence/coherence-unsafe-trait-object-impl.stderr
+++ b/src/test/ui/coherence/coherence-unsafe-trait-object-impl.stderr
@@ -1,11 +1,14 @@
error[E0277]: the trait bound `&dyn Trait: Trait` is not satisfied
--> $DIR/coherence-unsafe-trait-object-impl.rs:15:13
|
-LL | fn takes_t<S: Trait>(s: S) {
- | ----- required by this bound in `takes_t`
-...
LL | takes_t(t);
| ^ the trait `Trait` is not implemented for `&dyn Trait`
+ |
+note: required by a bound in `takes_t`
+ --> $DIR/coherence-unsafe-trait-object-impl.rs:10:15
+ |
+LL | fn takes_t<S: Trait>(s: S) {
+ | ^^^^^ required by this bound in `takes_t`
error: aborting due to previous error
diff --git a/src/test/ui/const-generics/associated-type-bound-fail.full.stderr b/src/test/ui/const-generics/associated-type-bound-fail.full.stderr
index 6644e74f97a0b..7ab430ba830b3 100644
--- a/src/test/ui/const-generics/associated-type-bound-fail.full.stderr
+++ b/src/test/ui/const-generics/associated-type-bound-fail.full.stderr
@@ -1,14 +1,16 @@
error[E0277]: the trait bound `u16: Bar<N>` is not satisfied
--> $DIR/associated-type-bound-fail.rs:13:5
|
-LL | type Assoc: Bar<N>;
- | ------ required by this bound in `Foo::Assoc`
-...
LL | type Assoc = u16;
| ^^^^^^^^^^^^^^^^^ the trait `Bar<N>` is not implemented for `u16`
|
= help: the following implementations were found:
<u16 as Bar<3_usize>>
+note: required by a bound in `Foo::Assoc`
+ --> $DIR/associated-type-bound-fail.rs:8:17
+ |
+LL | type Assoc: Bar<N>;
+ | ^^^^^^ required by this bound in `Foo::Assoc`
error: aborting due to previous error
diff --git a/src/test/ui/const-generics/associated-type-bound-fail.min.stderr b/src/test/ui/const-generics/associated-type-bound-fail.min.stderr
index 6644e74f97a0b..7ab430ba830b3 100644
--- a/src/test/ui/const-generics/associated-type-bound-fail.min.stderr
+++ b/src/test/ui/const-generics/associated-type-bound-fail.min.stderr
@@ -1,14 +1,16 @@
error[E0277]: the trait bound `u16: Bar<N>` is not satisfied
--> $DIR/associated-type-bound-fail.rs:13:5
|
-LL | type Assoc: Bar<N>;
- | ------ required by this bound in `Foo::Assoc`
-...
LL | type Assoc = u16;
| ^^^^^^^^^^^^^^^^^ the trait `Bar<N>` is not implemented for `u16`
|
= help: the following implementations were found:
<u16 as Bar<3_usize>>
+note: required by a bound in `Foo::Assoc`
+ --> $DIR/associated-type-bound-fail.rs:8:17
+ |
+LL | type Assoc: Bar<N>;
+ | ^^^^^^ required by this bound in `Foo::Assoc`
error: aborting due to previous error
diff --git a/src/test/ui/const-generics/const-argument-if-length.full.stderr b/src/test/ui/const-generics/const-argument-if-length.full.stderr
index 4eec2b21be606..8e62147eb7e30 100644
--- a/src/test/ui/const-generics/const-argument-if-length.full.stderr
+++ b/src/test/ui/const-generics/const-argument-if-length.full.stderr
@@ -6,11 +6,11 @@ LL | pub const fn is_zst<T: ?Sized>() -> usize {
LL | if std::mem::size_of::<T>() == 0 {
| ^ doesn't have a size known at compile-time
|
- ::: $SRC_DIR/core/src/mem/mod.rs:LL:COL
+note: required by a bound in `std::mem::size_of`
+ --> $SRC_DIR/core/src/mem/mod.rs:LL:COL
|
LL | pub const fn size_of<T>() -> usize {
- | - required by this bound in `std::mem::size_of`
- |
+ | ^ required by this bound in `std::mem::size_of`
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
LL - pub const fn is_zst<T: ?Sized>() -> usize {
diff --git a/src/test/ui/const-generics/const_evaluatable_checked/abstract-const-as-cast-3.stderr b/src/test/ui/const-generics/const_evaluatable_checked/abstract-const-as-cast-3.stderr
index c5237fc6f2b31..f235eb443b829 100644
--- a/src/test/ui/const-generics/const_evaluatable_checked/abstract-const-as-cast-3.stderr
+++ b/src/test/ui/const-generics/const_evaluatable_checked/abstract-const-as-cast-3.stderr
@@ -1,9 +1,6 @@
error: unconstrained generic constant
--> $DIR/abstract-const-as-cast-3.rs:17:5
|
-LL | fn assert_impl<T: Trait>() {}
- | ----- required by this bound in `use_trait_impl::assert_impl`
-...
LL | assert_impl::<HasCastInTraitImpl<{ N + 1 }, { N as u128 }>>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
@@ -13,6 +10,11 @@ note: required because of the requirements on the impl of `Trait` for `HasCastIn
|
LL | impl<const O: usize> Trait for HasCastInTraitImpl<O, { O as u128 }> {}
| ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+note: required by a bound in `use_trait_impl::assert_impl`
+ --> $DIR/abstract-const-as-cast-3.rs:14:23
+ |
+LL | fn assert_impl<T: Trait>() {}
+ | ^^^^^ required by this bound in `use_trait_impl::assert_impl`
error[E0308]: mismatched types
--> $DIR/abstract-const-as-cast-3.rs:17:5
@@ -26,9 +28,6 @@ LL | assert_impl::<HasCastInTraitImpl<{ N + 1 }, { N as u128 }>>();
error: unconstrained generic constant
--> $DIR/abstract-const-as-cast-3.rs:20:5
|
-LL | fn assert_impl<T: Trait>() {}
- | ----- required by this bound in `use_trait_impl::assert_impl`
-...
LL | assert_impl::<HasCastInTraitImpl<{ N + 1 }, { N as _ }>>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
@@ -38,6 +37,11 @@ note: required because of the requirements on the impl of `Trait` for `HasCastIn
|
LL | impl<const O: usize> Trait for HasCastInTraitImpl<O, { O as u128 }> {}
| ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+note: required by a bound in `use_trait_impl::assert_impl`
+ --> $DIR/abstract-const-as-cast-3.rs:14:23
+ |
+LL | fn assert_impl<T: Trait>() {}
+ | ^^^^^ required by this bound in `use_trait_impl::assert_impl`
error[E0308]: mismatched types
--> $DIR/abstract-const-as-cast-3.rs:20:5
@@ -69,9 +73,6 @@ LL | assert_impl::<HasCastInTraitImpl<14, 13>>();
error: unconstrained generic constant
--> $DIR/abstract-const-as-cast-3.rs:35:5
|
-LL | fn assert_impl<T: Trait>() {}
- | ----- required by this bound in `use_trait_impl_2::assert_impl`
-...
LL | assert_impl::<HasCastInTraitImpl<{ N + 1 }, { N as u128 }>>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
@@ -81,6 +82,11 @@ note: required because of the requirements on the impl of `Trait` for `HasCastIn
|
LL | impl<const O: usize> Trait for HasCastInTraitImpl<O, { O as u128 }> {}
| ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+note: required by a bound in `use_trait_impl_2::assert_impl`
+ --> $DIR/abstract-const-as-cast-3.rs:32:23
+ |
+LL | fn assert_impl<T: Trait>() {}
+ | ^^^^^ required by this bound in `use_trait_impl_2::assert_impl`
error[E0308]: mismatched types
--> $DIR/abstract-const-as-cast-3.rs:35:5
@@ -94,9 +100,6 @@ LL | assert_impl::<HasCastInTraitImpl<{ N + 1 }, { N as u128 }>>();
error: unconstrained generic constant
--> $DIR/abstract-const-as-cast-3.rs:38:5
|
-LL | fn assert_impl<T: Trait>() {}
- | ----- required by this bound in `use_trait_impl_2::assert_impl`
-...
LL | assert_impl::<HasCastInTraitImpl<{ N + 1 }, { N as _ }>>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
@@ -106,6 +109,11 @@ note: required because of the requirements on the impl of `Trait` for `HasCastIn
|
LL | impl<const O: usize> Trait for HasCastInTraitImpl<O, { O as u128 }> {}
| ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+note: required by a bound in `use_trait_impl_2::assert_impl`
+ --> $DIR/abstract-const-as-cast-3.rs:32:23
+ |
+LL | fn assert_impl<T: Trait>() {}
+ | ^^^^^ required by this bound in `use_trait_impl_2::assert_impl`
error[E0308]: mismatched types
--> $DIR/abstract-const-as-cast-3.rs:38:5
diff --git a/src/test/ui/const-generics/const_evaluatable_checked/cross_crate_predicate.stderr b/src/test/ui/const-generics/const_evaluatable_checked/cross_crate_predicate.stderr
index ce7ec4d90b6bf..7b4d46b820976 100644
--- a/src/test/ui/const-generics/const_evaluatable_checked/cross_crate_predicate.stderr
+++ b/src/test/ui/const-generics/const_evaluatable_checked/cross_crate_predicate.stderr
@@ -4,12 +4,12 @@ error: unconstrained generic constant
LL | let _ = const_evaluatable_lib::test1::<T>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
- ::: $DIR/auxiliary/const_evaluatable_lib.rs:6:10
+ = help: try adding a `where` bound using this expression: `where [(); std::mem::size_of::<T>() - 1]:`
+note: required by a bound in `test1`
+ --> $DIR/auxiliary/const_evaluatable_lib.rs:6:10
|
LL | [u8; std::mem::size_of::<T>() - 1]: Sized,
- | ---------------------------- required by this bound in `test1`
- |
- = help: try adding a `where` bound using this expression: `where [(); std::mem::size_of::<T>() - 1]:`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `test1`
error: unconstrained generic constant
--> $DIR/cross_crate_predicate.rs:7:13
@@ -17,12 +17,12 @@ error: unconstrained generic constant
LL | let _ = const_evaluatable_lib::test1::<T>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
- ::: $DIR/auxiliary/const_evaluatable_lib.rs:4:27
+ = help: try adding a `where` bound using this expression: `where [(); std::mem::size_of::<T>() - 1]:`
+note: required by a bound in `test1`
+ --> $DIR/auxiliary/const_evaluatable_lib.rs:4:27
|
LL | pub fn test1<T>() -> [u8; std::mem::size_of::<T>() - 1]
- | ---------------------------- required by this bound in `test1`
- |
- = help: try adding a `where` bound using this expression: `where [(); std::mem::size_of::<T>() - 1]:`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `test1`
error: unconstrained generic constant
--> $DIR/cross_crate_predicate.rs:7:13
@@ -30,12 +30,12 @@ error: unconstrained generic constant
LL | let _ = const_evaluatable_lib::test1::<T>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
- ::: $DIR/auxiliary/const_evaluatable_lib.rs:6:10
+ = help: try adding a `where` bound using this expression: `where [(); std::mem::size_of::<T>() - 1]:`
+note: required by a bound in `test1`
+ --> $DIR/auxiliary/const_evaluatable_lib.rs:6:10
|
LL | [u8; std::mem::size_of::<T>() - 1]: Sized,
- | ---------------------------- required by this bound in `test1`
- |
- = help: try adding a `where` bound using this expression: `where [(); std::mem::size_of::<T>() - 1]:`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `test1`
error: unconstrained generic constant
--> $DIR/cross_crate_predicate.rs:7:13
@@ -43,12 +43,12 @@ error: unconstrained generic constant
LL | let _ = const_evaluatable_lib::test1::<T>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
- ::: $DIR/auxiliary/const_evaluatable_lib.rs:4:27
+ = help: try adding a `where` bound using this expression: `where [(); std::mem::size_of::<T>() - 1]:`
+note: required by a bound in `test1`
+ --> $DIR/auxiliary/const_evaluatable_lib.rs:4:27
|
LL | pub fn test1<T>() -> [u8; std::mem::size_of::<T>() - 1]
- | ---------------------------- required by this bound in `test1`
- |
- = help: try adding a `where` bound using this expression: `where [(); std::mem::size_of::<T>() - 1]:`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `test1`
error: aborting due to 4 previous errors
diff --git a/src/test/ui/const-generics/const_evaluatable_checked/object-safety-ok-infer-err.stderr b/src/test/ui/const-generics/const_evaluatable_checked/object-safety-ok-infer-err.stderr
index dd2c11e42c5d2..ce75314ada769 100644
--- a/src/test/ui/const-generics/const_evaluatable_checked/object-safety-ok-infer-err.stderr
+++ b/src/test/ui/const-generics/const_evaluatable_checked/object-safety-ok-infer-err.stderr
@@ -1,11 +1,14 @@
error[E0284]: type annotations needed: cannot satisfy `the constant `use_dyn::<{_: usize}>::{constant#0}` can be evaluated`
--> $DIR/object-safety-ok-infer-err.rs:20:5
|
-LL | fn use_dyn<const N: usize>(v: &dyn Foo<N>) where [u8; N + 1]: Sized {
- | ----- required by this bound in `use_dyn`
-...
LL | use_dyn(&());
| ^^^^^^^ cannot satisfy `the constant `use_dyn::<{_: usize}>::{constant#0}` can be evaluated`
+ |
+note: required by a bound in `use_dyn`
+ --> $DIR/object-safety-ok-infer-err.rs:14:55
+ |
+LL | fn use_dyn<const N: usize>(v: &dyn Foo<N>) where [u8; N + 1]: Sized {
+ | ^^^^^ required by this bound in `use_dyn`
error: aborting due to previous error
diff --git a/src/test/ui/const-generics/issues/issue-67185-2.full.stderr b/src/test/ui/const-generics/issues/issue-67185-2.full.stderr
index fa9c680d4b8dd..19f419c82fdf6 100644
--- a/src/test/ui/const-generics/issues/issue-67185-2.full.stderr
+++ b/src/test/ui/const-generics/issues/issue-67185-2.full.stderr
@@ -37,66 +37,74 @@ LL | | }
error[E0277]: the trait bound `[u16; 3]: Bar` is not satisfied
--> $DIR/issue-67185-2.rs:26:6
|
-LL | trait Foo
- | --- required by a bound in this
-...
-LL | <u8 as Baz>::Quaks: Bar,
- | --- required by this bound in `Foo`
-...
LL | impl Foo for FooImpl {}
| ^^^ the trait `Bar` is not implemented for `[u16; 3]`
|
= help: the following implementations were found:
<[[u16; 3]; 3] as Bar>
<[u16; 4] as Bar>
-
-error[E0277]: the trait bound `[[u16; 3]; 2]: Bar` is not satisfied
- --> $DIR/issue-67185-2.rs:26:6
+note: required by a bound in `Foo`
+ --> $DIR/issue-67185-2.rs:20:29
|
LL | trait Foo
| --- required by a bound in this
...
-LL | [<u8 as Baz>::Quaks; 2]: Bar,
- | --- required by this bound in `Foo`
-...
+LL | <u8 as Baz>::Quaks: Bar,
+ | ^^^ required by this bound in `Foo`
+
+error[E0277]: the trait bound `[[u16; 3]; 2]: Bar` is not satisfied
+ --> $DIR/issue-67185-2.rs:26:6
+ |
LL | impl Foo for FooImpl {}
| ^^^ the trait `Bar` is not implemented for `[[u16; 3]; 2]`
|
= help: the following implementations were found:
<[[u16; 3]; 3] as Bar>
<[u16; 4] as Bar>
-
-error[E0277]: the trait bound `[[u16; 3]; 2]: Bar` is not satisfied
- --> $DIR/issue-67185-2.rs:30:14
+note: required by a bound in `Foo`
+ --> $DIR/issue-67185-2.rs:19:34
|
LL | trait Foo
| --- required by a bound in this
...
LL | [<u8 as Baz>::Quaks; 2]: Bar,
- | --- required by this bound in `Foo`
-...
+ | ^^^ required by this bound in `Foo`
+
+error[E0277]: the trait bound `[[u16; 3]; 2]: Bar` is not satisfied
+ --> $DIR/issue-67185-2.rs:30:14
+ |
LL | fn f(_: impl Foo) {}
| ^^^ the trait `Bar` is not implemented for `[[u16; 3]; 2]`
|
= help: the following implementations were found:
<[[u16; 3]; 3] as Bar>
<[u16; 4] as Bar>
-
-error[E0277]: the trait bound `[u16; 3]: Bar` is not satisfied
- --> $DIR/issue-67185-2.rs:30:14
+note: required by a bound in `Foo`
+ --> $DIR/issue-67185-2.rs:19:34
|
LL | trait Foo
| --- required by a bound in this
...
-LL | <u8 as Baz>::Quaks: Bar,
- | --- required by this bound in `Foo`
-...
+LL | [<u8 as Baz>::Quaks; 2]: Bar,
+ | ^^^ required by this bound in `Foo`
+
+error[E0277]: the trait bound `[u16; 3]: Bar` is not satisfied
+ --> $DIR/issue-67185-2.rs:30:14
+ |
LL | fn f(_: impl Foo) {}
| ^^^ the trait `Bar` is not implemented for `[u16; 3]`
|
= help: the following implementations were found:
<[[u16; 3]; 3] as Bar>
<[u16; 4] as Bar>
+note: required by a bound in `Foo`
+ --> $DIR/issue-67185-2.rs:20:29
+ |
+LL | trait Foo
+ | --- required by a bound in this
+...
+LL | <u8 as Baz>::Quaks: Bar,
+ | ^^^ required by this bound in `Foo`
error: aborting due to 6 previous errors
diff --git a/src/test/ui/const-generics/issues/issue-67185-2.min.stderr b/src/test/ui/const-generics/issues/issue-67185-2.min.stderr
index fa9c680d4b8dd..19f419c82fdf6 100644
--- a/src/test/ui/const-generics/issues/issue-67185-2.min.stderr
+++ b/src/test/ui/const-generics/issues/issue-67185-2.min.stderr
@@ -37,66 +37,74 @@ LL | | }
error[E0277]: the trait bound `[u16; 3]: Bar` is not satisfied
--> $DIR/issue-67185-2.rs:26:6
|
-LL | trait Foo
- | --- required by a bound in this
-...
-LL | <u8 as Baz>::Quaks: Bar,
- | --- required by this bound in `Foo`
-...
LL | impl Foo for FooImpl {}
| ^^^ the trait `Bar` is not implemented for `[u16; 3]`
|
= help: the following implementations were found:
<[[u16; 3]; 3] as Bar>
<[u16; 4] as Bar>
-
-error[E0277]: the trait bound `[[u16; 3]; 2]: Bar` is not satisfied
- --> $DIR/issue-67185-2.rs:26:6
+note: required by a bound in `Foo`
+ --> $DIR/issue-67185-2.rs:20:29
|
LL | trait Foo
| --- required by a bound in this
...
-LL | [<u8 as Baz>::Quaks; 2]: Bar,
- | --- required by this bound in `Foo`
-...
+LL | <u8 as Baz>::Quaks: Bar,
+ | ^^^ required by this bound in `Foo`
+
+error[E0277]: the trait bound `[[u16; 3]; 2]: Bar` is not satisfied
+ --> $DIR/issue-67185-2.rs:26:6
+ |
LL | impl Foo for FooImpl {}
| ^^^ the trait `Bar` is not implemented for `[[u16; 3]; 2]`
|
= help: the following implementations were found:
<[[u16; 3]; 3] as Bar>
<[u16; 4] as Bar>
-
-error[E0277]: the trait bound `[[u16; 3]; 2]: Bar` is not satisfied
- --> $DIR/issue-67185-2.rs:30:14
+note: required by a bound in `Foo`
+ --> $DIR/issue-67185-2.rs:19:34
|
LL | trait Foo
| --- required by a bound in this
...
LL | [<u8 as Baz>::Quaks; 2]: Bar,
- | --- required by this bound in `Foo`
-...
+ | ^^^ required by this bound in `Foo`
+
+error[E0277]: the trait bound `[[u16; 3]; 2]: Bar` is not satisfied
+ --> $DIR/issue-67185-2.rs:30:14
+ |
LL | fn f(_: impl Foo) {}
| ^^^ the trait `Bar` is not implemented for `[[u16; 3]; 2]`
|
= help: the following implementations were found:
<[[u16; 3]; 3] as Bar>
<[u16; 4] as Bar>
-
-error[E0277]: the trait bound `[u16; 3]: Bar` is not satisfied
- --> $DIR/issue-67185-2.rs:30:14
+note: required by a bound in `Foo`
+ --> $DIR/issue-67185-2.rs:19:34
|
LL | trait Foo
| --- required by a bound in this
...
-LL | <u8 as Baz>::Quaks: Bar,
- | --- required by this bound in `Foo`
-...
+LL | [<u8 as Baz>::Quaks; 2]: Bar,
+ | ^^^ required by this bound in `Foo`
+
+error[E0277]: the trait bound `[u16; 3]: Bar` is not satisfied
+ --> $DIR/issue-67185-2.rs:30:14
+ |
LL | fn f(_: impl Foo) {}
| ^^^ the trait `Bar` is not implemented for `[u16; 3]`
|
= help: the following implementations were found:
<[[u16; 3]; 3] as Bar>
<[u16; 4] as Bar>
+note: required by a bound in `Foo`
+ --> $DIR/issue-67185-2.rs:20:29
+ |
+LL | trait Foo
+ | --- required by a bound in this
+...
+LL | <u8 as Baz>::Quaks: Bar,
+ | ^^^ required by this bound in `Foo`
error: aborting due to 6 previous errors
diff --git a/src/test/ui/const-generics/issues/issue-72787.min.stderr b/src/test/ui/const-generics/issues/issue-72787.min.stderr
index aadf19ba6b6f2..86d1da052aee6 100644
--- a/src/test/ui/const-generics/issues/issue-72787.min.stderr
+++ b/src/test/ui/const-generics/issues/issue-72787.min.stderr
@@ -37,24 +37,28 @@ LL | IsLessOrEqual<{ 8 - I }, { 8 - J }>: True,
error[E0283]: type annotations needed
--> $DIR/issue-72787.rs:21:26
|
-LL | pub trait True {}
- | -------------- required by this bound in `True`
-...
LL | IsLessOrEqual<I, 8>: True,
| ^^^^ cannot infer type for struct `IsLessOrEqual<I, 8_u32>`
|
= note: cannot satisfy `IsLessOrEqual<I, 8_u32>: True`
+note: required by a bound in `True`
+ --> $DIR/issue-72787.rs:7:1
+ |
+LL | pub trait True {}
+ | ^^^^^^^^^^^^^^ required by this bound in `True`
error[E0283]: type annotations needed
--> $DIR/issue-72787.rs:21:26
|
-LL | pub trait True {}
- | -------------- required by this bound in `True`
-...
LL | IsLessOrEqual<I, 8>: True,
| ^^^^ cannot infer type for struct `IsLessOrEqual<I, 8_u32>`
|
= note: cannot satisfy `IsLessOrEqual<I, 8_u32>: True`
+note: required by a bound in `True`
+ --> $DIR/issue-72787.rs:7:1
+ |
+LL | pub trait True {}
+ | ^^^^^^^^^^^^^^ required by this bound in `True`
error: aborting due to 6 previous errors
diff --git a/src/test/ui/const-generics/issues/issue-85848.stderr b/src/test/ui/const-generics/issues/issue-85848.stderr
index 5e65136a6bc20..e51db35925e4a 100644
--- a/src/test/ui/const-generics/issues/issue-85848.stderr
+++ b/src/test/ui/const-generics/issues/issue-85848.stderr
@@ -3,9 +3,6 @@ error[E0277]: the trait bound `(): _Contains<&C>` is not satisfied
|
LL | writes_to_specific_path(&cap);
| ^^^^^^^^^^^^^^^^^^^^^^^ the trait `_Contains<&C>` is not implemented for `()`
-...
-LL | fn writes_to_specific_path<C: Delegates<()>>(cap: &C) {}
- | ------------- required by this bound in `writes_to_specific_path`
|
note: required because of the requirements on the impl of `Contains<(), true>` for `&C`
--> $DIR/issue-85848.rs:21:12
@@ -17,15 +14,17 @@ note: required because of the requirements on the impl of `Delegates<()>` for `&
|
LL | impl<T, U> Delegates<U> for T where T: Contains<U, true> {}
| ^^^^^^^^^^^^ ^
+note: required by a bound in `writes_to_specific_path`
+ --> $DIR/issue-85848.rs:29:31
+ |
+LL | fn writes_to_specific_path<C: Delegates<()>>(cap: &C) {}
+ | ^^^^^^^^^^^^^ required by this bound in `writes_to_specific_path`
error: unconstrained generic constant
--> $DIR/issue-85848.rs:24:5
|
LL | writes_to_specific_path(&cap);
| ^^^^^^^^^^^^^^^^^^^^^^^
-...
-LL | fn writes_to_specific_path<C: Delegates<()>>(cap: &C) {}
- | ------------- required by this bound in `writes_to_specific_path`
|
= help: try adding a `where` bound using this expression: `where [(); { contains::<T, U>() }]:`
note: required because of the requirements on the impl of `Contains<(), true>` for `&C`
@@ -38,6 +37,11 @@ note: required because of the requirements on the impl of `Delegates<()>` for `&
|
LL | impl<T, U> Delegates<U> for T where T: Contains<U, true> {}
| ^^^^^^^^^^^^ ^
+note: required by a bound in `writes_to_specific_path`
+ --> $DIR/issue-85848.rs:29:31
+ |
+LL | fn writes_to_specific_path<C: Delegates<()>>(cap: &C) {}
+ | ^^^^^^^^^^^^^ required by this bound in `writes_to_specific_path`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/const-generics/parent_generics_of_encoding_impl_trait.stderr b/src/test/ui/const-generics/parent_generics_of_encoding_impl_trait.stderr
index 6c0d5c4f07960..99085711513d8 100644
--- a/src/test/ui/const-generics/parent_generics_of_encoding_impl_trait.stderr
+++ b/src/test/ui/const-generics/parent_generics_of_encoding_impl_trait.stderr
@@ -4,10 +4,11 @@ error[E0284]: type annotations needed: cannot satisfy `the constant `foo::{opaqu
LL | generics_of_parent_impl_trait::foo([()]);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot satisfy `the constant `foo::{opaque#0}::{constant#0}` can be evaluated`
|
- ::: $DIR/auxiliary/generics_of_parent_impl_trait.rs:6:48
+note: required by a bound in `foo`
+ --> $DIR/auxiliary/generics_of_parent_impl_trait.rs:6:48
|
LL | pub fn foo<const N: usize>(foo: impl Into<[(); N + 1]>) {
- | ----- required by this bound in `foo`
+ | ^^^^^ required by this bound in `foo`
error: aborting due to previous error
diff --git a/src/test/ui/derives/derives-span-Eq-enum-struct-variant.stderr b/src/test/ui/derives/derives-span-Eq-enum-struct-variant.stderr
index 6267fad4372a4..277454a1140e6 100644
--- a/src/test/ui/derives/derives-span-Eq-enum-struct-variant.stderr
+++ b/src/test/ui/derives/derives-span-Eq-enum-struct-variant.stderr
@@ -7,11 +7,11 @@ LL | #[derive(Eq,PartialEq)]
LL | x: Error
| ^^^^^^^^ the trait `Eq` is not implemented for `Error`
|
- ::: $SRC_DIR/core/src/cmp.rs:LL:COL
+note: required by a bound in `AssertParamIsEq`
+ --> $SRC_DIR/core/src/cmp.rs:LL:COL
|
LL | pub struct AssertParamIsEq<T: Eq + ?Sized> {
- | -- required by this bound in `AssertParamIsEq`
- |
+ | ^^ required by this bound in `AssertParamIsEq`
= note: this error originates in the derive macro `Eq` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to previous error
diff --git a/src/test/ui/derives/derives-span-Eq-enum.stderr b/src/test/ui/derives/derives-span-Eq-enum.stderr
index 5dc4073400191..6a48ad24561ec 100644
--- a/src/test/ui/derives/derives-span-Eq-enum.stderr
+++ b/src/test/ui/derives/derives-span-Eq-enum.stderr
@@ -7,11 +7,11 @@ LL | #[derive(Eq,PartialEq)]
LL | Error
| ^^^^^ the trait `Eq` is not implemented for `Error`
|
- ::: $SRC_DIR/core/src/cmp.rs:LL:COL
+note: required by a bound in `AssertParamIsEq`
+ --> $SRC_DIR/core/src/cmp.rs:LL:COL
|
LL | pub struct AssertParamIsEq<T: Eq + ?Sized> {
- | -- required by this bound in `AssertParamIsEq`
- |
+ | ^^ required by this bound in `AssertParamIsEq`
= note: this error originates in the derive macro `Eq` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to previous error
diff --git a/src/test/ui/derives/derives-span-Eq-struct.stderr b/src/test/ui/derives/derives-span-Eq-struct.stderr
index 5fd21e2cd7900..7bf83e8eae2d3 100644
--- a/src/test/ui/derives/derives-span-Eq-struct.stderr
+++ b/src/test/ui/derives/derives-span-Eq-struct.stderr
@@ -7,11 +7,11 @@ LL | struct Struct {
LL | x: Error
| ^^^^^^^^ the trait `Eq` is not implemented for `Error`
|
- ::: $SRC_DIR/core/src/cmp.rs:LL:COL
+note: required by a bound in `AssertParamIsEq`
+ --> $SRC_DIR/core/src/cmp.rs:LL:COL
|
LL | pub struct AssertParamIsEq<T: Eq + ?Sized> {
- | -- required by this bound in `AssertParamIsEq`
- |
+ | ^^ required by this bound in `AssertParamIsEq`
= note: this error originates in the derive macro `Eq` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to previous error
diff --git a/src/test/ui/derives/derives-span-Eq-tuple-struct.stderr b/src/test/ui/derives/derives-span-Eq-tuple-struct.stderr
index d96687f8bf2e2..13e2a55319eb5 100644
--- a/src/test/ui/derives/derives-span-Eq-tuple-struct.stderr
+++ b/src/test/ui/derives/derives-span-Eq-tuple-struct.stderr
@@ -7,11 +7,11 @@ LL | struct Struct(
LL | Error
| ^^^^^ the trait `Eq` is not implemented for `Error`
|
- ::: $SRC_DIR/core/src/cmp.rs:LL:COL
+note: required by a bound in `AssertParamIsEq`
+ --> $SRC_DIR/core/src/cmp.rs:LL:COL
|
LL | pub struct AssertParamIsEq<T: Eq + ?Sized> {
- | -- required by this bound in `AssertParamIsEq`
- |
+ | ^^ required by this bound in `AssertParamIsEq`
= note: this error originates in the derive macro `Eq` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to previous error
diff --git a/src/test/ui/derives/derives-span-Hash-enum-struct-variant.stderr b/src/test/ui/derives/derives-span-Hash-enum-struct-variant.stderr
index 557431ab5bc2a..47c7f1c2c3340 100644
--- a/src/test/ui/derives/derives-span-Hash-enum-struct-variant.stderr
+++ b/src/test/ui/derives/derives-span-Hash-enum-struct-variant.stderr
@@ -7,11 +7,11 @@ LL | #[derive(Hash)]
LL | x: Error
| ^^^^^^^^ the trait `Hash` is not implemented for `Error`
|
- ::: $SRC_DIR/core/src/hash/mod.rs:LL:COL
+note: required by a bound in `std::hash::Hash::hash`
+ --> $SRC_DIR/core/src/hash/mod.rs:LL:COL
|
LL | fn hash<H: Hasher>(&self, state: &mut H);
- | - required by this bound in `std::hash::Hash::hash`
- |
+ | ^ required by this bound in `std::hash::Hash::hash`
= note: this error originates in the derive macro `Hash` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to previous error
diff --git a/src/test/ui/derives/derives-span-Hash-enum.stderr b/src/test/ui/derives/derives-span-Hash-enum.stderr
index 531ad59ca3bf9..92f084b58e35b 100644
--- a/src/test/ui/derives/derives-span-Hash-enum.stderr
+++ b/src/test/ui/derives/derives-span-Hash-enum.stderr
@@ -7,11 +7,11 @@ LL | #[derive(Hash)]
LL | Error
| ^^^^^ the trait `Hash` is not implemented for `Error`
|
- ::: $SRC_DIR/core/src/hash/mod.rs:LL:COL
+note: required by a bound in `std::hash::Hash::hash`
+ --> $SRC_DIR/core/src/hash/mod.rs:LL:COL
|
LL | fn hash<H: Hasher>(&self, state: &mut H);
- | - required by this bound in `std::hash::Hash::hash`
- |
+ | ^ required by this bound in `std::hash::Hash::hash`
= note: this error originates in the derive macro `Hash` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to previous error
diff --git a/src/test/ui/derives/derives-span-Hash-struct.stderr b/src/test/ui/derives/derives-span-Hash-struct.stderr
index 2852a448c43fc..c57cebe04ebcb 100644
--- a/src/test/ui/derives/derives-span-Hash-struct.stderr
+++ b/src/test/ui/derives/derives-span-Hash-struct.stderr
@@ -7,11 +7,11 @@ LL | struct Struct {
LL | x: Error
| ^^^^^^^^ the trait `Hash` is not implemented for `Error`
|
- ::: $SRC_DIR/core/src/hash/mod.rs:LL:COL
+note: required by a bound in `std::hash::Hash::hash`
+ --> $SRC_DIR/core/src/hash/mod.rs:LL:COL
|
LL | fn hash<H: Hasher>(&self, state: &mut H);
- | - required by this bound in `std::hash::Hash::hash`
- |
+ | ^ required by this bound in `std::hash::Hash::hash`
= note: this error originates in the derive macro `Hash` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to previous error
diff --git a/src/test/ui/derives/derives-span-Hash-tuple-struct.stderr b/src/test/ui/derives/derives-span-Hash-tuple-struct.stderr
index 93ae1b29702e9..200937f0c9fc3 100644
--- a/src/test/ui/derives/derives-span-Hash-tuple-struct.stderr
+++ b/src/test/ui/derives/derives-span-Hash-tuple-struct.stderr
@@ -7,11 +7,11 @@ LL | struct Struct(
LL | Error
| ^^^^^ the trait `Hash` is not implemented for `Error`
|
- ::: $SRC_DIR/core/src/hash/mod.rs:LL:COL
+note: required by a bound in `std::hash::Hash::hash`
+ --> $SRC_DIR/core/src/hash/mod.rs:LL:COL
|
LL | fn hash<H: Hasher>(&self, state: &mut H);
- | - required by this bound in `std::hash::Hash::hash`
- |
+ | ^ required by this bound in `std::hash::Hash::hash`
= note: this error originates in the derive macro `Hash` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to previous error
diff --git a/src/test/ui/derives/deriving-copyclone.stderr b/src/test/ui/derives/deriving-copyclone.stderr
index 09611555fb9a5..ecdbbff4d97c3 100644
--- a/src/test/ui/derives/deriving-copyclone.stderr
+++ b/src/test/ui/derives/deriving-copyclone.stderr
@@ -1,9 +1,6 @@
error[E0277]: the trait bound `C: Copy` is not satisfied
--> $DIR/deriving-copyclone.rs:31:13
|
-LL | fn is_copy<T: Copy>(_: T) {}
- | ---- required by this bound in `is_copy`
-...
LL | is_copy(B { a: 1, b: C });
| ^^^^^^^^^^^^^^^^
| |
@@ -15,14 +12,16 @@ note: required because of the requirements on the impl of `Copy` for `B<C>`
|
LL | #[derive(Copy, Clone)]
| ^^^^
+note: required by a bound in `is_copy`
+ --> $DIR/deriving-copyclone.rs:18:15
+ |
+LL | fn is_copy<T: Copy>(_: T) {}
+ | ^^^^ required by this bound in `is_copy`
= note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0277]: the trait bound `C: Clone` is not satisfied
--> $DIR/deriving-copyclone.rs:32:14
|
-LL | fn is_clone<T: Clone>(_: T) {}
- | ----- required by this bound in `is_clone`
-...
LL | is_clone(B { a: 1, b: C });
| ^^^^^^^^^^^^^^^^
| |
@@ -34,14 +33,16 @@ note: required because of the requirements on the impl of `Clone` for `B<C>`
|
LL | #[derive(Copy, Clone)]
| ^^^^^
+note: required by a bound in `is_clone`
+ --> $DIR/deriving-copyclone.rs:19:16
+ |
+LL | fn is_clone<T: Clone>(_: T) {}
+ | ^^^^^ required by this bound in `is_clone`
= note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0277]: the trait bound `D: Copy` is not satisfied
--> $DIR/deriving-copyclone.rs:35:13
|
-LL | fn is_copy<T: Copy>(_: T) {}
- | ---- required by this bound in `is_copy`
-...
LL | is_copy(B { a: 1, b: D });
| ^^^^^^^^^^^^^^^^
| |
@@ -53,6 +54,11 @@ note: required because of the requirements on the impl of `Copy` for `B<D>`
|
LL | #[derive(Copy, Clone)]
| ^^^^
+note: required by a bound in `is_copy`
+ --> $DIR/deriving-copyclone.rs:18:15
+ |
+LL | fn is_copy<T: Copy>(_: T) {}
+ | ^^^^ required by this bound in `is_copy`
= note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to 3 previous errors
diff --git a/src/test/ui/did_you_mean/recursion_limit.stderr b/src/test/ui/did_you_mean/recursion_limit.stderr
index 2d52172a6fa53..fa8bee184a74f 100644
--- a/src/test/ui/did_you_mean/recursion_limit.stderr
+++ b/src/test/ui/did_you_mean/recursion_limit.stderr
@@ -1,9 +1,6 @@
error[E0275]: overflow evaluating the requirement `K: Send`
--> $DIR/recursion_limit.rs:34:5
|
-LL | fn is_send<T:Send>() { }
- | ---- required by this bound in `is_send`
-...
LL | is_send::<A>();
| ^^^^^^^^^^^^
|
@@ -58,6 +55,11 @@ note: required because it appears within the type `A`
|
LL | link! { A, B }
| ^
+note: required by a bound in `is_send`
+ --> $DIR/recursion_limit.rs:31:14
+ |
+LL | fn is_send<T:Send>() { }
+ | ^^^^ required by this bound in `is_send`
error: aborting due to previous error
diff --git a/src/test/ui/dst/dst-sized-trait-param.stderr b/src/test/ui/dst/dst-sized-trait-param.stderr
index 8b781a7b1f92d..8ec94f5a3c0ad 100644
--- a/src/test/ui/dst/dst-sized-trait-param.stderr
+++ b/src/test/ui/dst/dst-sized-trait-param.stderr
@@ -1,13 +1,15 @@
error[E0277]: the size for values of type `[isize]` cannot be known at compilation time
--> $DIR/dst-sized-trait-param.rs:7:6
|
-LL | trait Foo<T> : Sized { fn take(self, x: &T) { } } // Note: T is sized
- | - required by this bound in `Foo`
-LL |
LL | impl Foo<[isize]> for usize { }
| ^^^^^^^^^^^^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `[isize]`
+note: required by a bound in `Foo`
+ --> $DIR/dst-sized-trait-param.rs:5:11
+ |
+LL | trait Foo<T> : Sized { fn take(self, x: &T) { } } // Note: T is sized
+ | ^ required by this bound in `Foo`
help: consider relaxing the implicit `Sized` restriction
|
LL | trait Foo<T: ?Sized> : Sized { fn take(self, x: &T) { } } // Note: T is sized
@@ -16,13 +18,15 @@ LL | trait Foo<T: ?Sized> : Sized { fn take(self, x: &T) { } } // Note: T is siz
error[E0277]: the size for values of type `[usize]` cannot be known at compilation time
--> $DIR/dst-sized-trait-param.rs:10:6
|
-LL | trait Foo<T> : Sized { fn take(self, x: &T) { } } // Note: T is sized
- | ----- required by this bound in `Foo`
-...
LL | impl Foo<isize> for [usize] { }
| ^^^^^^^^^^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `[usize]`
+note: required by a bound in `Foo`
+ --> $DIR/dst-sized-trait-param.rs:5:16
+ |
+LL | trait Foo<T> : Sized { fn take(self, x: &T) { } } // Note: T is sized
+ | ^^^^^ required by this bound in `Foo`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/error-codes/E0271.stderr b/src/test/ui/error-codes/E0271.stderr
index 580b5aef07e6d..284eaafc6ccee 100644
--- a/src/test/ui/error-codes/E0271.stderr
+++ b/src/test/ui/error-codes/E0271.stderr
@@ -1,11 +1,14 @@
error[E0271]: type mismatch resolving `<i8 as Trait>::AssociatedType == u32`
--> $DIR/E0271.rs:10:5
|
-LL | fn foo<T>(t: T) where T: Trait<AssociatedType=u32> {
- | ------------------ required by this bound in `foo`
-...
LL | foo(3_i8);
| ^^^ expected `u32`, found `&str`
+ |
+note: required by a bound in `foo`
+ --> $DIR/E0271.rs:3:32
+ |
+LL | fn foo<T>(t: T) where T: Trait<AssociatedType=u32> {
+ | ^^^^^^^^^^^^^^^^^^ required by this bound in `foo`
error: aborting due to previous error
diff --git a/src/test/ui/error-codes/E0275.stderr b/src/test/ui/error-codes/E0275.stderr
index 390c1e3e8ea4a..15d851aa9340d 100644
--- a/src/test/ui/error-codes/E0275.stderr
+++ b/src/test/ui/error-codes/E0275.stderr
@@ -1,9 +1,6 @@
error[E0275]: overflow evaluating the requirement `Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<Bar<T>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>: Foo`
--> $DIR/E0275.rs:5:33
|
-LL | trait Foo {}
- | --------- required by this bound in `Foo`
-...
LL | impl<T> Foo for T where Bar<T>: Foo {}
| ^^^
|
@@ -15,6 +12,11 @@ LL | impl<T> Foo for T where Bar<T>: Foo {}
| ^^^ ^
= note: 127 redundant requirements hidden
= note: required because of the requirements on the impl of `Foo` for `Bar<T>`
+note: required by a bound in `Foo`
+ --> $DIR/E0275.rs:1:1
+ |
+LL | trait Foo {}
+ | ^^^^^^^^^ required by this bound in `Foo`
error: aborting due to previous error
diff --git a/src/test/ui/error-codes/E0277-2.stderr b/src/test/ui/error-codes/E0277-2.stderr
index afd0e032dc3b3..ca2cb88424076 100644
--- a/src/test/ui/error-codes/E0277-2.stderr
+++ b/src/test/ui/error-codes/E0277-2.stderr
@@ -1,9 +1,6 @@
error[E0277]: `*const u8` cannot be sent between threads safely
--> $DIR/E0277-2.rs:16:5
|
-LL | fn is_send<T: Send>() { }
- | ---- required by this bound in `is_send`
-...
LL | is_send::<Foo>();
| ^^^^^^^^^^^^^^ `*const u8` cannot be sent between threads safely
|
@@ -23,6 +20,11 @@ note: required because it appears within the type `Foo`
|
LL | struct Foo {
| ^^^
+note: required by a bound in `is_send`
+ --> $DIR/E0277-2.rs:13:15
+ |
+LL | fn is_send<T: Send>() { }
+ | ^^^^ required by this bound in `is_send`
error: aborting due to previous error
diff --git a/src/test/ui/error-codes/E0277.stderr b/src/test/ui/error-codes/E0277.stderr
index 2c2dcbdd0dc4a..c82665aa580ba 100644
--- a/src/test/ui/error-codes/E0277.stderr
+++ b/src/test/ui/error-codes/E0277.stderr
@@ -15,11 +15,14 @@ LL | fn f(p: &Path) { }
error[E0277]: the trait bound `i32: Foo` is not satisfied
--> $DIR/E0277.rs:15:15
|
-LL | fn some_func<T: Foo>(foo: T) {
- | --- required by this bound in `some_func`
-...
LL | some_func(5i32);
| ^^^^ the trait `Foo` is not implemented for `i32`
+ |
+note: required by a bound in `some_func`
+ --> $DIR/E0277.rs:7:17
+ |
+LL | fn some_func<T: Foo>(foo: T) {
+ | ^^^ required by this bound in `some_func`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/error-should-say-copy-not-pod.stderr b/src/test/ui/error-should-say-copy-not-pod.stderr
index 346e882485ead..8c6025e708e8a 100644
--- a/src/test/ui/error-should-say-copy-not-pod.stderr
+++ b/src/test/ui/error-should-say-copy-not-pod.stderr
@@ -1,11 +1,14 @@
error[E0277]: the trait bound `String: Copy` is not satisfied
--> $DIR/error-should-say-copy-not-pod.rs:6:17
|
-LL | fn check_bound<T:Copy>(_: T) {}
- | ---- required by this bound in `check_bound`
-...
LL | check_bound("nocopy".to_string());
| ^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `String`
+ |
+note: required by a bound in `check_bound`
+ --> $DIR/error-should-say-copy-not-pod.rs:3:18
+ |
+LL | fn check_bound<T:Copy>(_: T) {}
+ | ^^^^ required by this bound in `check_bound`
error: aborting due to previous error
diff --git a/src/test/ui/extern/extern-types-not-sync-send.stderr b/src/test/ui/extern/extern-types-not-sync-send.stderr
index 547116fbbabed..7865ddeda34f5 100644
--- a/src/test/ui/extern/extern-types-not-sync-send.stderr
+++ b/src/test/ui/extern/extern-types-not-sync-send.stderr
@@ -1,24 +1,28 @@
error[E0277]: `A` cannot be shared between threads safely
--> $DIR/extern-types-not-sync-send.rs:13:19
|
-LL | fn assert_sync<T: ?Sized + Sync>() {}
- | ---- required by this bound in `assert_sync`
-...
LL | assert_sync::<A>();
| ^ `A` cannot be shared between threads safely
|
= help: the trait `Sync` is not implemented for `A`
+note: required by a bound in `assert_sync`
+ --> $DIR/extern-types-not-sync-send.rs:9:28
+ |
+LL | fn assert_sync<T: ?Sized + Sync>() {}
+ | ^^^^ required by this bound in `assert_sync`
error[E0277]: `A` cannot be sent between threads safely
--> $DIR/extern-types-not-sync-send.rs:16:19
|
-LL | fn assert_send<T: ?Sized + Send>() {}
- | ---- required by this bound in `assert_send`
-...
LL | assert_send::<A>();
| ^ `A` cannot be sent between threads safely
|
= help: the trait `Send` is not implemented for `A`
+note: required by a bound in `assert_send`
+ --> $DIR/extern-types-not-sync-send.rs:10:28
+ |
+LL | fn assert_send<T: ?Sized + Send>() {}
+ | ^^^^ required by this bound in `assert_send`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/extern/extern-types-unsized.stderr b/src/test/ui/extern/extern-types-unsized.stderr
index 44c0ae49ea6d6..e21077159b2c9 100644
--- a/src/test/ui/extern/extern-types-unsized.stderr
+++ b/src/test/ui/extern/extern-types-unsized.stderr
@@ -1,13 +1,15 @@
error[E0277]: the size for values of type `A` cannot be known at compilation time
--> $DIR/extern-types-unsized.rs:22:20
|
-LL | fn assert_sized<T>() {}
- | - required by this bound in `assert_sized`
-...
LL | assert_sized::<A>();
| ^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `A`
+note: required by a bound in `assert_sized`
+ --> $DIR/extern-types-unsized.rs:19:17
+ |
+LL | fn assert_sized<T>() {}
+ | ^ required by this bound in `assert_sized`
help: consider relaxing the implicit `Sized` restriction
|
LL | fn assert_sized<T: ?Sized>() {}
@@ -16,9 +18,6 @@ LL | fn assert_sized<T: ?Sized>() {}
error[E0277]: the size for values of type `A` cannot be known at compilation time
--> $DIR/extern-types-unsized.rs:25:5
|
-LL | fn assert_sized<T>() {}
- | - required by this bound in `assert_sized`
-...
LL | assert_sized::<Foo>();
| ^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
|
@@ -28,6 +27,11 @@ note: required because it appears within the type `Foo`
|
LL | struct Foo {
| ^^^
+note: required by a bound in `assert_sized`
+ --> $DIR/extern-types-unsized.rs:19:17
+ |
+LL | fn assert_sized<T>() {}
+ | ^ required by this bound in `assert_sized`
help: consider relaxing the implicit `Sized` restriction
|
LL | fn assert_sized<T: ?Sized>() {}
@@ -36,9 +40,6 @@ LL | fn assert_sized<T: ?Sized>() {}
error[E0277]: the size for values of type `A` cannot be known at compilation time
--> $DIR/extern-types-unsized.rs:28:5
|
-LL | fn assert_sized<T>() {}
- | - required by this bound in `assert_sized`
-...
LL | assert_sized::<Bar<A>>();
| ^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
|
@@ -48,6 +49,11 @@ note: required because it appears within the type `Bar<A>`
|
LL | struct Bar<T: ?Sized> {
| ^^^
+note: required by a bound in `assert_sized`
+ --> $DIR/extern-types-unsized.rs:19:17
+ |
+LL | fn assert_sized<T>() {}
+ | ^ required by this bound in `assert_sized`
help: consider relaxing the implicit `Sized` restriction
|
LL | fn assert_sized<T: ?Sized>() {}
@@ -56,9 +62,6 @@ LL | fn assert_sized<T: ?Sized>() {}
error[E0277]: the size for values of type `A` cannot be known at compilation time
--> $DIR/extern-types-unsized.rs:31:5
|
-LL | fn assert_sized<T>() {}
- | - required by this bound in `assert_sized`
-...
LL | assert_sized::<Bar<Bar<A>>>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
|
@@ -73,6 +76,11 @@ note: required because it appears within the type `Bar<Bar<A>>`
|
LL | struct Bar<T: ?Sized> {
| ^^^
+note: required by a bound in `assert_sized`
+ --> $DIR/extern-types-unsized.rs:19:17
+ |
+LL | fn assert_sized<T>() {}
+ | ^ required by this bound in `assert_sized`
help: consider relaxing the implicit `Sized` restriction
|
LL | fn assert_sized<T: ?Sized>() {}
diff --git a/src/test/ui/extern/extern-wrong-value-type.stderr b/src/test/ui/extern/extern-wrong-value-type.stderr
index d92b5f43110b1..74981ebb76c93 100644
--- a/src/test/ui/extern/extern-wrong-value-type.stderr
+++ b/src/test/ui/extern/extern-wrong-value-type.stderr
@@ -1,14 +1,16 @@
error[E0277]: expected a `Fn<()>` closure, found `extern "C" fn() {f}`
--> $DIR/extern-wrong-value-type.rs:9:11
|
-LL | fn is_fn<F>(_: F) where F: Fn() {}
- | ---- required by this bound in `is_fn`
-...
LL | is_fn(f);
| ^ expected an `Fn<()>` closure, found `extern "C" fn() {f}`
|
= help: the trait `Fn<()>` is not implemented for `extern "C" fn() {f}`
= note: wrap the `extern "C" fn() {f}` in a closure with no arguments: `|| { /* code */ }`
+note: required by a bound in `is_fn`
+ --> $DIR/extern-wrong-value-type.rs:4:28
+ |
+LL | fn is_fn<F>(_: F) where F: Fn() {}
+ | ^^^^ required by this bound in `is_fn`
error: aborting due to previous error
diff --git a/src/test/ui/feature-gates/feature-gate-associated_type_bounds.stderr b/src/test/ui/feature-gates/feature-gate-associated_type_bounds.stderr
index 8f5ba07bdaa9c..f24c3d69a265b 100644
--- a/src/test/ui/feature-gates/feature-gate-associated_type_bounds.stderr
+++ b/src/test/ui/feature-gates/feature-gate-associated_type_bounds.stderr
@@ -139,11 +139,11 @@ error[E0277]: the trait bound `<<Self as _Tr3>::A as Iterator>::Item: Copy` is n
LL | type A: Iterator<Item: Copy>;
| ^^^^ the trait `Copy` is not implemented for `<<Self as _Tr3>::A as Iterator>::Item`
|
- ::: $SRC_DIR/core/src/marker.rs:LL:COL
+note: required by a bound in `Copy`
+ --> $SRC_DIR/core/src/marker.rs:LL:COL
|
LL | pub trait Copy: Clone {
- | --------------------- required by this bound in `Copy`
- |
+ | ^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Copy`
help: consider further restricting the associated type
|
LL | trait _Tr3 where <<Self as _Tr3>::A as Iterator>::Item: Copy {
diff --git a/src/test/ui/fmt/send-sync.stderr b/src/test/ui/fmt/send-sync.stderr
index 780c71128d444..7c7a3c8846b9b 100644
--- a/src/test/ui/fmt/send-sync.stderr
+++ b/src/test/ui/fmt/send-sync.stderr
@@ -1,9 +1,6 @@
error[E0277]: `core::fmt::Opaque` cannot be shared between threads safely
--> $DIR/send-sync.rs:8:5
|
-LL | fn send<T: Send>(_: T) {}
- | ---- required by this bound in `send`
-...
LL | send(format_args!("{:?}", c));
| ^^^^ `core::fmt::Opaque` cannot be shared between threads safely
|
@@ -13,13 +10,15 @@ LL | send(format_args!("{:?}", c));
= note: required because it appears within the type `[ArgumentV1<'_>]`
= note: required because of the requirements on the impl of `Send` for `&[ArgumentV1<'_>]`
= note: required because it appears within the type `Arguments<'_>`
+note: required by a bound in `send`
+ --> $DIR/send-sync.rs:1:12
+ |
+LL | fn send<T: Send>(_: T) {}
+ | ^^^^ required by this bound in `send`
error[E0277]: `core::fmt::Opaque` cannot be shared between threads safely
--> $DIR/send-sync.rs:9:5
|
-LL | fn sync<T: Sync>(_: T) {}
- | ---- required by this bound in `sync`
-...
LL | sync(format_args!("{:?}", c));
| ^^^^ `core::fmt::Opaque` cannot be shared between threads safely
|
@@ -29,6 +28,11 @@ LL | sync(format_args!("{:?}", c));
= note: required because it appears within the type `[ArgumentV1<'_>]`
= note: required because it appears within the type `&[ArgumentV1<'_>]`
= note: required because it appears within the type `Arguments<'_>`
+note: required by a bound in `sync`
+ --> $DIR/send-sync.rs:2:12
+ |
+LL | fn sync<T: Sync>(_: T) {}
+ | ^^^^ required by this bound in `sync`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/fn/fn-trait-formatting.stderr b/src/test/ui/fn/fn-trait-formatting.stderr
index 5b63b8e2285c9..57a25b8e48b35 100644
--- a/src/test/ui/fn/fn-trait-formatting.stderr
+++ b/src/test/ui/fn/fn-trait-formatting.stderr
@@ -34,13 +34,15 @@ LL | let _: () = (box || -> isize { unimplemented!() }) as Box<dyn FnMut() -
error[E0277]: expected a `Fn<(isize,)>` closure, found `{integer}`
--> $DIR/fn-trait-formatting.rs:19:14
|
-LL | fn needs_fn<F>(x: F) where F: Fn(isize) -> isize {}
- | ------------------ required by this bound in `needs_fn`
-...
LL | needs_fn(1);
| ^ expected an `Fn<(isize,)>` closure, found `{integer}`
|
= help: the trait `Fn<(isize,)>` is not implemented for `{integer}`
+note: required by a bound in `needs_fn`
+ --> $DIR/fn-trait-formatting.rs:3:31
+ |
+LL | fn needs_fn<F>(x: F) where F: Fn(isize) -> isize {}
+ | ^^^^^^^^^^^^^^^^^^ required by this bound in `needs_fn`
error: aborting due to 4 previous errors
diff --git a/src/test/ui/generator/generator-yielding-or-returning-itself.stderr b/src/test/ui/generator/generator-yielding-or-returning-itself.stderr
index 5043a3be91d52..62a7b37a5a387 100644
--- a/src/test/ui/generator/generator-yielding-or-returning-itself.stderr
+++ b/src/test/ui/generator/generator-yielding-or-returning-itself.stderr
@@ -1,11 +1,6 @@
error[E0271]: type mismatch resolving `<[generator@$DIR/generator-yielding-or-returning-itself.rs:15:34: 19:6] as Generator>::Return == [generator@$DIR/generator-yielding-or-returning-itself.rs:15:34: 19:6]`
--> $DIR/generator-yielding-or-returning-itself.rs:15:5
|
-LL | pub fn want_cyclic_generator_return<T>(_: T)
- | ---------------------------- required by a bound in this
-LL | where T: Generator<Yield = (), Return = T>
- | ---------- required by this bound in `want_cyclic_generator_return`
-...
LL | want_cyclic_generator_return(|| {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cyclic type of infinite size
|
@@ -13,15 +8,17 @@ LL | want_cyclic_generator_return(|| {
this error may be the result of a recent compiler bug-fix,
see issue #46062 <https://github.com/rust-lang/rust/issues/46062>
for more information
+note: required by a bound in `want_cyclic_generator_return`
+ --> $DIR/generator-yielding-or-returning-itself.rs:10:36
+ |
+LL | pub fn want_cyclic_generator_return<T>(_: T)
+ | ---------------------------- required by a bound in this
+LL | where T: Generator<Yield = (), Return = T>
+ | ^^^^^^^^^^ required by this bound in `want_cyclic_generator_return`
error[E0271]: type mismatch resolving `<[generator@$DIR/generator-yielding-or-returning-itself.rs:28:33: 32:6] as Generator>::Yield == [generator@$DIR/generator-yielding-or-returning-itself.rs:28:33: 32:6]`
--> $DIR/generator-yielding-or-returning-itself.rs:28:5
|
-LL | pub fn want_cyclic_generator_yield<T>(_: T)
- | --------------------------- required by a bound in this
-LL | where T: Generator<Yield = T, Return = ()>
- | --------- required by this bound in `want_cyclic_generator_yield`
-...
LL | want_cyclic_generator_yield(|| {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ cyclic type of infinite size
|
@@ -29,6 +26,13 @@ LL | want_cyclic_generator_yield(|| {
this error may be the result of a recent compiler bug-fix,
see issue #46062 <https://github.com/rust-lang/rust/issues/46062>
for more information
+note: required by a bound in `want_cyclic_generator_yield`
+ --> $DIR/generator-yielding-or-returning-itself.rs:23:24
+ |
+LL | pub fn want_cyclic_generator_yield<T>(_: T)
+ | --------------------------- required by a bound in this
+LL | where T: Generator<Yield = T, Return = ()>
+ | ^^^^^^^^^ required by this bound in `want_cyclic_generator_yield`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/generator/issue-68112.stderr b/src/test/ui/generator/issue-68112.stderr
index 46d27baa5453b..c3fc8dd8f9286 100644
--- a/src/test/ui/generator/issue-68112.stderr
+++ b/src/test/ui/generator/issue-68112.stderr
@@ -1,9 +1,6 @@
error: generator cannot be sent between threads safely
--> $DIR/issue-68112.rs:33:5
|
-LL | fn require_send(_: impl Send) {}
- | ---- required by this bound in `require_send`
-...
LL | require_send(send_gen);
| ^^^^^^^^^^^^ generator is not `Send`
|
@@ -17,13 +14,15 @@ LL | yield;
| ^^^^^ yield occurs here, with `_non_send_gen` maybe used later
LL | };
| - `_non_send_gen` is later dropped here
+note: required by a bound in `require_send`
+ --> $DIR/issue-68112.rs:22:25
+ |
+LL | fn require_send(_: impl Send) {}
+ | ^^^^ required by this bound in `require_send`
error[E0277]: `RefCell<i32>` cannot be shared between threads safely
--> $DIR/issue-68112.rs:52:5
|
-LL | fn require_send(_: impl Send) {}
- | ---- required by this bound in `require_send`
-...
LL | require_send(send_gen);
| ^^^^^^^^^^^^ `RefCell<i32>` cannot be shared between threads safely
|
@@ -34,6 +33,11 @@ LL | require_send(send_gen);
= note: required because it appears within the type `impl Generator`
= note: required because it appears within the type `{impl Generator, ()}`
= note: required because it appears within the type `[generator@$DIR/issue-68112.rs:48:20: 51:6]`
+note: required by a bound in `require_send`
+ --> $DIR/issue-68112.rs:22:25
+ |
+LL | fn require_send(_: impl Send) {}
+ | ^^^^ required by this bound in `require_send`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/generator/not-send-sync.stderr b/src/test/ui/generator/not-send-sync.stderr
index 448cb2a043a05..4d2faa198f1af 100644
--- a/src/test/ui/generator/not-send-sync.stderr
+++ b/src/test/ui/generator/not-send-sync.stderr
@@ -1,22 +1,21 @@
error[E0277]: `Cell<i32>` cannot be shared between threads safely
--> $DIR/not-send-sync.rs:16:5
|
-LL | fn assert_send<T: Send>(_: T) {}
- | ---- required by this bound in `assert_send`
-...
LL | assert_send(|| {
| ^^^^^^^^^^^ `Cell<i32>` cannot be shared between threads safely
|
= help: the trait `Sync` is not implemented for `Cell<i32>`
= note: required because of the requirements on the impl of `Send` for `&Cell<i32>`
= note: required because it appears within the type `[generator@$DIR/not-send-sync.rs:16:17: 20:6]`
+note: required by a bound in `assert_send`
+ --> $DIR/not-send-sync.rs:7:23
+ |
+LL | fn assert_send<T: Send>(_: T) {}
+ | ^^^^ required by this bound in `assert_send`
error: generator cannot be shared between threads safely
--> $DIR/not-send-sync.rs:9:5
|
-LL | fn assert_sync<T: Sync>(_: T) {}
- | ---- required by this bound in `assert_sync`
-...
LL | assert_sync(|| {
| ^^^^^^^^^^^ generator is not `Sync`
|
@@ -30,6 +29,11 @@ LL | yield;
| ^^^^^ yield occurs here, with `a` maybe used later
LL | });
| - `a` is later dropped here
+note: required by a bound in `assert_sync`
+ --> $DIR/not-send-sync.rs:6:23
+ |
+LL | fn assert_sync<T: Sync>(_: T) {}
+ | ^^^^ required by this bound in `assert_sync`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/generator/print/generator-print-verbose-1.stderr b/src/test/ui/generator/print/generator-print-verbose-1.stderr
index bd0d27ff3e9ac..53f0936632a45 100644
--- a/src/test/ui/generator/print/generator-print-verbose-1.stderr
+++ b/src/test/ui/generator/print/generator-print-verbose-1.stderr
@@ -1,9 +1,6 @@
error: generator cannot be sent between threads safely
--> $DIR/generator-print-verbose-1.rs:37:5
|
-LL | fn require_send(_: impl Send) {}
- | ---- required by this bound in `require_send`
-...
LL | require_send(send_gen);
| ^^^^^^^^^^^^ generator is not `Send`
|
@@ -17,13 +14,15 @@ LL | yield;
| ^^^^^ yield occurs here, with `_non_send_gen` maybe used later
LL | };
| - `_non_send_gen` is later dropped here
+note: required by a bound in `require_send`
+ --> $DIR/generator-print-verbose-1.rs:26:25
+ |
+LL | fn require_send(_: impl Send) {}
+ | ^^^^ required by this bound in `require_send`
error[E0277]: `RefCell<i32>` cannot be shared between threads safely
--> $DIR/generator-print-verbose-1.rs:56:5
|
-LL | fn require_send(_: impl Send) {}
- | ---- required by this bound in `require_send`
-...
LL | require_send(send_gen);
| ^^^^^^^^^^^^ `RefCell<i32>` cannot be shared between threads safely
|
@@ -34,6 +33,11 @@ LL | require_send(send_gen);
= note: required because it appears within the type `Opaque(DefId(0:42 ~ generator_print_verbose_1[70c9]::make_non_send_generator2::{opaque#0}), [])`
= note: required because it appears within the type `{Opaque(DefId(0:42 ~ generator_print_verbose_1[70c9]::make_non_send_generator2::{opaque#0}), []), ()}`
= note: required because it appears within the type `[test2::{closure#0} upvar_tys=() {Opaque(DefId(0:42 ~ generator_print_verbose_1[70c9]::make_non_send_generator2::{opaque#0}), []), ()}]`
+note: required by a bound in `require_send`
+ --> $DIR/generator-print-verbose-1.rs:26:25
+ |
+LL | fn require_send(_: impl Send) {}
+ | ^^^^ required by this bound in `require_send`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/generator/print/generator-print-verbose-2.stderr b/src/test/ui/generator/print/generator-print-verbose-2.stderr
index d590f876b8e77..fb2a5754dd306 100644
--- a/src/test/ui/generator/print/generator-print-verbose-2.stderr
+++ b/src/test/ui/generator/print/generator-print-verbose-2.stderr
@@ -1,22 +1,21 @@
error[E0277]: `Cell<i32>` cannot be shared between threads safely
--> $DIR/generator-print-verbose-2.rs:19:5
|
-LL | fn assert_send<T: Send>(_: T) {}
- | ---- required by this bound in `assert_send`
-...
LL | assert_send(|| {
| ^^^^^^^^^^^ `Cell<i32>` cannot be shared between threads safely
|
= help: the trait `Sync` is not implemented for `Cell<i32>`
= note: required because of the requirements on the impl of `Send` for `&'_#4r Cell<i32>`
= note: required because it appears within the type `[main::{closure#1} upvar_tys=(&'_#4r Cell<i32>) _#17t]`
+note: required by a bound in `assert_send`
+ --> $DIR/generator-print-verbose-2.rs:10:23
+ |
+LL | fn assert_send<T: Send>(_: T) {}
+ | ^^^^ required by this bound in `assert_send`
error: generator cannot be shared between threads safely
--> $DIR/generator-print-verbose-2.rs:12:5
|
-LL | fn assert_sync<T: Sync>(_: T) {}
- | ---- required by this bound in `assert_sync`
-...
LL | assert_sync(|| {
| ^^^^^^^^^^^ generator is not `Sync`
|
@@ -30,6 +29,11 @@ LL | yield;
| ^^^^^ yield occurs here, with `a` maybe used later
LL | });
| - `a` is later dropped here
+note: required by a bound in `assert_sync`
+ --> $DIR/generator-print-verbose-2.rs:9:23
+ |
+LL | fn assert_sync<T: Sync>(_: T) {}
+ | ^^^^ required by this bound in `assert_sync`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/generator/sized-yield.stderr b/src/test/ui/generator/sized-yield.stderr
index 05cc6c012177b..ea2a48d13cee6 100644
--- a/src/test/ui/generator/sized-yield.stderr
+++ b/src/test/ui/generator/sized-yield.stderr
@@ -17,12 +17,12 @@ error[E0277]: the size for values of type `str` cannot be known at compilation t
LL | Pin::new(&mut gen).resume(());
| ^^^^^^ doesn't have a size known at compile-time
|
- ::: $SRC_DIR/core/src/ops/generator.rs:LL:COL
+ = help: the trait `Sized` is not implemented for `str`
+note: required by a bound in `GeneratorState`
+ --> $SRC_DIR/core/src/ops/generator.rs:LL:COL
|
LL | pub enum GeneratorState<Y, R> {
- | - required by this bound in `GeneratorState`
- |
- = help: the trait `Sized` is not implemented for `str`
+ | ^ required by this bound in `GeneratorState`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/generator/static-not-unpin.stderr b/src/test/ui/generator/static-not-unpin.stderr
index 74ac53a7f9407..7ae128d072dd9 100644
--- a/src/test/ui/generator/static-not-unpin.stderr
+++ b/src/test/ui/generator/static-not-unpin.stderr
@@ -1,13 +1,15 @@
error[E0277]: `[static generator@$DIR/static-not-unpin.rs:11:25: 13:6]` cannot be unpinned
--> $DIR/static-not-unpin.rs:14:18
|
-LL | fn assert_unpin<T: Unpin>(_: T) {
- | ----- required by this bound in `assert_unpin`
-...
LL | assert_unpin(generator);
| ^^^^^^^^^ the trait `Unpin` is not implemented for `[static generator@$DIR/static-not-unpin.rs:11:25: 13:6]`
|
= note: consider using `Box::pin`
+note: required by a bound in `assert_unpin`
+ --> $DIR/static-not-unpin.rs:7:20
+ |
+LL | fn assert_unpin<T: Unpin>(_: T) {
+ | ^^^^^ required by this bound in `assert_unpin`
error: aborting due to previous error
diff --git a/src/test/ui/generic-associated-types/cross-crate-bounds.stderr b/src/test/ui/generic-associated-types/cross-crate-bounds.stderr
index 57ccadc7b8d04..d6716cac06e1f 100644
--- a/src/test/ui/generic-associated-types/cross-crate-bounds.stderr
+++ b/src/test/ui/generic-associated-types/cross-crate-bounds.stderr
@@ -4,10 +4,11 @@ error[E0277]: the trait bound `(): AsRef<()>` is not satisfied
LL | type Bar = ();
| ^^^^^^^^^^^^^^ the trait `AsRef<()>` is not implemented for `()`
|
- ::: $DIR/auxiliary/foo_defn.rs:6:15
+note: required by a bound in `foo_defn::Foo::Bar`
+ --> $DIR/auxiliary/foo_defn.rs:6:15
|
LL | type Bar: AsRef<()>;
- | --------- required by this bound in `foo_defn::Foo::Bar`
+ | ^^^^^^^^^ required by this bound in `foo_defn::Foo::Bar`
error: aborting due to previous error
diff --git a/src/test/ui/generic-associated-types/issue-68641-check-gat-bounds.stderr b/src/test/ui/generic-associated-types/issue-68641-check-gat-bounds.stderr
index c341338390c3d..1d3aeaefca0e9 100644
--- a/src/test/ui/generic-associated-types/issue-68641-check-gat-bounds.stderr
+++ b/src/test/ui/generic-associated-types/issue-68641-check-gat-bounds.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `T: Copy` is not satisfied
--> $DIR/issue-68641-check-gat-bounds.rs:14:5
|
-LL | type Item<'a>: Copy;
- | ---- required by this bound in `UnsafeCopy::Item`
-...
LL | type Item<'a> = T;
| ^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `T`
|
+note: required by a bound in `UnsafeCopy::Item`
+ --> $DIR/issue-68641-check-gat-bounds.rs:6:20
+ |
+LL | type Item<'a>: Copy;
+ | ^^^^ required by this bound in `UnsafeCopy::Item`
help: consider restricting type parameter `T`
|
LL | impl<T: std::marker::Copy> UnsafeCopy for T {
diff --git a/src/test/ui/generic-associated-types/issue-68642-broken-llvm-ir.stderr b/src/test/ui/generic-associated-types/issue-68642-broken-llvm-ir.stderr
index 2861aee3aafac..574b81556e702 100644
--- a/src/test/ui/generic-associated-types/issue-68642-broken-llvm-ir.stderr
+++ b/src/test/ui/generic-associated-types/issue-68642-broken-llvm-ir.stderr
@@ -1,13 +1,15 @@
error[E0277]: expected a `Fn<()>` closure, found `T`
--> $DIR/issue-68642-broken-llvm-ir.rs:14:5
|
-LL | type F<'a>: Fn() -> u32;
- | ----------- required by this bound in `Fun::F`
-...
LL | type F<'a> = Self;
| ^^^^^^^^^^^^^^^^^^ expected an `Fn<()>` closure, found `T`
|
= note: wrap the `T` in a closure with no arguments: `|| { /* code */ }`
+note: required by a bound in `Fun::F`
+ --> $DIR/issue-68642-broken-llvm-ir.rs:6:17
+ |
+LL | type F<'a>: Fn() -> u32;
+ | ^^^^^^^^^^^ required by this bound in `Fun::F`
help: consider restricting type parameter `T`
|
LL | impl<T: std::ops::Fn<()>> Fun for T {
diff --git a/src/test/ui/generic-associated-types/issue-68643-broken-mir.stderr b/src/test/ui/generic-associated-types/issue-68643-broken-mir.stderr
index 2eaeffba0893f..9c4cbc5eb56fe 100644
--- a/src/test/ui/generic-associated-types/issue-68643-broken-mir.stderr
+++ b/src/test/ui/generic-associated-types/issue-68643-broken-mir.stderr
@@ -1,13 +1,15 @@
error[E0277]: expected a `Fn<()>` closure, found `T`
--> $DIR/issue-68643-broken-mir.rs:14:5
|
-LL | type F<'a>: Fn() -> u32;
- | ----------- required by this bound in `Fun::F`
-...
LL | type F<'a> = Self;
| ^^^^^^^^^^^^^^^^^^ expected an `Fn<()>` closure, found `T`
|
= note: wrap the `T` in a closure with no arguments: `|| { /* code */ }`
+note: required by a bound in `Fun::F`
+ --> $DIR/issue-68643-broken-mir.rs:6:17
+ |
+LL | type F<'a>: Fn() -> u32;
+ | ^^^^^^^^^^^ required by this bound in `Fun::F`
help: consider restricting type parameter `T`
|
LL | impl<T: std::ops::Fn<()>> Fun for T {
diff --git a/src/test/ui/generic-associated-types/issue-68644-codegen-selection.stderr b/src/test/ui/generic-associated-types/issue-68644-codegen-selection.stderr
index 7c56ded01bf98..0df5c0f8c7913 100644
--- a/src/test/ui/generic-associated-types/issue-68644-codegen-selection.stderr
+++ b/src/test/ui/generic-associated-types/issue-68644-codegen-selection.stderr
@@ -1,13 +1,15 @@
error[E0277]: expected a `Fn<()>` closure, found `T`
--> $DIR/issue-68644-codegen-selection.rs:14:5
|
-LL | type F<'a>: Fn() -> u32;
- | ----------- required by this bound in `Fun::F`
-...
LL | type F<'a> = Self;
| ^^^^^^^^^^^^^^^^^^ expected an `Fn<()>` closure, found `T`
|
= note: wrap the `T` in a closure with no arguments: `|| { /* code */ }`
+note: required by a bound in `Fun::F`
+ --> $DIR/issue-68644-codegen-selection.rs:6:17
+ |
+LL | type F<'a>: Fn() -> u32;
+ | ^^^^^^^^^^^ required by this bound in `Fun::F`
help: consider restricting type parameter `T`
|
LL | impl<T: std::ops::Fn<()>> Fun for T {
diff --git a/src/test/ui/generic-associated-types/issue-68645-codegen-fulfillment.stderr b/src/test/ui/generic-associated-types/issue-68645-codegen-fulfillment.stderr
index 6662a2b35da75..35a4350804e8b 100644
--- a/src/test/ui/generic-associated-types/issue-68645-codegen-fulfillment.stderr
+++ b/src/test/ui/generic-associated-types/issue-68645-codegen-fulfillment.stderr
@@ -1,13 +1,15 @@
error[E0277]: expected a `Fn<()>` closure, found `T`
--> $DIR/issue-68645-codegen-fulfillment.rs:14:5
|
-LL | type F<'a>: Fn() -> u32;
- | ----------- required by this bound in `Fun::F`
-...
LL | type F<'a> = Self;
| ^^^^^^^^^^^^^^^^^^ expected an `Fn<()>` closure, found `T`
|
= note: wrap the `T` in a closure with no arguments: `|| { /* code */ }`
+note: required by a bound in `Fun::F`
+ --> $DIR/issue-68645-codegen-fulfillment.rs:6:17
+ |
+LL | type F<'a>: Fn() -> u32;
+ | ^^^^^^^^^^^ required by this bound in `Fun::F`
help: consider restricting type parameter `T`
|
LL | impl<T: std::ops::Fn<()>> Fun for T {
diff --git a/src/test/ui/generic-associated-types/issue-68656-unsized-values.stderr b/src/test/ui/generic-associated-types/issue-68656-unsized-values.stderr
index 422805a0d0b8c..d69ac8e580a9f 100644
--- a/src/test/ui/generic-associated-types/issue-68656-unsized-values.stderr
+++ b/src/test/ui/generic-associated-types/issue-68656-unsized-values.stderr
@@ -1,9 +1,6 @@
error[E0271]: type mismatch resolving `<T as Deref>::Target == T`
--> $DIR/issue-68656-unsized-values.rs:15:5
|
-LL | type Item<'a>: std::ops::Deref<Target = T>;
- | ---------- required by this bound in `UnsafeCopy::Item`
-...
LL | impl<T: Copy + std::ops::Deref> UnsafeCopy<T> for T {
| - this type parameter
LL | type Item<'a> = T;
@@ -11,6 +8,11 @@ LL | type Item<'a> = T;
|
= note: expected type parameter `T`
found associated type `<T as Deref>::Target`
+note: required by a bound in `UnsafeCopy::Item`
+ --> $DIR/issue-68656-unsized-values.rs:6:36
+ |
+LL | type Item<'a>: std::ops::Deref<Target = T>;
+ | ^^^^^^^^^^ required by this bound in `UnsafeCopy::Item`
help: consider further restricting this bound
|
LL | impl<T: Copy + std::ops::Deref + Deref<Target = T>> UnsafeCopy<T> for T {
diff --git a/src/test/ui/generic-associated-types/issue-74684-2.stderr b/src/test/ui/generic-associated-types/issue-74684-2.stderr
index 23fb4285fc9d3..86e9450904ba3 100644
--- a/src/test/ui/generic-associated-types/issue-74684-2.stderr
+++ b/src/test/ui/generic-associated-types/issue-74684-2.stderr
@@ -1,11 +1,14 @@
error[E0271]: type mismatch resolving `<{integer} as Fun>::F<'_> == [u8]`
--> $DIR/issue-74684-2.rs:23:5
|
-LL | fn bug<'a, T: ?Sized + Fun<F<'a> = [u8]>>(t: Box<T>) -> &'static T::F<'a> {
- | ------------ required by this bound in `bug`
-...
LL | bug(Box::new(x));
| ^^^ expected slice `[u8]`, found `i32`
+ |
+note: required by a bound in `bug`
+ --> $DIR/issue-74684-2.rs:13:28
+ |
+LL | fn bug<'a, T: ?Sized + Fun<F<'a> = [u8]>>(t: Box<T>) -> &'static T::F<'a> {
+ | ^^^^^^^^^^^^ required by this bound in `bug`
error: aborting due to previous error
diff --git a/src/test/ui/generic-associated-types/issue-74816.stderr b/src/test/ui/generic-associated-types/issue-74816.stderr
index c910261ca52a0..49ae87cbfe9dc 100644
--- a/src/test/ui/generic-associated-types/issue-74816.stderr
+++ b/src/test/ui/generic-associated-types/issue-74816.stderr
@@ -2,11 +2,13 @@ error[E0277]: the trait bound `Self: Trait1` is not satisfied
--> $DIR/issue-74816.rs:9:5
|
LL | type Associated: Trait1 = Self;
- | ^^^^^^^^^^^^^^^^^------^^^^^^^^
- | | |
- | | required by this bound in `Trait2::Associated`
- | the trait `Trait1` is not implemented for `Self`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Trait1` is not implemented for `Self`
|
+note: required by a bound in `Trait2::Associated`
+ --> $DIR/issue-74816.rs:9:22
+ |
+LL | type Associated: Trait1 = Self;
+ | ^^^^^^ required by this bound in `Trait2::Associated`
help: consider further restricting `Self`
|
LL | trait Trait2: Trait1 {
@@ -16,11 +18,13 @@ error[E0277]: the size for values of type `Self` cannot be known at compilation
--> $DIR/issue-74816.rs:9:5
|
LL | type Associated: Trait1 = Self;
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- | |
- | doesn't have a size known at compile-time
- | required by this bound in `Trait2::Associated`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
|
+note: required by a bound in `Trait2::Associated`
+ --> $DIR/issue-74816.rs:9:5
+ |
+LL | type Associated: Trait1 = Self;
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Trait2::Associated`
help: consider further restricting `Self`
|
LL | trait Trait2: Sized {
diff --git a/src/test/ui/generic-associated-types/issue-74824.stderr b/src/test/ui/generic-associated-types/issue-74824.stderr
index aef44a164a98c..bd51e5a447b1b 100644
--- a/src/test/ui/generic-associated-types/issue-74824.stderr
+++ b/src/test/ui/generic-associated-types/issue-74824.stderr
@@ -2,21 +2,26 @@ error[E0277]: the trait bound `Box<T>: Copy` is not satisfied
--> $DIR/issue-74824.rs:7:5
|
LL | type Copy<T>: Copy = Box<T>;
- | ^^^^^^^^^^^^^^----^^^^^^^^^^
- | | |
- | | required by this bound in `UnsafeCopy::Copy`
- | the trait `Copy` is not implemented for `Box<T>`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `Box<T>`
+ |
+note: required by a bound in `UnsafeCopy::Copy`
+ --> $DIR/issue-74824.rs:7:19
+ |
+LL | type Copy<T>: Copy = Box<T>;
+ | ^^^^ required by this bound in `UnsafeCopy::Copy`
error[E0277]: the trait bound `T: Clone` is not satisfied
--> $DIR/issue-74824.rs:7:5
|
LL | type Copy<T>: Copy = Box<T>;
- | ^^^^^^^^^^^^^^----^^^^^^^^^^
- | | |
- | | required by this bound in `UnsafeCopy::Copy`
- | the trait `Clone` is not implemented for `T`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `T`
|
= note: required because of the requirements on the impl of `Clone` for `Box<T>`
+note: required by a bound in `UnsafeCopy::Copy`
+ --> $DIR/issue-74824.rs:7:19
+ |
+LL | type Copy<T>: Copy = Box<T>;
+ | ^^^^ required by this bound in `UnsafeCopy::Copy`
help: consider restricting type parameter `T`
|
LL | type Copy<T: std::clone::Clone>: Copy = Box<T>;
diff --git a/src/test/ui/generic-associated-types/projection-bound-cycle-generic.stderr b/src/test/ui/generic-associated-types/projection-bound-cycle-generic.stderr
index e7f801a7bd4b1..5e7e72ca562dd 100644
--- a/src/test/ui/generic-associated-types/projection-bound-cycle-generic.stderr
+++ b/src/test/ui/generic-associated-types/projection-bound-cycle-generic.stderr
@@ -1,11 +1,14 @@
error[E0275]: overflow evaluating the requirement `<T as Foo>::Item: Sized`
--> $DIR/projection-bound-cycle-generic.rs:44:18
|
-LL | type Item: Sized where <Self as Foo>::Item: Sized;
- | ----- required by this bound in `Foo::Item`
-...
LL | type Assoc = OnlySized<<T as Foo>::Item>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+note: required by a bound in `Foo::Item`
+ --> $DIR/projection-bound-cycle-generic.rs:11:49
+ |
+LL | type Item: Sized where <Self as Foo>::Item: Sized;
+ | ^^^^^ required by this bound in `Foo::Item`
error: aborting due to previous error
diff --git a/src/test/ui/generic-associated-types/projection-bound-cycle.stderr b/src/test/ui/generic-associated-types/projection-bound-cycle.stderr
index 67195c65d36e6..1153bf53ba43e 100644
--- a/src/test/ui/generic-associated-types/projection-bound-cycle.stderr
+++ b/src/test/ui/generic-associated-types/projection-bound-cycle.stderr
@@ -1,11 +1,14 @@
error[E0275]: overflow evaluating the requirement `<T as Foo>::Item: Sized`
--> $DIR/projection-bound-cycle.rs:46:18
|
-LL | type Item: Sized where <Self as Foo>::Item: Sized;
- | ----- required by this bound in `Foo::Item`
-...
LL | type Assoc = OnlySized<<T as Foo>::Item>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+note: required by a bound in `Foo::Item`
+ --> $DIR/projection-bound-cycle.rs:13:49
+ |
+LL | type Item: Sized where <Self as Foo>::Item: Sized;
+ | ^^^^^ required by this bound in `Foo::Item`
error: aborting due to previous error
diff --git a/src/test/ui/generics/issue-61631-default-type-param-can-reference-self-in-trait.stderr b/src/test/ui/generics/issue-61631-default-type-param-can-reference-self-in-trait.stderr
index 2b88a6046fdfd..2c397d80b013e 100644
--- a/src/test/ui/generics/issue-61631-default-type-param-can-reference-self-in-trait.stderr
+++ b/src/test/ui/generics/issue-61631-default-type-param-can-reference-self-in-trait.stderr
@@ -1,13 +1,15 @@
error[E0277]: the size for values of type `[()]` cannot be known at compilation time
--> $DIR/issue-61631-default-type-param-can-reference-self-in-trait.rs:19:6
|
-LL | trait Tsized<P: Sized = [Self]> {}
- | - required by this bound in `Tsized`
-LL |
LL | impl Tsized for () {}
| ^^^^^^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `[()]`
+note: required by a bound in `Tsized`
+ --> $DIR/issue-61631-default-type-param-can-reference-self-in-trait.rs:17:14
+ |
+LL | trait Tsized<P: Sized = [Self]> {}
+ | ^ required by this bound in `Tsized`
error: aborting due to previous error
diff --git a/src/test/ui/hrtb/hrtb-higher-ranker-supertraits-transitive.stderr b/src/test/ui/hrtb/hrtb-higher-ranker-supertraits-transitive.stderr
index 55eca0345139e..d8267712c2b8a 100644
--- a/src/test/ui/hrtb/hrtb-higher-ranker-supertraits-transitive.stderr
+++ b/src/test/ui/hrtb/hrtb-higher-ranker-supertraits-transitive.stderr
@@ -1,14 +1,16 @@
error[E0277]: the trait bound `for<'ccx> B: Bar<'ccx>` is not satisfied
--> $DIR/hrtb-higher-ranker-supertraits-transitive.rs:47:26
|
-LL | fn want_bar_for_any_ccx<B>(b: &B)
- | -------------------- required by a bound in this
-LL | where B : for<'ccx> Bar<'ccx>
- | ------------------- required by this bound in `want_bar_for_any_ccx`
-...
LL | want_bar_for_any_ccx(b);
| ^ the trait `for<'ccx> Bar<'ccx>` is not implemented for `B`
|
+note: required by a bound in `want_bar_for_any_ccx`
+ --> $DIR/hrtb-higher-ranker-supertraits-transitive.rs:32:15
+ |
+LL | fn want_bar_for_any_ccx<B>(b: &B)
+ | -------------------- required by a bound in this
+LL | where B : for<'ccx> Bar<'ccx>
+ | ^^^^^^^^^^^^^^^^^^^ required by this bound in `want_bar_for_any_ccx`
help: consider further restricting this bound
|
LL | where B : Qux + for<'ccx> Bar<'ccx>
diff --git a/src/test/ui/hrtb/hrtb-higher-ranker-supertraits.stderr b/src/test/ui/hrtb/hrtb-higher-ranker-supertraits.stderr
index d7758ad960985..a510c05055c14 100644
--- a/src/test/ui/hrtb/hrtb-higher-ranker-supertraits.stderr
+++ b/src/test/ui/hrtb/hrtb-higher-ranker-supertraits.stderr
@@ -3,12 +3,14 @@ error[E0277]: the trait bound `for<'tcx> F: Foo<'tcx>` is not satisfied
|
LL | want_foo_for_any_tcx(f);
| ^ the trait `for<'tcx> Foo<'tcx>` is not implemented for `F`
-...
+ |
+note: required by a bound in `want_foo_for_any_tcx`
+ --> $DIR/hrtb-higher-ranker-supertraits.rs:22:15
+ |
LL | fn want_foo_for_any_tcx<F>(f: &F)
| -------------------- required by a bound in this
LL | where F : for<'tcx> Foo<'tcx>
- | ------------------- required by this bound in `want_foo_for_any_tcx`
- |
+ | ^^^^^^^^^^^^^^^^^^^ required by this bound in `want_foo_for_any_tcx`
help: consider further restricting this bound
|
LL | where F : Foo<'x> + for<'tcx> Foo<'tcx>
@@ -19,12 +21,14 @@ error[E0277]: the trait bound `for<'ccx> B: Bar<'ccx>` is not satisfied
|
LL | want_bar_for_any_ccx(b);
| ^ the trait `for<'ccx> Bar<'ccx>` is not implemented for `B`
-...
+ |
+note: required by a bound in `want_bar_for_any_ccx`
+ --> $DIR/hrtb-higher-ranker-supertraits.rs:39:15
+ |
LL | fn want_bar_for_any_ccx<B>(b: &B)
| -------------------- required by a bound in this
LL | where B : for<'ccx> Bar<'ccx>
- | ------------------- required by this bound in `want_bar_for_any_ccx`
- |
+ | ^^^^^^^^^^^^^^^^^^^ required by this bound in `want_bar_for_any_ccx`
help: consider further restricting this bound
|
LL | where B : Bar<'x> + for<'ccx> Bar<'ccx>
diff --git a/src/test/ui/impl-trait/auto-trait-leak2.stderr b/src/test/ui/impl-trait/auto-trait-leak2.stderr
index 6b2b8248a4f21..5a8e503601468 100644
--- a/src/test/ui/impl-trait/auto-trait-leak2.stderr
+++ b/src/test/ui/impl-trait/auto-trait-leak2.stderr
@@ -4,22 +4,21 @@ error[E0277]: `Rc<Cell<i32>>` cannot be sent between threads safely
LL | fn before() -> impl Fn(i32) {
| ------------ within this `impl Fn<(i32,)>`
...
-LL | fn send<T: Send>(_: T) {}
- | ---- required by this bound in `send`
-...
LL | send(before());
| ^^^^ `Rc<Cell<i32>>` cannot be sent between threads safely
|
= help: within `impl Fn<(i32,)>`, the trait `Send` is not implemented for `Rc<Cell<i32>>`
= note: required because it appears within the type `[closure@$DIR/auto-trait-leak2.rs:7:5: 7:22]`
= note: required because it appears within the type `impl Fn<(i32,)>`
+note: required by a bound in `send`
+ --> $DIR/auto-trait-leak2.rs:10:12
+ |
+LL | fn send<T: Send>(_: T) {}
+ | ^^^^ required by this bound in `send`
error[E0277]: `Rc<Cell<i32>>` cannot be sent between threads safely
--> $DIR/auto-trait-leak2.rs:16:5
|
-LL | fn send<T: Send>(_: T) {}
- | ---- required by this bound in `send`
-...
LL | send(after());
| ^^^^ `Rc<Cell<i32>>` cannot be sent between threads safely
...
@@ -29,6 +28,11 @@ LL | fn after() -> impl Fn(i32) {
= help: within `impl Fn<(i32,)>`, the trait `Send` is not implemented for `Rc<Cell<i32>>`
= note: required because it appears within the type `[closure@$DIR/auto-trait-leak2.rs:24:5: 24:22]`
= note: required because it appears within the type `impl Fn<(i32,)>`
+note: required by a bound in `send`
+ --> $DIR/auto-trait-leak2.rs:10:12
+ |
+LL | fn send<T: Send>(_: T) {}
+ | ^^^^ required by this bound in `send`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/inference/issue-86162-1.stderr b/src/test/ui/inference/issue-86162-1.stderr
index f4e2161d7b86e..8d6f50748cbeb 100644
--- a/src/test/ui/inference/issue-86162-1.stderr
+++ b/src/test/ui/inference/issue-86162-1.stderr
@@ -1,13 +1,15 @@
error[E0283]: type annotations needed
--> $DIR/issue-86162-1.rs:7:5
|
-LL | fn foo(x: impl Clone) {}
- | ----- required by this bound in `foo`
-...
LL | foo(gen()); //<- Do not suggest `foo::<impl Clone>()`!
| ^^^ cannot infer type for type parameter `impl Clone` declared on the function `foo`
|
= note: cannot satisfy `_: Clone`
+note: required by a bound in `foo`
+ --> $DIR/issue-86162-1.rs:3:16
+ |
+LL | fn foo(x: impl Clone) {}
+ | ^^^^^ required by this bound in `foo`
error: aborting due to previous error
diff --git a/src/test/ui/inference/issue-86162-2.stderr b/src/test/ui/inference/issue-86162-2.stderr
index 19f741e1cf6f6..5f80c595628e4 100644
--- a/src/test/ui/inference/issue-86162-2.stderr
+++ b/src/test/ui/inference/issue-86162-2.stderr
@@ -1,13 +1,15 @@
error[E0283]: type annotations needed
--> $DIR/issue-86162-2.rs:12:5
|
-LL | fn bar(x: impl Clone) {}
- | ----- required by this bound in `Foo::bar`
-...
LL | Foo::bar(gen()); //<- Do not suggest `Foo::bar::<impl Clone>()`!
| ^^^^^^^^ cannot infer type for type parameter `impl Clone` declared on the associated function `bar`
|
= note: cannot satisfy `_: Clone`
+note: required by a bound in `Foo::bar`
+ --> $DIR/issue-86162-2.rs:8:20
+ |
+LL | fn bar(x: impl Clone) {}
+ | ^^^^^ required by this bound in `Foo::bar`
error: aborting due to previous error
diff --git a/src/test/ui/interior-mutability/interior-mutability.stderr b/src/test/ui/interior-mutability/interior-mutability.stderr
index af6e005311778..cb22d5adb717d 100644
--- a/src/test/ui/interior-mutability/interior-mutability.stderr
+++ b/src/test/ui/interior-mutability/interior-mutability.stderr
@@ -4,15 +4,15 @@ error[E0277]: the type `UnsafeCell<i32>` may contain interior mutability and a r
LL | catch_unwind(|| { x.set(23); });
| ^^^^^^^^^^^^ `UnsafeCell<i32>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
|
- ::: $SRC_DIR/std/src/panic.rs:LL:COL
- |
-LL | pub fn catch_unwind<F: FnOnce() -> R + UnwindSafe, R>(f: F) -> Result<R> {
- | ---------- required by this bound in `catch_unwind`
- |
= help: within `Cell<i32>`, the trait `RefUnwindSafe` is not implemented for `UnsafeCell<i32>`
= note: required because it appears within the type `Cell<i32>`
= note: required because of the requirements on the impl of `UnwindSafe` for `&Cell<i32>`
= note: required because it appears within the type `[closure@$DIR/interior-mutability.rs:5:18: 5:35]`
+note: required by a bound in `catch_unwind`
+ --> $SRC_DIR/std/src/panic.rs:LL:COL
+ |
+LL | pub fn catch_unwind<F: FnOnce() -> R + UnwindSafe, R>(f: F) -> Result<R> {
+ | ^^^^^^^^^^ required by this bound in `catch_unwind`
error: aborting due to previous error
diff --git a/src/test/ui/issues/issue-10412.stderr b/src/test/ui/issues/issue-10412.stderr
index ee5b81391e97c..053a93e6cd8c7 100644
--- a/src/test/ui/issues/issue-10412.stderr
+++ b/src/test/ui/issues/issue-10412.stderr
@@ -51,13 +51,15 @@ LL | impl<'self> Serializable<str> for &'self str {
error[E0277]: the size for values of type `str` cannot be known at compilation time
--> $DIR/issue-10412.rs:6:13
|
-LL | trait Serializable<'self, T> {
- | - required by this bound in `Serializable`
-...
LL | impl<'self> Serializable<str> for &'self str {
| ^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `str`
+note: required by a bound in `Serializable`
+ --> $DIR/issue-10412.rs:1:27
+ |
+LL | trait Serializable<'self, T> {
+ | ^ required by this bound in `Serializable`
help: consider relaxing the implicit `Sized` restriction
|
LL | trait Serializable<'self, T: ?Sized> {
diff --git a/src/test/ui/issues/issue-18611.stderr b/src/test/ui/issues/issue-18611.stderr
index 0e942e80e2544..b702196abdf94 100644
--- a/src/test/ui/issues/issue-18611.stderr
+++ b/src/test/ui/issues/issue-18611.stderr
@@ -3,9 +3,12 @@ error[E0277]: the trait bound `isize: HasState` is not satisfied
|
LL | fn add_state(op: <isize as HasState>::State) {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `HasState` is not implemented for `isize`
-...
+ |
+note: required by a bound in `HasState`
+ --> $DIR/issue-18611.rs:5:1
+ |
LL | trait HasState {
- | -------------- required by this bound in `HasState`
+ | ^^^^^^^^^^^^^^ required by this bound in `HasState`
error: aborting due to previous error
diff --git a/src/test/ui/issues/issue-18919.stderr b/src/test/ui/issues/issue-18919.stderr
index d4b93eb074cfe..d7dbb8299b9ef 100644
--- a/src/test/ui/issues/issue-18919.stderr
+++ b/src/test/ui/issues/issue-18919.stderr
@@ -3,11 +3,13 @@ error[E0277]: the size for values of type `dyn for<'r> Fn(&'r isize) -> isize` c
|
LL | fn ho_func(f: Option<FuncType>) {
| ^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
-...
-LL | enum Option<T> {
- | - required by this bound in `Option`
|
= help: the trait `Sized` is not implemented for `dyn for<'r> Fn(&'r isize) -> isize`
+note: required by a bound in `Option`
+ --> $DIR/issue-18919.rs:7:13
+ |
+LL | enum Option<T> {
+ | ^ required by this bound in `Option`
help: you could relax the implicit `Sized` bound on `T` if it were used through indirection like `&T` or `Box<T>`
--> $DIR/issue-18919.rs:7:13
|
diff --git a/src/test/ui/issues/issue-1920-1.stderr b/src/test/ui/issues/issue-1920-1.stderr
index 0a2459c3a5dd5..a546924253c2a 100644
--- a/src/test/ui/issues/issue-1920-1.stderr
+++ b/src/test/ui/issues/issue-1920-1.stderr
@@ -1,11 +1,14 @@
error[E0277]: the trait bound `S: Clone` is not satisfied
--> $DIR/issue-1920-1.rs:12:20
|
-LL | fn assert_clone<T>() where T : Clone { }
- | ----- required by this bound in `assert_clone`
-...
LL | assert_clone::<foo::issue_1920::S>();
| ^^^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `S`
+ |
+note: required by a bound in `assert_clone`
+ --> $DIR/issue-1920-1.rs:9:32
+ |
+LL | fn assert_clone<T>() where T : Clone { }
+ | ^^^^^ required by this bound in `assert_clone`
error: aborting due to previous error
diff --git a/src/test/ui/issues/issue-1920-2.stderr b/src/test/ui/issues/issue-1920-2.stderr
index 06bc78a387fd1..1083b011252e9 100644
--- a/src/test/ui/issues/issue-1920-2.stderr
+++ b/src/test/ui/issues/issue-1920-2.stderr
@@ -1,11 +1,14 @@
error[E0277]: the trait bound `S: Clone` is not satisfied
--> $DIR/issue-1920-2.rs:10:20
|
-LL | fn assert_clone<T>() where T : Clone { }
- | ----- required by this bound in `assert_clone`
-...
LL | assert_clone::<bar::S>();
| ^^^^^^ the trait `Clone` is not implemented for `S`
+ |
+note: required by a bound in `assert_clone`
+ --> $DIR/issue-1920-2.rs:7:32
+ |
+LL | fn assert_clone<T>() where T : Clone { }
+ | ^^^^^ required by this bound in `assert_clone`
error: aborting due to previous error
diff --git a/src/test/ui/issues/issue-1920-3.stderr b/src/test/ui/issues/issue-1920-3.stderr
index 48d3105bf9d6f..3f0787c887570 100644
--- a/src/test/ui/issues/issue-1920-3.stderr
+++ b/src/test/ui/issues/issue-1920-3.stderr
@@ -1,11 +1,14 @@
error[E0277]: the trait bound `S: Clone` is not satisfied
--> $DIR/issue-1920-3.rs:14:20
|
-LL | fn assert_clone<T>() where T : Clone { }
- | ----- required by this bound in `assert_clone`
-...
LL | assert_clone::<foo::issue_1920::S>();
| ^^^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `S`
+ |
+note: required by a bound in `assert_clone`
+ --> $DIR/issue-1920-3.rs:11:32
+ |
+LL | fn assert_clone<T>() where T : Clone { }
+ | ^^^^^ required by this bound in `assert_clone`
error: aborting due to previous error
diff --git a/src/test/ui/issues/issue-20413.stderr b/src/test/ui/issues/issue-20413.stderr
index 28f87a75f0f15..572c8ee33ce3c 100644
--- a/src/test/ui/issues/issue-20413.stderr
+++ b/src/test/ui/issues/issue-20413.stderr
@@ -10,9 +10,6 @@ LL | struct NoData<T>;
error[E0275]: overflow evaluating the requirement `NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<T>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>: Foo`
--> $DIR/issue-20413.rs:8:36
|
-LL | trait Foo {
- | --------- required by this bound in `Foo`
-...
LL | impl<T> Foo for T where NoData<T>: Foo {
| ^^^
|
@@ -24,13 +21,15 @@ LL | impl<T> Foo for T where NoData<T>: Foo {
| ^^^ ^
= note: 127 redundant requirements hidden
= note: required because of the requirements on the impl of `Foo` for `NoData<T>`
+note: required by a bound in `Foo`
+ --> $DIR/issue-20413.rs:1:1
+ |
+LL | trait Foo {
+ | ^^^^^^^^^ required by this bound in `Foo`
error[E0275]: overflow evaluating the requirement `NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<T>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>: Foo`
--> $DIR/issue-20413.rs:8:36
|
-LL | trait Foo {
- | --------- required by this bound in `Foo`
-...
LL | impl<T> Foo for T where NoData<T>: Foo {
| ^^^
|
@@ -42,13 +41,15 @@ LL | impl<T> Foo for T where NoData<T>: Foo {
| ^^^ ^
= note: 127 redundant requirements hidden
= note: required because of the requirements on the impl of `Foo` for `NoData<T>`
+note: required by a bound in `Foo`
+ --> $DIR/issue-20413.rs:1:1
+ |
+LL | trait Foo {
+ | ^^^^^^^^^ required by this bound in `Foo`
error[E0275]: overflow evaluating the requirement `EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<T>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>: Baz`
--> $DIR/issue-20413.rs:28:42
|
-LL | trait Baz {
- | --------- required by this bound in `Baz`
-...
LL | impl<T> Bar for T where EvenLessData<T>: Baz {
| ^^^
|
@@ -65,13 +66,15 @@ LL | impl<T> Baz for T where AlmostNoData<T>: Bar {
| ^^^ ^
= note: 126 redundant requirements hidden
= note: required because of the requirements on the impl of `Baz` for `EvenLessData<T>`
+note: required by a bound in `Baz`
+ --> $DIR/issue-20413.rs:20:1
+ |
+LL | trait Baz {
+ | ^^^^^^^^^ required by this bound in `Baz`
error[E0275]: overflow evaluating the requirement `EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<T>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>: Baz`
--> $DIR/issue-20413.rs:28:42
|
-LL | trait Baz {
- | --------- required by this bound in `Baz`
-...
LL | impl<T> Bar for T where EvenLessData<T>: Baz {
| ^^^
|
@@ -88,13 +91,15 @@ LL | impl<T> Baz for T where AlmostNoData<T>: Bar {
| ^^^ ^
= note: 126 redundant requirements hidden
= note: required because of the requirements on the impl of `Baz` for `EvenLessData<T>`
+note: required by a bound in `Baz`
+ --> $DIR/issue-20413.rs:20:1
+ |
+LL | trait Baz {
+ | ^^^^^^^^^ required by this bound in `Baz`
error[E0275]: overflow evaluating the requirement `AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<T>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>: Bar`
--> $DIR/issue-20413.rs:36:42
|
-LL | trait Bar {
- | --------- required by this bound in `Bar`
-...
LL | impl<T> Baz for T where AlmostNoData<T>: Bar {
| ^^^
|
@@ -111,13 +116,15 @@ LL | impl<T> Bar for T where EvenLessData<T>: Baz {
| ^^^ ^
= note: 126 redundant requirements hidden
= note: required because of the requirements on the impl of `Bar` for `AlmostNoData<T>`
+note: required by a bound in `Bar`
+ --> $DIR/issue-20413.rs:16:1
+ |
+LL | trait Bar {
+ | ^^^^^^^^^ required by this bound in `Bar`
error[E0275]: overflow evaluating the requirement `AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<T>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>: Bar`
--> $DIR/issue-20413.rs:36:42
|
-LL | trait Bar {
- | --------- required by this bound in `Bar`
-...
LL | impl<T> Baz for T where AlmostNoData<T>: Bar {
| ^^^
|
@@ -134,6 +141,11 @@ LL | impl<T> Bar for T where EvenLessData<T>: Baz {
| ^^^ ^
= note: 126 redundant requirements hidden
= note: required because of the requirements on the impl of `Bar` for `AlmostNoData<T>`
+note: required by a bound in `Bar`
+ --> $DIR/issue-20413.rs:16:1
+ |
+LL | trait Bar {
+ | ^^^^^^^^^ required by this bound in `Bar`
error: aborting due to 7 previous errors
diff --git a/src/test/ui/issues/issue-20433.stderr b/src/test/ui/issues/issue-20433.stderr
index b9e9bfe1b8cb1..9d3bb8b924d61 100644
--- a/src/test/ui/issues/issue-20433.stderr
+++ b/src/test/ui/issues/issue-20433.stderr
@@ -4,12 +4,12 @@ error[E0277]: the size for values of type `[i32]` cannot be known at compilation
LL | fn iceman(c: Vec<[i32]>) {}
| ^^^^^^^^^^ doesn't have a size known at compile-time
|
- ::: $SRC_DIR/alloc/src/vec/mod.rs:LL:COL
+ = help: the trait `Sized` is not implemented for `[i32]`
+note: required by a bound in `Vec`
+ --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL
|
LL | pub struct Vec<T, #[unstable(feature = "allocator_api", issue = "32838")] A: Allocator = Global> {
- | - required by this bound in `Vec`
- |
- = help: the trait `Sized` is not implemented for `[i32]`
+ | ^ required by this bound in `Vec`
error: aborting due to previous error
diff --git a/src/test/ui/issues/issue-21160.stderr b/src/test/ui/issues/issue-21160.stderr
index e9aa8e27089aa..92742b50619e0 100644
--- a/src/test/ui/issues/issue-21160.stderr
+++ b/src/test/ui/issues/issue-21160.stderr
@@ -6,11 +6,11 @@ LL | #[derive(Hash)]
LL | struct Foo(Bar);
| ^^^ the trait `Hash` is not implemented for `Bar`
|
- ::: $SRC_DIR/core/src/hash/mod.rs:LL:COL
+note: required by a bound in `std::hash::Hash::hash`
+ --> $SRC_DIR/core/src/hash/mod.rs:LL:COL
|
LL | fn hash<H: Hasher>(&self, state: &mut H);
- | - required by this bound in `std::hash::Hash::hash`
- |
+ | ^ required by this bound in `std::hash::Hash::hash`
= note: this error originates in the derive macro `Hash` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to previous error
diff --git a/src/test/ui/issues/issue-21763.stderr b/src/test/ui/issues/issue-21763.stderr
index 4d27f507e26e8..b8b38c0a723e9 100644
--- a/src/test/ui/issues/issue-21763.stderr
+++ b/src/test/ui/issues/issue-21763.stderr
@@ -1,9 +1,6 @@
error[E0277]: `Rc<()>` cannot be sent between threads safely
--> $DIR/issue-21763.rs:9:5
|
-LL | fn foo<T: Send>() {}
- | ---- required by this bound in `foo`
-...
LL | foo::<HashMap<Rc<()>, Rc<()>>>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `Rc<()>` cannot be sent between threads safely
|
@@ -12,6 +9,11 @@ LL | foo::<HashMap<Rc<()>, Rc<()>>>();
= note: required because of the requirements on the impl of `Send` for `hashbrown::raw::RawTable<(Rc<()>, Rc<()>)>`
= note: required because it appears within the type `hashbrown::map::HashMap<Rc<()>, Rc<()>, RandomState>`
= note: required because it appears within the type `HashMap<Rc<()>, Rc<()>>`
+note: required by a bound in `foo`
+ --> $DIR/issue-21763.rs:6:11
+ |
+LL | fn foo<T: Send>() {}
+ | ^^^^ required by this bound in `foo`
error: aborting due to previous error
diff --git a/src/test/ui/issues/issue-21837.stderr b/src/test/ui/issues/issue-21837.stderr
index 4b5768d1291ac..3d38526649992 100644
--- a/src/test/ui/issues/issue-21837.stderr
+++ b/src/test/ui/issues/issue-21837.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `T: Bound` is not satisfied
--> $DIR/issue-21837.rs:8:20
|
-LL | pub struct Foo<T: Bound>(T);
- | ----- required by this bound in `Foo`
-...
LL | impl<T> Trait2 for Foo<T> {}
| ^^^^^^ the trait `Bound` is not implemented for `T`
|
+note: required by a bound in `Foo`
+ --> $DIR/issue-21837.rs:2:19
+ |
+LL | pub struct Foo<T: Bound>(T);
+ | ^^^^^ required by this bound in `Foo`
help: consider restricting type parameter `T`
|
LL | impl<T: Bound> Trait2 for Foo<T> {}
diff --git a/src/test/ui/issues/issue-21974.stderr b/src/test/ui/issues/issue-21974.stderr
index fea2c7d5d26d7..3b6663513bb5f 100644
--- a/src/test/ui/issues/issue-21974.stderr
+++ b/src/test/ui/issues/issue-21974.stderr
@@ -1,13 +1,15 @@
error[E0283]: type annotations needed
--> $DIR/issue-21974.rs:11:19
|
-LL | trait Foo {
- | --------- required by this bound in `Foo`
-...
LL | where &'a T : Foo,
| ^^^ cannot infer type for reference `&'a T`
|
= note: cannot satisfy `&'a T: Foo`
+note: required by a bound in `Foo`
+ --> $DIR/issue-21974.rs:6:1
+ |
+LL | trait Foo {
+ | ^^^^^^^^^ required by this bound in `Foo`
error: aborting due to previous error
diff --git a/src/test/ui/issues/issue-23281.stderr b/src/test/ui/issues/issue-23281.stderr
index a3d2583292551..804334c9b0d24 100644
--- a/src/test/ui/issues/issue-23281.stderr
+++ b/src/test/ui/issues/issue-23281.stderr
@@ -3,11 +3,13 @@ error[E0277]: the size for values of type `(dyn Fn() + 'static)` cannot be known
|
LL | pub fn function(funs: Vec<dyn Fn() -> ()>) {}
| ^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
-...
-LL | struct Vec<T> {
- | - required by this bound in `Vec`
|
= help: the trait `Sized` is not implemented for `(dyn Fn() + 'static)`
+note: required by a bound in `Vec`
+ --> $DIR/issue-23281.rs:8:12
+ |
+LL | struct Vec<T> {
+ | ^ required by this bound in `Vec`
help: you could relax the implicit `Sized` bound on `T` if it were used through indirection like `&T` or `Box<T>`
--> $DIR/issue-23281.rs:8:12
|
diff --git a/src/test/ui/issues/issue-24424.stderr b/src/test/ui/issues/issue-24424.stderr
index 9f5e934295b87..4896006b645da 100644
--- a/src/test/ui/issues/issue-24424.stderr
+++ b/src/test/ui/issues/issue-24424.stderr
@@ -1,13 +1,15 @@
error[E0283]: type annotations needed
--> $DIR/issue-24424.rs:4:57
|
-LL | trait Trait0<'l0> {}
- | ----------------- required by this bound in `Trait0`
-LL |
LL | impl <'l0, 'l1, T0> Trait1<'l0, T0> for bool where T0 : Trait0<'l0>, T0 : Trait0<'l1> {}
| ^^^^^^^^^^^ cannot infer type for type parameter `T0`
|
= note: cannot satisfy `T0: Trait0<'l0>`
+note: required by a bound in `Trait0`
+ --> $DIR/issue-24424.rs:2:1
+ |
+LL | trait Trait0<'l0> {}
+ | ^^^^^^^^^^^^^^^^^ required by this bound in `Trait0`
error: aborting due to previous error
diff --git a/src/test/ui/issues/issue-25076.stderr b/src/test/ui/issues/issue-25076.stderr
index 27c577a0d5f6d..ece99596e58f4 100644
--- a/src/test/ui/issues/issue-25076.stderr
+++ b/src/test/ui/issues/issue-25076.stderr
@@ -1,11 +1,14 @@
error[E0277]: the trait bound `(): InOut<_>` is not satisfied
--> $DIR/issue-25076.rs:10:20
|
-LL | fn do_fold<B, F: InOut<B, Out=B>>(init: B, f: F) {}
- | --------------- required by this bound in `do_fold`
-...
LL | do_fold(bot(), ());
| ^^ the trait `InOut<_>` is not implemented for `()`
+ |
+note: required by a bound in `do_fold`
+ --> $DIR/issue-25076.rs:5:18
+ |
+LL | fn do_fold<B, F: InOut<B, Out=B>>(init: B, f: F) {}
+ | ^^^^^^^^^^^^^^^ required by this bound in `do_fold`
error: aborting due to previous error
diff --git a/src/test/ui/issues/issue-32963.stderr b/src/test/ui/issues/issue-32963.stderr
index 76c62c1c6dd62..b5aa7b1b94d15 100644
--- a/src/test/ui/issues/issue-32963.stderr
+++ b/src/test/ui/issues/issue-32963.stderr
@@ -23,11 +23,14 @@ LL | size_of_copy::<dyn Misc + Copy>();
error[E0277]: the trait bound `dyn Misc: Copy` is not satisfied
--> $DIR/issue-32963.rs:8:5
|
-LL | fn size_of_copy<T: Copy+?Sized>() -> usize { mem::size_of::<T>() }
- | ---- required by this bound in `size_of_copy`
-...
LL | size_of_copy::<dyn Misc + Copy>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `dyn Misc`
+ |
+note: required by a bound in `size_of_copy`
+ --> $DIR/issue-32963.rs:5:20
+ |
+LL | fn size_of_copy<T: Copy+?Sized>() -> usize { mem::size_of::<T>() }
+ | ^^^^ required by this bound in `size_of_copy`
error: aborting due to 3 previous errors
diff --git a/src/test/ui/issues/issue-40827.stderr b/src/test/ui/issues/issue-40827.stderr
index 38c3af935c564..3b2d232e61f7e 100644
--- a/src/test/ui/issues/issue-40827.stderr
+++ b/src/test/ui/issues/issue-40827.stderr
@@ -1,9 +1,6 @@
error[E0277]: `Rc<Foo>` cannot be shared between threads safely
--> $DIR/issue-40827.rs:14:5
|
-LL | fn f<T: Send>(_: T) {}
- | ---- required by this bound in `f`
-...
LL | f(Foo(Arc::new(Bar::B(None))));
| ^ `Rc<Foo>` cannot be shared between threads safely
|
@@ -19,13 +16,15 @@ note: required because it appears within the type `Foo`
|
LL | struct Foo(Arc<Bar>);
| ^^^
+note: required by a bound in `f`
+ --> $DIR/issue-40827.rs:11:9
+ |
+LL | fn f<T: Send>(_: T) {}
+ | ^^^^ required by this bound in `f`
error[E0277]: `Rc<Foo>` cannot be sent between threads safely
--> $DIR/issue-40827.rs:14:5
|
-LL | fn f<T: Send>(_: T) {}
- | ---- required by this bound in `f`
-...
LL | f(Foo(Arc::new(Bar::B(None))));
| ^ `Rc<Foo>` cannot be sent between threads safely
|
@@ -41,6 +40,11 @@ note: required because it appears within the type `Foo`
|
LL | struct Foo(Arc<Bar>);
| ^^^
+note: required by a bound in `f`
+ --> $DIR/issue-40827.rs:11:9
+ |
+LL | fn f<T: Send>(_: T) {}
+ | ^^^^ required by this bound in `f`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/issues/issue-43623.stderr b/src/test/ui/issues/issue-43623.stderr
index 4bc5eb03e922c..b99f367d73365 100644
--- a/src/test/ui/issues/issue-43623.stderr
+++ b/src/test/ui/issues/issue-43623.stderr
@@ -1,17 +1,20 @@
error[E0631]: type mismatch in function arguments
--> $DIR/issue-43623.rs:16:5
|
-LL | pub fn break_me<T, F>(f: F)
- | -------- required by a bound in this
-...
-LL | F: for<'b> FnMut(<T as Trait<'b>>::Assoc),
- | ------------------------------ required by this bound in `break_me`
-LL | {
LL | break_me::<Type, fn(_)>;
| ^^^^^^^^^^^^^^^^^^^^^^^
| |
| expected signature of `for<'b> fn(<Type as Trait<'b>>::Assoc) -> _`
| found signature of `fn(()) -> _`
+ |
+note: required by a bound in `break_me`
+ --> $DIR/issue-43623.rs:14:16
+ |
+LL | pub fn break_me<T, F>(f: F)
+ | -------- required by a bound in this
+...
+LL | F: for<'b> FnMut(<T as Trait<'b>>::Assoc),
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `break_me`
error: aborting due to previous error
diff --git a/src/test/ui/issues/issue-43784-supertrait.stderr b/src/test/ui/issues/issue-43784-supertrait.stderr
index 7fd1fd90ccca5..bb890cb99ee37 100644
--- a/src/test/ui/issues/issue-43784-supertrait.stderr
+++ b/src/test/ui/issues/issue-43784-supertrait.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `T: Copy` is not satisfied
--> $DIR/issue-43784-supertrait.rs:8:9
|
-LL | pub trait Complete: Partial {
- | ------- required by this bound in `Complete`
-...
LL | impl<T> Complete for T {}
| ^^^^^^^^ the trait `Copy` is not implemented for `T`
|
+note: required by a bound in `Complete`
+ --> $DIR/issue-43784-supertrait.rs:4:21
+ |
+LL | pub trait Complete: Partial {
+ | ^^^^^^^ required by this bound in `Complete`
help: consider restricting type parameter `T`
|
LL | impl<T: std::marker::Copy> Complete for T {}
diff --git a/src/test/ui/issues/issue-47706.stderr b/src/test/ui/issues/issue-47706.stderr
index c84d8ecb4c9e6..d9680a26e09c7 100644
--- a/src/test/ui/issues/issue-47706.stderr
+++ b/src/test/ui/issues/issue-47706.stderr
@@ -13,14 +13,17 @@ error[E0593]: function is expected to take 0 arguments, but it takes 1 argument
LL | Bar(i32),
| -------- takes 1 argument
...
+LL | foo(Qux::Bar);
+ | ^^^^^^^^ expected function that takes 0 arguments
+ |
+note: required by a bound in `foo`
+ --> $DIR/issue-47706.rs:22:8
+ |
LL | fn foo<F>(f: F)
| --- required by a bound in this
LL | where
LL | F: Fn(),
- | ---- required by this bound in `foo`
-...
-LL | foo(Qux::Bar);
- | ^^^^^^^^ expected function that takes 0 arguments
+ | ^^^^ required by this bound in `foo`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/issues/issue-54954.stderr b/src/test/ui/issues/issue-54954.stderr
index 9de58d83c8b07..df76a985559d0 100644
--- a/src/test/ui/issues/issue-54954.stderr
+++ b/src/test/ui/issues/issue-54954.stderr
@@ -9,11 +9,13 @@ error[E0283]: type annotations needed
|
LL | const ARR_LEN: usize = Tt::const_val::<[i8; 123]>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
-...
-LL | const fn const_val<T: Sized>() -> usize {
- | - required by this bound in `Tt::const_val`
|
= note: cannot satisfy `_: Tt`
+note: required by a bound in `Tt::const_val`
+ --> $DIR/issue-54954.rs:5:24
+ |
+LL | const fn const_val<T: Sized>() -> usize {
+ | ^ required by this bound in `Tt::const_val`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/issues/issue-59494.stderr b/src/test/ui/issues/issue-59494.stderr
index e2ac5d94da108..90af47dfa7911 100644
--- a/src/test/ui/issues/issue-59494.stderr
+++ b/src/test/ui/issues/issue-59494.stderr
@@ -1,13 +1,15 @@
error[E0277]: expected a `Fn<(_,)>` closure, found `impl Fn<(((_, _), _),)>`
--> $DIR/issue-59494.rs:21:22
|
-LL | fn t8n<A, B, C>(f: impl Fn(A) -> B, g: impl Fn(A) -> C) -> impl Fn(A) -> (B, C)
- | ---------- required by this bound in `t8n`
-...
LL | let t8 = t8n(t7, t7p(f, g));
| ^^^^^^^^^ expected an `Fn<(_,)>` closure, found `impl Fn<(((_, _), _),)>`
|
= help: the trait `Fn<(_,)>` is not implemented for `impl Fn<(((_, _), _),)>`
+note: required by a bound in `t8n`
+ --> $DIR/issue-59494.rs:5:45
+ |
+LL | fn t8n<A, B, C>(f: impl Fn(A) -> B, g: impl Fn(A) -> C) -> impl Fn(A) -> (B, C)
+ | ^^^^^^^^^^ required by this bound in `t8n`
error: aborting due to previous error
diff --git a/src/test/ui/issues/issue-60218.stderr b/src/test/ui/issues/issue-60218.stderr
index a2b2fdd4fd24f..a16363d7c8730 100644
--- a/src/test/ui/issues/issue-60218.stderr
+++ b/src/test/ui/issues/issue-60218.stderr
@@ -1,14 +1,17 @@
error[E0277]: the trait bound `for<'t> <Map<<&'t _ as IntoIterator>::IntoIter, _> as Iterator>::Item: Foo` is not satisfied
--> $DIR/issue-60218.rs:18:5
|
+LL | trigger_error(vec![], |x: &u32| x)
+ | ^^^^^^^^^^^^^ the trait `for<'t> Foo` is not implemented for `<Map<<&'t _ as IntoIterator>::IntoIter, _> as Iterator>::Item`
+ |
+note: required by a bound in `trigger_error`
+ --> $DIR/issue-60218.rs:13:72
+ |
LL | pub fn trigger_error<I, F>(iterable: I, functor: F)
| ------------- required by a bound in this
...
LL | for<'t> <Map<<&'t I as IntoIterator>::IntoIter, F> as Iterator>::Item: Foo,
- | --- required by this bound in `trigger_error`
-...
-LL | trigger_error(vec![], |x: &u32| x)
- | ^^^^^^^^^^^^^ the trait `for<'t> Foo` is not implemented for `<Map<<&'t _ as IntoIterator>::IntoIter, _> as Iterator>::Item`
+ | ^^^ required by this bound in `trigger_error`
error: aborting due to previous error
diff --git a/src/test/ui/issues/issue-60283.stderr b/src/test/ui/issues/issue-60283.stderr
index 7241128d17aa9..2ee5510521458 100644
--- a/src/test/ui/issues/issue-60283.stderr
+++ b/src/test/ui/issues/issue-60283.stderr
@@ -1,17 +1,20 @@
error[E0631]: type mismatch in function arguments
--> $DIR/issue-60283.rs:17:13
|
-LL | pub fn foo<T, F>(_: T, _: F)
- | --- required by a bound in this
-...
-LL | F: for<'a> FnMut(<T as Trait<'a>>::Item),
- | ----------------------------- required by this bound in `foo`
-...
LL | foo((), drop)
| ^^^^
| |
| expected signature of `for<'a> fn(<() as Trait<'a>>::Item) -> _`
| found signature of `fn(()) -> _`
+ |
+note: required by a bound in `foo`
+ --> $DIR/issue-60283.rs:12:16
+ |
+LL | pub fn foo<T, F>(_: T, _: F)
+ | --- required by a bound in this
+...
+LL | F: for<'a> FnMut(<T as Trait<'a>>::Item),
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `foo`
error[E0277]: the size for values of type `<() as Trait<'_>>::Item` cannot be known at compilation time
--> $DIR/issue-60283.rs:17:13
@@ -19,12 +22,12 @@ error[E0277]: the size for values of type `<() as Trait<'_>>::Item` cannot be kn
LL | foo((), drop)
| ^^^^ doesn't have a size known at compile-time
|
- ::: $SRC_DIR/core/src/mem/mod.rs:LL:COL
+ = help: the trait `Sized` is not implemented for `<() as Trait<'_>>::Item`
+note: required by a bound in `std::mem::drop`
+ --> $SRC_DIR/core/src/mem/mod.rs:LL:COL
|
LL | pub fn drop<T>(_x: T) {}
- | - required by this bound in `std::mem::drop`
- |
- = help: the trait `Sized` is not implemented for `<() as Trait<'_>>::Item`
+ | ^ required by this bound in `std::mem::drop`
help: consider further restricting the associated type
|
LL | fn main() where <() as Trait<'_>>::Item: Sized {
diff --git a/src/test/ui/issues/issue-87199.stderr b/src/test/ui/issues/issue-87199.stderr
index 87b284abf201c..fc9418b36b633 100644
--- a/src/test/ui/issues/issue-87199.stderr
+++ b/src/test/ui/issues/issue-87199.stderr
@@ -19,13 +19,15 @@ LL | fn ret() -> impl Iterator<Item = ()> + ?Send { std::iter::empty() }
error[E0277]: the size for values of type `[i32]` cannot be known at compilation time
--> $DIR/issue-87199.rs:18:22
|
-LL | fn ref_arg<T: ?Send>(_: &T) {}
- | - required by this bound in `ref_arg`
-...
LL | ref_arg::<[i32]>(&[5]);
| ^^^^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `[i32]`
+note: required by a bound in `ref_arg`
+ --> $DIR/issue-87199.rs:10:12
+ |
+LL | fn ref_arg<T: ?Send>(_: &T) {}
+ | ^ required by this bound in `ref_arg`
help: consider relaxing the implicit `Sized` restriction
|
LL | fn ref_arg<T: ?Send + ?Sized>(_: &T) {}
diff --git a/src/test/ui/iterators/bound.stderr b/src/test/ui/iterators/bound.stderr
index eaf2e66d0f8c2..cc7ded498fc20 100644
--- a/src/test/ui/iterators/bound.stderr
+++ b/src/test/ui/iterators/bound.stderr
@@ -1,13 +1,16 @@
error[E0277]: `u8` is not an iterator
--> $DIR/bound.rs:2:10
|
-LL | struct S<I: Iterator>(I);
- | -------- required by this bound in `S`
LL | struct T(S<u8>);
| ^^^^^ `u8` is not an iterator
|
= help: the trait `Iterator` is not implemented for `u8`
= note: if you want to iterate between `start` until a value `end`, use the exclusive range syntax `start..end` or the inclusive range syntax `start..=end`
+note: required by a bound in `S`
+ --> $DIR/bound.rs:1:13
+ |
+LL | struct S<I: Iterator>(I);
+ | ^^^^^^^^ required by this bound in `S`
error: aborting due to previous error
diff --git a/src/test/ui/kindck/kindck-copy.stderr b/src/test/ui/kindck/kindck-copy.stderr
index 119430457320f..6977804708d5e 100644
--- a/src/test/ui/kindck/kindck-copy.stderr
+++ b/src/test/ui/kindck/kindck-copy.stderr
@@ -1,107 +1,138 @@
error[E0277]: the trait bound `&'static mut isize: Copy` is not satisfied
--> $DIR/kindck-copy.rs:27:19
|
-LL | fn assert_copy<T:Copy>() { }
- | ---- required by this bound in `assert_copy`
-...
LL | assert_copy::<&'static mut isize>();
| ^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `&'static mut isize`
|
= help: the following implementations were found:
<isize as Copy>
+note: required by a bound in `assert_copy`
+ --> $DIR/kindck-copy.rs:5:18
+ |
+LL | fn assert_copy<T:Copy>() { }
+ | ^^^^ required by this bound in `assert_copy`
error[E0277]: the trait bound `&'a mut isize: Copy` is not satisfied
--> $DIR/kindck-copy.rs:28:19
|
-LL | fn assert_copy<T:Copy>() { }
- | ---- required by this bound in `assert_copy`
-...
LL | assert_copy::<&'a mut isize>();
| ^^^^^^^^^^^^^ the trait `Copy` is not implemented for `&'a mut isize`
|
= help: the following implementations were found:
<isize as Copy>
+note: required by a bound in `assert_copy`
+ --> $DIR/kindck-copy.rs:5:18
+ |
+LL | fn assert_copy<T:Copy>() { }
+ | ^^^^ required by this bound in `assert_copy`
error[E0277]: the trait bound `Box<isize>: Copy` is not satisfied
--> $DIR/kindck-copy.rs:31:19
|
-LL | fn assert_copy<T:Copy>() { }
- | ---- required by this bound in `assert_copy`
-...
LL | assert_copy::<Box<isize>>();
| ^^^^^^^^^^ the trait `Copy` is not implemented for `Box<isize>`
+ |
+note: required by a bound in `assert_copy`
+ --> $DIR/kindck-copy.rs:5:18
+ |
+LL | fn assert_copy<T:Copy>() { }
+ | ^^^^ required by this bound in `assert_copy`
error[E0277]: the trait bound `String: Copy` is not satisfied
--> $DIR/kindck-copy.rs:32:19
|
-LL | fn assert_copy<T:Copy>() { }
- | ---- required by this bound in `assert_copy`
-...
LL | assert_copy::<String>();
| ^^^^^^ the trait `Copy` is not implemented for `String`
+ |
+note: required by a bound in `assert_copy`
+ --> $DIR/kindck-copy.rs:5:18
+ |
+LL | fn assert_copy<T:Copy>() { }
+ | ^^^^ required by this bound in `assert_copy`
error[E0277]: the trait bound `Vec<isize>: Copy` is not satisfied
--> $DIR/kindck-copy.rs:33:19
|
-LL | fn assert_copy<T:Copy>() { }
- | ---- required by this bound in `assert_copy`
-...
LL | assert_copy::<Vec<isize> >();
| ^^^^^^^^^^ the trait `Copy` is not implemented for `Vec<isize>`
+ |
+note: required by a bound in `assert_copy`
+ --> $DIR/kindck-copy.rs:5:18
+ |
+LL | fn assert_copy<T:Copy>() { }
+ | ^^^^ required by this bound in `assert_copy`
error[E0277]: the trait bound `Box<&'a mut isize>: Copy` is not satisfied
--> $DIR/kindck-copy.rs:34:19
|
-LL | fn assert_copy<T:Copy>() { }
- | ---- required by this bound in `assert_copy`
-...
LL | assert_copy::<Box<&'a mut isize>>();
| ^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `Box<&'a mut isize>`
+ |
+note: required by a bound in `assert_copy`
+ --> $DIR/kindck-copy.rs:5:18
+ |
+LL | fn assert_copy<T:Copy>() { }
+ | ^^^^ required by this bound in `assert_copy`
error[E0277]: the trait bound `Box<dyn Dummy>: Copy` is not satisfied
--> $DIR/kindck-copy.rs:42:5
|
-LL | fn assert_copy<T:Copy>() { }
- | ---- required by this bound in `assert_copy`
-...
LL | assert_copy::<Box<dyn Dummy>>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `Box<dyn Dummy>`
+ |
+note: required by a bound in `assert_copy`
+ --> $DIR/kindck-copy.rs:5:18
+ |
+LL | fn assert_copy<T:Copy>() { }
+ | ^^^^ required by this bound in `assert_copy`
error[E0277]: the trait bound `Box<dyn Dummy + Send>: Copy` is not satisfied
--> $DIR/kindck-copy.rs:43:5
|
-LL | fn assert_copy<T:Copy>() { }
- | ---- required by this bound in `assert_copy`
-...
LL | assert_copy::<Box<dyn Dummy + Send>>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `Box<dyn Dummy + Send>`
+ |
+note: required by a bound in `assert_copy`
+ --> $DIR/kindck-copy.rs:5:18
+ |
+LL | fn assert_copy<T:Copy>() { }
+ | ^^^^ required by this bound in `assert_copy`
error[E0277]: the trait bound `&'a mut (dyn Dummy + Send + 'a): Copy` is not satisfied
--> $DIR/kindck-copy.rs:46:19
|
-LL | fn assert_copy<T:Copy>() { }
- | ---- required by this bound in `assert_copy`
-...
LL | assert_copy::<&'a mut (dyn Dummy + Send)>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `&'a mut (dyn Dummy + Send + 'a)`
+ |
+note: required by a bound in `assert_copy`
+ --> $DIR/kindck-copy.rs:5:18
+ |
+LL | fn assert_copy<T:Copy>() { }
+ | ^^^^ required by this bound in `assert_copy`
error[E0277]: the trait bound `MyNoncopyStruct: Copy` is not satisfied
--> $DIR/kindck-copy.rs:64:19
|
-LL | fn assert_copy<T:Copy>() { }
- | ---- required by this bound in `assert_copy`
-...
LL | assert_copy::<MyNoncopyStruct>();
| ^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `MyNoncopyStruct`
+ |
+note: required by a bound in `assert_copy`
+ --> $DIR/kindck-copy.rs:5:18
+ |
+LL | fn assert_copy<T:Copy>() { }
+ | ^^^^ required by this bound in `assert_copy`
error[E0277]: the trait bound `Rc<isize>: Copy` is not satisfied
--> $DIR/kindck-copy.rs:67:19
|
-LL | fn assert_copy<T:Copy>() { }
- | ---- required by this bound in `assert_copy`
-...
LL | assert_copy::<Rc<isize>>();
| ^^^^^^^^^ the trait `Copy` is not implemented for `Rc<isize>`
+ |
+note: required by a bound in `assert_copy`
+ --> $DIR/kindck-copy.rs:5:18
+ |
+LL | fn assert_copy<T:Copy>() { }
+ | ^^^^ required by this bound in `assert_copy`
error: aborting due to 11 previous errors
diff --git a/src/test/ui/kindck/kindck-impl-type-params-2.stderr b/src/test/ui/kindck/kindck-impl-type-params-2.stderr
index c635ebdbb7f46..60ad68cec4143 100644
--- a/src/test/ui/kindck/kindck-impl-type-params-2.stderr
+++ b/src/test/ui/kindck/kindck-impl-type-params-2.stderr
@@ -1,9 +1,6 @@
error[E0277]: the trait bound `Box<{integer}>: Foo` is not satisfied
--> $DIR/kindck-impl-type-params-2.rs:13:16
|
-LL | fn take_param<T:Foo>(foo: &T) { }
- | --- required by this bound in `take_param`
-...
LL | take_param(&x);
| ^^ the trait `Copy` is not implemented for `Box<{integer}>`
|
@@ -12,6 +9,11 @@ note: required because of the requirements on the impl of `Foo` for `Box<{intege
|
LL | impl<T:Copy> Foo for T {
| ^^^ ^
+note: required by a bound in `take_param`
+ --> $DIR/kindck-impl-type-params-2.rs:9:17
+ |
+LL | fn take_param<T:Foo>(foo: &T) { }
+ | ^^^ required by this bound in `take_param`
error: aborting due to previous error
diff --git a/src/test/ui/kindck/kindck-inherited-copy-bound.curr.stderr b/src/test/ui/kindck/kindck-inherited-copy-bound.curr.stderr
index 86eaca83f2040..ac43c549d8d92 100644
--- a/src/test/ui/kindck/kindck-inherited-copy-bound.curr.stderr
+++ b/src/test/ui/kindck/kindck-inherited-copy-bound.curr.stderr
@@ -1,9 +1,6 @@
error[E0277]: the trait bound `Box<{integer}>: Foo` is not satisfied
--> $DIR/kindck-inherited-copy-bound.rs:21:16
|
-LL | fn take_param<T:Foo>(foo: &T) { }
- | --- required by this bound in `take_param`
-...
LL | take_param(&x);
| ^^ the trait `Copy` is not implemented for `Box<{integer}>`
|
@@ -12,6 +9,11 @@ note: required because of the requirements on the impl of `Foo` for `Box<{intege
|
LL | impl<T:Copy> Foo for T {
| ^^^ ^
+note: required by a bound in `take_param`
+ --> $DIR/kindck-inherited-copy-bound.rs:17:17
+ |
+LL | fn take_param<T:Foo>(foo: &T) { }
+ | ^^^ required by this bound in `take_param`
error[E0038]: the trait `Foo` cannot be made into an object
--> $DIR/kindck-inherited-copy-bound.rs:28:19
diff --git a/src/test/ui/kindck/kindck-inherited-copy-bound.object_safe_for_dispatch.stderr b/src/test/ui/kindck/kindck-inherited-copy-bound.object_safe_for_dispatch.stderr
index 49c5cd40b589a..a486ab17c888f 100644
--- a/src/test/ui/kindck/kindck-inherited-copy-bound.object_safe_for_dispatch.stderr
+++ b/src/test/ui/kindck/kindck-inherited-copy-bound.object_safe_for_dispatch.stderr
@@ -1,9 +1,6 @@
error[E0277]: the trait bound `Box<{integer}>: Foo` is not satisfied
--> $DIR/kindck-inherited-copy-bound.rs:21:16
|
-LL | fn take_param<T:Foo>(foo: &T) { }
- | --- required by this bound in `take_param`
-...
LL | take_param(&x);
| ^^ the trait `Copy` is not implemented for `Box<{integer}>`
|
@@ -12,6 +9,11 @@ note: required because of the requirements on the impl of `Foo` for `Box<{intege
|
LL | impl<T:Copy> Foo for T {
| ^^^ ^
+note: required by a bound in `take_param`
+ --> $DIR/kindck-inherited-copy-bound.rs:17:17
+ |
+LL | fn take_param<T:Foo>(foo: &T) { }
+ | ^^^ required by this bound in `take_param`
error[E0038]: the trait `Foo` cannot be made into an object
--> $DIR/kindck-inherited-copy-bound.rs:28:13
diff --git a/src/test/ui/kindck/kindck-nonsendable-1.stderr b/src/test/ui/kindck/kindck-nonsendable-1.stderr
index c7d67a991bffc..b3ebe7f5c7dc3 100644
--- a/src/test/ui/kindck/kindck-nonsendable-1.stderr
+++ b/src/test/ui/kindck/kindck-nonsendable-1.stderr
@@ -1,9 +1,6 @@
error[E0277]: `Rc<usize>` cannot be sent between threads safely
--> $DIR/kindck-nonsendable-1.rs:9:5
|
-LL | fn bar<F:FnOnce() + Send>(_: F) { }
- | ---- required by this bound in `bar`
-...
LL | bar(move|| foo(x));
| ^^^ ------------- within this `[closure@$DIR/kindck-nonsendable-1.rs:9:9: 9:22]`
| |
@@ -11,6 +8,11 @@ LL | bar(move|| foo(x));
|
= help: within `[closure@$DIR/kindck-nonsendable-1.rs:9:9: 9:22]`, the trait `Send` is not implemented for `Rc<usize>`
= note: required because it appears within the type `[closure@$DIR/kindck-nonsendable-1.rs:9:9: 9:22]`
+note: required by a bound in `bar`
+ --> $DIR/kindck-nonsendable-1.rs:5:21
+ |
+LL | fn bar<F:FnOnce() + Send>(_: F) { }
+ | ^^^^ required by this bound in `bar`
error: aborting due to previous error
diff --git a/src/test/ui/kindck/kindck-send-object.stderr b/src/test/ui/kindck/kindck-send-object.stderr
index 0df7df853711e..f14983a518909 100644
--- a/src/test/ui/kindck/kindck-send-object.stderr
+++ b/src/test/ui/kindck/kindck-send-object.stderr
@@ -1,27 +1,31 @@
error[E0277]: `(dyn Dummy + 'static)` cannot be shared between threads safely
--> $DIR/kindck-send-object.rs:12:5
|
-LL | fn assert_send<T:Send>() { }
- | ---- required by this bound in `assert_send`
-...
LL | assert_send::<&'static (dyn Dummy + 'static)>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `(dyn Dummy + 'static)` cannot be shared between threads safely
|
= help: the trait `Sync` is not implemented for `(dyn Dummy + 'static)`
= note: required because of the requirements on the impl of `Send` for `&'static (dyn Dummy + 'static)`
+note: required by a bound in `assert_send`
+ --> $DIR/kindck-send-object.rs:5:18
+ |
+LL | fn assert_send<T:Send>() { }
+ | ^^^^ required by this bound in `assert_send`
error[E0277]: `dyn Dummy` cannot be sent between threads safely
--> $DIR/kindck-send-object.rs:17:5
|
-LL | fn assert_send<T:Send>() { }
- | ---- required by this bound in `assert_send`
-...
LL | assert_send::<Box<dyn Dummy>>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `dyn Dummy` cannot be sent between threads safely
|
= help: the trait `Send` is not implemented for `dyn Dummy`
= note: required because of the requirements on the impl of `Send` for `Unique<dyn Dummy>`
= note: required because it appears within the type `Box<dyn Dummy>`
+note: required by a bound in `assert_send`
+ --> $DIR/kindck-send-object.rs:5:18
+ |
+LL | fn assert_send<T:Send>() { }
+ | ^^^^ required by this bound in `assert_send`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/kindck/kindck-send-object1.nll.stderr b/src/test/ui/kindck/kindck-send-object1.nll.stderr
index 4792914d95e09..fa190449b6438 100644
--- a/src/test/ui/kindck/kindck-send-object1.nll.stderr
+++ b/src/test/ui/kindck/kindck-send-object1.nll.stderr
@@ -1,27 +1,31 @@
error[E0277]: `(dyn Dummy + 'a)` cannot be shared between threads safely
--> $DIR/kindck-send-object1.rs:10:5
|
-LL | fn assert_send<T:Send+'static>() { }
- | ---- required by this bound in `assert_send`
-...
LL | assert_send::<&'a dyn Dummy>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `(dyn Dummy + 'a)` cannot be shared between threads safely
|
= help: the trait `Sync` is not implemented for `(dyn Dummy + 'a)`
= note: required because of the requirements on the impl of `Send` for `&'a (dyn Dummy + 'a)`
+note: required by a bound in `assert_send`
+ --> $DIR/kindck-send-object1.rs:5:18
+ |
+LL | fn assert_send<T:Send+'static>() { }
+ | ^^^^ required by this bound in `assert_send`
error[E0277]: `(dyn Dummy + 'a)` cannot be sent between threads safely
--> $DIR/kindck-send-object1.rs:29:5
|
-LL | fn assert_send<T:Send+'static>() { }
- | ---- required by this bound in `assert_send`
-...
LL | assert_send::<Box<dyn Dummy + 'a>>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `(dyn Dummy + 'a)` cannot be sent between threads safely
|
= help: the trait `Send` is not implemented for `(dyn Dummy + 'a)`
= note: required because of the requirements on the impl of `Send` for `Unique<(dyn Dummy + 'a)>`
= note: required because it appears within the type `Box<(dyn Dummy + 'a)>`
+note: required by a bound in `assert_send`
+ --> $DIR/kindck-send-object1.rs:5:18
+ |
+LL | fn assert_send<T:Send+'static>() { }
+ | ^^^^ required by this bound in `assert_send`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/kindck/kindck-send-object1.stderr b/src/test/ui/kindck/kindck-send-object1.stderr
index b2b7097608071..58397b7f597f6 100644
--- a/src/test/ui/kindck/kindck-send-object1.stderr
+++ b/src/test/ui/kindck/kindck-send-object1.stderr
@@ -1,14 +1,16 @@
error[E0277]: `(dyn Dummy + 'a)` cannot be shared between threads safely
--> $DIR/kindck-send-object1.rs:10:5
|
-LL | fn assert_send<T:Send+'static>() { }
- | ---- required by this bound in `assert_send`
-...
LL | assert_send::<&'a dyn Dummy>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `(dyn Dummy + 'a)` cannot be shared between threads safely
|
= help: the trait `Sync` is not implemented for `(dyn Dummy + 'a)`
= note: required because of the requirements on the impl of `Send` for `&'a (dyn Dummy + 'a)`
+note: required by a bound in `assert_send`
+ --> $DIR/kindck-send-object1.rs:5:18
+ |
+LL | fn assert_send<T:Send+'static>() { }
+ | ^^^^ required by this bound in `assert_send`
error[E0477]: the type `&'a (dyn Dummy + Sync + 'a)` does not fulfill the required lifetime
--> $DIR/kindck-send-object1.rs:14:5
@@ -25,15 +27,17 @@ LL | fn assert_send<T:Send+'static>() { }
error[E0277]: `(dyn Dummy + 'a)` cannot be sent between threads safely
--> $DIR/kindck-send-object1.rs:29:5
|
-LL | fn assert_send<T:Send+'static>() { }
- | ---- required by this bound in `assert_send`
-...
LL | assert_send::<Box<dyn Dummy + 'a>>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `(dyn Dummy + 'a)` cannot be sent between threads safely
|
= help: the trait `Send` is not implemented for `(dyn Dummy + 'a)`
= note: required because of the requirements on the impl of `Send` for `Unique<(dyn Dummy + 'a)>`
= note: required because it appears within the type `Box<(dyn Dummy + 'a)>`
+note: required by a bound in `assert_send`
+ --> $DIR/kindck-send-object1.rs:5:18
+ |
+LL | fn assert_send<T:Send+'static>() { }
+ | ^^^^ required by this bound in `assert_send`
error: aborting due to 3 previous errors
diff --git a/src/test/ui/kindck/kindck-send-object2.stderr b/src/test/ui/kindck/kindck-send-object2.stderr
index f7fb32ac04ca6..527127e95a2cc 100644
--- a/src/test/ui/kindck/kindck-send-object2.stderr
+++ b/src/test/ui/kindck/kindck-send-object2.stderr
@@ -1,27 +1,31 @@
error[E0277]: `(dyn Dummy + 'static)` cannot be shared between threads safely
--> $DIR/kindck-send-object2.rs:7:5
|
-LL | fn assert_send<T:Send>() { }
- | ---- required by this bound in `assert_send`
-...
LL | assert_send::<&'static dyn Dummy>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `(dyn Dummy + 'static)` cannot be shared between threads safely
|
= help: the trait `Sync` is not implemented for `(dyn Dummy + 'static)`
= note: required because of the requirements on the impl of `Send` for `&'static (dyn Dummy + 'static)`
+note: required by a bound in `assert_send`
+ --> $DIR/kindck-send-object2.rs:3:18
+ |
+LL | fn assert_send<T:Send>() { }
+ | ^^^^ required by this bound in `assert_send`
error[E0277]: `dyn Dummy` cannot be sent between threads safely
--> $DIR/kindck-send-object2.rs:12:5
|
-LL | fn assert_send<T:Send>() { }
- | ---- required by this bound in `assert_send`
-...
LL | assert_send::<Box<dyn Dummy>>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `dyn Dummy` cannot be sent between threads safely
|
= help: the trait `Send` is not implemented for `dyn Dummy`
= note: required because of the requirements on the impl of `Send` for `Unique<dyn Dummy>`
= note: required because it appears within the type `Box<dyn Dummy>`
+note: required by a bound in `assert_send`
+ --> $DIR/kindck-send-object2.rs:3:18
+ |
+LL | fn assert_send<T:Send>() { }
+ | ^^^^ required by this bound in `assert_send`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/kindck/kindck-send-owned.stderr b/src/test/ui/kindck/kindck-send-owned.stderr
index d6664ec24f95c..454291aa95b39 100644
--- a/src/test/ui/kindck/kindck-send-owned.stderr
+++ b/src/test/ui/kindck/kindck-send-owned.stderr
@@ -1,15 +1,17 @@
error[E0277]: `*mut u8` cannot be sent between threads safely
--> $DIR/kindck-send-owned.rs:12:5
|
-LL | fn assert_send<T:Send>() { }
- | ---- required by this bound in `assert_send`
-...
LL | assert_send::<Box<*mut u8>>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ `*mut u8` cannot be sent between threads safely
|
= help: the trait `Send` is not implemented for `*mut u8`
= note: required because of the requirements on the impl of `Send` for `Unique<*mut u8>`
= note: required because it appears within the type `Box<*mut u8>`
+note: required by a bound in `assert_send`
+ --> $DIR/kindck-send-owned.rs:3:18
+ |
+LL | fn assert_send<T:Send>() { }
+ | ^^^^ required by this bound in `assert_send`
error: aborting due to previous error
diff --git a/src/test/ui/kindck/kindck-send-unsafe.stderr b/src/test/ui/kindck/kindck-send-unsafe.stderr
index 069e8dc67f6ad..ceed0053caa39 100644
--- a/src/test/ui/kindck/kindck-send-unsafe.stderr
+++ b/src/test/ui/kindck/kindck-send-unsafe.stderr
@@ -1,13 +1,15 @@
error[E0277]: `*mut &'a isize` cannot be sent between threads safely
--> $DIR/kindck-send-unsafe.rs:6:19
|
-LL | fn assert_send<T:Send>() { }
- | ---- required by this bound in `assert_send`
-...
LL | assert_send::<*mut &'a isize>();
| ^^^^^^^^^^^^^^ `*mut &'a isize` cannot be sent between threads safely
|
= help: the trait `Send` is not implemented for `*mut &'a isize`
+note: required by a bound in `assert_send`
+ --> $DIR/kindck-send-unsafe.rs:3:18
+ |
+LL | fn assert_send<T:Send>() { }
+ | ^^^^ required by this bound in `assert_send`
error: aborting due to previous error
diff --git a/src/test/ui/lifetimes/issue-34979.stderr b/src/test/ui/lifetimes/issue-34979.stderr
index 04ad0d1276647..b76d71a3d43c4 100644
--- a/src/test/ui/lifetimes/issue-34979.stderr
+++ b/src/test/ui/lifetimes/issue-34979.stderr
@@ -1,13 +1,15 @@
error[E0283]: type annotations needed
--> $DIR/issue-34979.rs:6:13
|
-LL | trait Foo {}
- | --------- required by this bound in `Foo`
-...
LL | &'a (): Foo,
| ^^^ cannot infer type for reference `&'a ()`
|
= note: cannot satisfy `&'a (): Foo`
+note: required by a bound in `Foo`
+ --> $DIR/issue-34979.rs:1:1
+ |
+LL | trait Foo {}
+ | ^^^^^^^^^ required by this bound in `Foo`
error: aborting due to previous error
diff --git a/src/test/ui/malformed/malformed-derive-entry.stderr b/src/test/ui/malformed/malformed-derive-entry.stderr
index 0eafb2d7587db..0ddce1be476c3 100644
--- a/src/test/ui/malformed/malformed-derive-entry.stderr
+++ b/src/test/ui/malformed/malformed-derive-entry.stderr
@@ -22,11 +22,11 @@ error[E0277]: the trait bound `Test1: Clone` is not satisfied
LL | #[derive(Copy(Bad))]
| ^^^^ the trait `Clone` is not implemented for `Test1`
|
- ::: $SRC_DIR/core/src/marker.rs:LL:COL
+note: required by a bound in `Copy`
+ --> $SRC_DIR/core/src/marker.rs:LL:COL
|
LL | pub trait Copy: Clone {
- | ----- required by this bound in `Copy`
- |
+ | ^^^^^ required by this bound in `Copy`
= note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0277]: the trait bound `Test2: Clone` is not satisfied
@@ -35,11 +35,11 @@ error[E0277]: the trait bound `Test2: Clone` is not satisfied
LL | #[derive(Copy="bad")]
| ^^^^ the trait `Clone` is not implemented for `Test2`
|
- ::: $SRC_DIR/core/src/marker.rs:LL:COL
+note: required by a bound in `Copy`
+ --> $SRC_DIR/core/src/marker.rs:LL:COL
|
LL | pub trait Copy: Clone {
- | ----- required by this bound in `Copy`
- |
+ | ^^^^^ required by this bound in `Copy`
= note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to 5 previous errors
diff --git a/src/test/ui/marker_trait_attr/overlap-marker-trait.stderr b/src/test/ui/marker_trait_attr/overlap-marker-trait.stderr
index 0fc266454ee80..1f34105979441 100644
--- a/src/test/ui/marker_trait_attr/overlap-marker-trait.stderr
+++ b/src/test/ui/marker_trait_attr/overlap-marker-trait.stderr
@@ -1,11 +1,14 @@
error[E0277]: the trait bound `NotDebugOrDisplay: Marker` is not satisfied
--> $DIR/overlap-marker-trait.rs:27:17
|
-LL | fn is_marker<T: Marker>() { }
- | ------ required by this bound in `is_marker`
-...
LL | is_marker::<NotDebugOrDisplay>();
| ^^^^^^^^^^^^^^^^^ the trait `Marker` is not implemented for `NotDebugOrDisplay`
+ |
+note: required by a bound in `is_marker`
+ --> $DIR/overlap-marker-trait.rs:15:17
+ |
+LL | fn is_marker<T: Marker>() { }
+ | ^^^^^^ required by this bound in `is_marker`
error: aborting due to previous error
diff --git a/src/test/ui/mir/issue-80742.stderr b/src/test/ui/mir/issue-80742.stderr
index d3983f9aae8f4..b2b40bea7082e 100644
--- a/src/test/ui/mir/issue-80742.stderr
+++ b/src/test/ui/mir/issue-80742.stderr
@@ -52,13 +52,15 @@ LL | [u8; size_of::<T>() + 1]: ,
error[E0277]: the size for values of type `dyn Debug` cannot be known at compilation time
--> $DIR/issue-80742.rs:31:15
|
-LL | struct Inline<T>
- | - required by this bound in `Inline`
-...
LL | let dst = Inline::<dyn Debug>::new(0);
| ^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `dyn Debug`
+note: required by a bound in `Inline`
+ --> $DIR/issue-80742.rs:13:15
+ |
+LL | struct Inline<T>
+ | ^ required by this bound in `Inline`
help: consider relaxing the implicit `Sized` restriction
|
LL | struct Inline<T: ?Sized>
diff --git a/src/test/ui/mismatched_types/E0631.stderr b/src/test/ui/mismatched_types/E0631.stderr
index 1b10325564a64..c8e81c93e2cbd 100644
--- a/src/test/ui/mismatched_types/E0631.stderr
+++ b/src/test/ui/mismatched_types/E0631.stderr
@@ -1,48 +1,60 @@
error[E0631]: type mismatch in closure arguments
--> $DIR/E0631.rs:7:5
|
-LL | fn foo<F: Fn(usize)>(_: F) {}
- | --------- required by this bound in `foo`
-...
LL | foo(|_: isize| {});
| ^^^ ---------- found signature of `fn(isize) -> _`
| |
| expected signature of `fn(usize) -> _`
+ |
+note: required by a bound in `foo`
+ --> $DIR/E0631.rs:3:11
+ |
+LL | fn foo<F: Fn(usize)>(_: F) {}
+ | ^^^^^^^^^ required by this bound in `foo`
error[E0631]: type mismatch in closure arguments
--> $DIR/E0631.rs:8:5
|
-LL | fn bar<F: Fn<usize>>(_: F) {}
- | --------- required by this bound in `bar`
-...
LL | bar(|_: isize| {});
| ^^^ ---------- found signature of `fn(isize) -> _`
| |
| expected signature of `fn(usize) -> _`
+ |
+note: required by a bound in `bar`
+ --> $DIR/E0631.rs:4:11
+ |
+LL | fn bar<F: Fn<usize>>(_: F) {}
+ | ^^^^^^^^^ required by this bound in `bar`
error[E0631]: type mismatch in function arguments
--> $DIR/E0631.rs:9:9
|
-LL | fn foo<F: Fn(usize)>(_: F) {}
- | --------- required by this bound in `foo`
-...
LL | fn f(_: u64) {}
| ------------ found signature of `fn(u64) -> _`
...
LL | foo(f);
| ^ expected signature of `fn(usize) -> _`
+ |
+note: required by a bound in `foo`
+ --> $DIR/E0631.rs:3:11
+ |
+LL | fn foo<F: Fn(usize)>(_: F) {}
+ | ^^^^^^^^^ required by this bound in `foo`
error[E0631]: type mismatch in function arguments
--> $DIR/E0631.rs:10:9
|
-LL | fn bar<F: Fn<usize>>(_: F) {}
- | --------- required by this bound in `bar`
-LL | fn main() {
LL | fn f(_: u64) {}
| ------------ found signature of `fn(u64) -> _`
...
LL | bar(f);
| ^ expected signature of `fn(usize) -> _`
+ |
+note: required by a bound in `bar`
+ --> $DIR/E0631.rs:4:11
+ |
+LL | fn bar<F: Fn<usize>>(_: F) {}
+ | ^^^^^^^^^ required by this bound in `bar`
error: aborting due to 4 previous errors
diff --git a/src/test/ui/mismatched_types/closure-arg-count.stderr b/src/test/ui/mismatched_types/closure-arg-count.stderr
index 2bea9572b7096..6790017246404 100644
--- a/src/test/ui/mismatched_types/closure-arg-count.stderr
+++ b/src/test/ui/mismatched_types/closure-arg-count.stderr
@@ -48,14 +48,16 @@ LL | [1, 2, 3].sort_by(|tuple, tuple2| panic!());
error[E0593]: closure is expected to take 1 argument, but it takes 0 arguments
--> $DIR/closure-arg-count.rs:13:5
|
-LL | fn f<F: Fn<usize>>(_: F) {}
- | --------- required by this bound in `f`
-...
LL | f(|| panic!());
| ^ -- takes 0 arguments
| |
| expected closure that takes 1 argument
|
+note: required by a bound in `f`
+ --> $DIR/closure-arg-count.rs:3:9
+ |
+LL | fn f<F: Fn<usize>>(_: F) {}
+ | ^^^^^^^^^ required by this bound in `f`
help: consider changing the closure to take and ignore the expected argument
|
LL | f(|_| panic!());
@@ -64,14 +66,16 @@ LL | f(|_| panic!());
error[E0593]: closure is expected to take 1 argument, but it takes 0 arguments
--> $DIR/closure-arg-count.rs:15:5
|
-LL | fn f<F: Fn<usize>>(_: F) {}
- | --------- required by this bound in `f`
-...
LL | f( move || panic!());
| ^ ---------- takes 0 arguments
| |
| expected closure that takes 1 argument
|
+note: required by a bound in `f`
+ --> $DIR/closure-arg-count.rs:3:9
+ |
+LL | fn f<F: Fn<usize>>(_: F) {}
+ | ^^^^^^^^^ required by this bound in `f`
help: consider changing the closure to take and ignore the expected argument
|
LL | f( move |_| panic!());
@@ -149,10 +153,14 @@ error[E0593]: function is expected to take 0 arguments, but it takes 1 argument
LL | call(Foo);
| ^^^ expected function that takes 0 arguments
...
-LL | fn call<F, R>(_: F) where F: FnOnce() -> R {}
- | ------------- required by this bound in `call`
LL | struct Foo(u8);
| --------------- takes 1 argument
+ |
+note: required by a bound in `call`
+ --> $DIR/closure-arg-count.rs:42:30
+ |
+LL | fn call<F, R>(_: F) where F: FnOnce() -> R {}
+ | ^^^^^^^^^^^^^ required by this bound in `call`
error: aborting due to 14 previous errors
diff --git a/src/test/ui/mismatched_types/fn-variance-1.stderr b/src/test/ui/mismatched_types/fn-variance-1.stderr
index dbb281bbf415e..afde894b3044d 100644
--- a/src/test/ui/mismatched_types/fn-variance-1.stderr
+++ b/src/test/ui/mismatched_types/fn-variance-1.stderr
@@ -3,12 +3,15 @@ error[E0631]: type mismatch in function arguments
|
LL | fn takes_mut(x: &mut isize) { }
| --------------------------- found signature of `for<'r> fn(&'r mut isize) -> _`
-LL |
-LL | fn apply<T, F>(t: T, f: F) where F: FnOnce(T) {
- | --------- required by this bound in `apply`
...
LL | apply(&3, takes_mut);
| ^^^^^^^^^ expected signature of `fn(&{integer}) -> _`
+ |
+note: required by a bound in `apply`
+ --> $DIR/fn-variance-1.rs:5:37
+ |
+LL | fn apply<T, F>(t: T, f: F) where F: FnOnce(T) {
+ | ^^^^^^^^^ required by this bound in `apply`
error[E0631]: type mismatch in function arguments
--> $DIR/fn-variance-1.rs:15:19
@@ -16,11 +19,14 @@ error[E0631]: type mismatch in function arguments
LL | fn takes_imm(x: &isize) { }
| ----------------------- found signature of `for<'r> fn(&'r isize) -> _`
...
-LL | fn apply<T, F>(t: T, f: F) where F: FnOnce(T) {
- | --------- required by this bound in `apply`
-...
LL | apply(&mut 3, takes_imm);
| ^^^^^^^^^ expected signature of `fn(&mut {integer}) -> _`
+ |
+note: required by a bound in `apply`
+ --> $DIR/fn-variance-1.rs:5:37
+ |
+LL | fn apply<T, F>(t: T, f: F) where F: FnOnce(T) {
+ | ^^^^^^^^^ required by this bound in `apply`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/mismatched_types/unboxed-closures-vtable-mismatch.rs b/src/test/ui/mismatched_types/unboxed-closures-vtable-mismatch.rs
index ab36b8536bf60..ad59462e9bd44 100644
--- a/src/test/ui/mismatched_types/unboxed-closures-vtable-mismatch.rs
+++ b/src/test/ui/mismatched_types/unboxed-closures-vtable-mismatch.rs
@@ -6,6 +6,7 @@ fn to_fn_mut<A,F:FnMut<A>>(f: F) -> F { f }
fn call_it<F:FnMut(isize,isize)->isize>(y: isize, mut f: F) -> isize {
//~^ NOTE required by this bound in `call_it`
+//~| NOTE required by a bound in `call_it`
f(2, y)
}
diff --git a/src/test/ui/mismatched_types/unboxed-closures-vtable-mismatch.stderr b/src/test/ui/mismatched_types/unboxed-closures-vtable-mismatch.stderr
index 111ff4a0c3251..4406f8a9e58b4 100644
--- a/src/test/ui/mismatched_types/unboxed-closures-vtable-mismatch.stderr
+++ b/src/test/ui/mismatched_types/unboxed-closures-vtable-mismatch.stderr
@@ -1,14 +1,17 @@
error[E0631]: type mismatch in closure arguments
- --> $DIR/unboxed-closures-vtable-mismatch.rs:15:24
+ --> $DIR/unboxed-closures-vtable-mismatch.rs:16:24
|
-LL | fn call_it<F:FnMut(isize,isize)->isize>(y: isize, mut f: F) -> isize {
- | ------------------------- required by this bound in `call_it`
-...
LL | let f = to_fn_mut(|x: usize, y: isize| -> isize { (x as isize) + y });
| ----------------------------- found signature of `fn(usize, isize) -> _`
LL |
LL | let z = call_it(3, f);
| ^ expected signature of `fn(isize, isize) -> _`
+ |
+note: required by a bound in `call_it`
+ --> $DIR/unboxed-closures-vtable-mismatch.rs:7:14
+ |
+LL | fn call_it<F:FnMut(isize,isize)->isize>(y: isize, mut f: F) -> isize {
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `call_it`
error: aborting due to previous error
diff --git a/src/test/ui/mut/mutable-enum-indirect.stderr b/src/test/ui/mut/mutable-enum-indirect.stderr
index 5b26f94115ac9..8ec478cd63fa1 100644
--- a/src/test/ui/mut/mutable-enum-indirect.stderr
+++ b/src/test/ui/mut/mutable-enum-indirect.stderr
@@ -1,9 +1,6 @@
error[E0277]: `NoSync` cannot be shared between threads safely
--> $DIR/mutable-enum-indirect.rs:17:5
|
-LL | fn bar<T: Sync>(_: T) {}
- | ---- required by this bound in `bar`
-...
LL | bar(&x);
| ^^^ `NoSync` cannot be shared between threads safely
|
@@ -14,6 +11,11 @@ note: required because it appears within the type `Foo`
LL | enum Foo { A(NoSync) }
| ^^^
= note: required because it appears within the type `&Foo`
+note: required by a bound in `bar`
+ --> $DIR/mutable-enum-indirect.rs:13:11
+ |
+LL | fn bar<T: Sync>(_: T) {}
+ | ^^^^ required by this bound in `bar`
error: aborting due to previous error
diff --git a/src/test/ui/mutexguard-sync.stderr b/src/test/ui/mutexguard-sync.stderr
index 588c32a755ee8..172e257ebf04a 100644
--- a/src/test/ui/mutexguard-sync.stderr
+++ b/src/test/ui/mutexguard-sync.stderr
@@ -1,14 +1,16 @@
error[E0277]: `Cell<i32>` cannot be shared between threads safely
--> $DIR/mutexguard-sync.rs:11:15
|
-LL | fn test_sync<T: Sync>(_t: T) {}
- | ---- required by this bound in `test_sync`
-...
LL | test_sync(guard);
| ^^^^^ `Cell<i32>` cannot be shared between threads safely
|
= help: the trait `Sync` is not implemented for `Cell<i32>`
= note: required because of the requirements on the impl of `Sync` for `MutexGuard<'_, Cell<i32>>`
+note: required by a bound in `test_sync`
+ --> $DIR/mutexguard-sync.rs:5:17
+ |
+LL | fn test_sync<T: Sync>(_t: T) {}
+ | ^^^^ required by this bound in `test_sync`
error: aborting due to previous error
diff --git a/src/test/ui/namespace/namespace-mix.stderr b/src/test/ui/namespace/namespace-mix.stderr
index 6c792c3314c97..e4e1071638876 100644
--- a/src/test/ui/namespace/namespace-mix.stderr
+++ b/src/test/ui/namespace/namespace-mix.stderr
@@ -99,398 +99,530 @@ LL | use xm8::V;
error[E0277]: the trait bound `c::Item: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:33:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(m1::S{});
| ^^^^^^^ the trait `Impossible` is not implemented for `c::Item`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `c::S: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:35:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(m2::S{});
| ^^^^^^^ the trait `Impossible` is not implemented for `c::S`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `c::Item: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:36:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(m2::S);
| ^^^^^ the trait `Impossible` is not implemented for `c::Item`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `namespace_mix::c::Item: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:39:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(xm1::S{});
| ^^^^^^^^ the trait `Impossible` is not implemented for `namespace_mix::c::Item`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `namespace_mix::c::S: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:41:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(xm2::S{});
| ^^^^^^^^ the trait `Impossible` is not implemented for `namespace_mix::c::S`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `namespace_mix::c::Item: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:42:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(xm2::S);
| ^^^^^^ the trait `Impossible` is not implemented for `namespace_mix::c::Item`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `c::Item: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:55:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(m3::TS{});
| ^^^^^^^^ the trait `Impossible` is not implemented for `c::Item`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `fn() -> c::TS {c::TS}: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:56:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(m3::TS);
| ^^^^^^ the trait `Impossible` is not implemented for `fn() -> c::TS {c::TS}`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `c::TS: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:57:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(m4::TS{});
| ^^^^^^^^ the trait `Impossible` is not implemented for `c::TS`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `c::Item: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:58:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(m4::TS);
| ^^^^^^ the trait `Impossible` is not implemented for `c::Item`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `namespace_mix::c::Item: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:61:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(xm3::TS{});
| ^^^^^^^^^ the trait `Impossible` is not implemented for `namespace_mix::c::Item`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `fn() -> namespace_mix::c::TS {namespace_mix::c::TS}: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:62:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(xm3::TS);
| ^^^^^^^ the trait `Impossible` is not implemented for `fn() -> namespace_mix::c::TS {namespace_mix::c::TS}`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `namespace_mix::c::TS: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:63:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(xm4::TS{});
| ^^^^^^^^^ the trait `Impossible` is not implemented for `namespace_mix::c::TS`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `namespace_mix::c::Item: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:64:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(xm4::TS);
| ^^^^^^^ the trait `Impossible` is not implemented for `namespace_mix::c::Item`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `c::Item: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:77:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(m5::US{});
| ^^^^^^^^ the trait `Impossible` is not implemented for `c::Item`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `c::US: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:78:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(m5::US);
| ^^^^^^ the trait `Impossible` is not implemented for `c::US`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `c::US: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:79:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(m6::US{});
| ^^^^^^^^ the trait `Impossible` is not implemented for `c::US`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `c::Item: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:80:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(m6::US);
| ^^^^^^ the trait `Impossible` is not implemented for `c::Item`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `namespace_mix::c::Item: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:83:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(xm5::US{});
| ^^^^^^^^^ the trait `Impossible` is not implemented for `namespace_mix::c::Item`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `namespace_mix::c::US: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:84:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(xm5::US);
| ^^^^^^^ the trait `Impossible` is not implemented for `namespace_mix::c::US`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `namespace_mix::c::US: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:85:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(xm6::US{});
| ^^^^^^^^^ the trait `Impossible` is not implemented for `namespace_mix::c::US`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `namespace_mix::c::Item: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:86:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(xm6::US);
| ^^^^^^^ the trait `Impossible` is not implemented for `namespace_mix::c::Item`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `c::Item: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:99:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(m7::V{});
| ^^^^^^^ the trait `Impossible` is not implemented for `c::Item`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `c::E: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:101:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(m8::V{});
| ^^^^^^^ the trait `Impossible` is not implemented for `c::E`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `c::Item: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:102:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(m8::V);
| ^^^^^ the trait `Impossible` is not implemented for `c::Item`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `namespace_mix::c::Item: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:105:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(xm7::V{});
| ^^^^^^^^ the trait `Impossible` is not implemented for `namespace_mix::c::Item`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `namespace_mix::c::E: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:107:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(xm8::V{});
| ^^^^^^^^ the trait `Impossible` is not implemented for `namespace_mix::c::E`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `namespace_mix::c::Item: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:108:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(xm8::V);
| ^^^^^^ the trait `Impossible` is not implemented for `namespace_mix::c::Item`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `c::Item: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:121:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(m9::TV{});
| ^^^^^^^^ the trait `Impossible` is not implemented for `c::Item`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `fn() -> c::E {c::E::TV}: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:122:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(m9::TV);
| ^^^^^^ the trait `Impossible` is not implemented for `fn() -> c::E {c::E::TV}`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `c::E: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:123:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(mA::TV{});
| ^^^^^^^^ the trait `Impossible` is not implemented for `c::E`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `c::Item: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:124:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(mA::TV);
| ^^^^^^ the trait `Impossible` is not implemented for `c::Item`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `namespace_mix::c::Item: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:127:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(xm9::TV{});
| ^^^^^^^^^ the trait `Impossible` is not implemented for `namespace_mix::c::Item`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `fn() -> namespace_mix::c::E {namespace_mix::xm7::TV}: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:128:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(xm9::TV);
| ^^^^^^^ the trait `Impossible` is not implemented for `fn() -> namespace_mix::c::E {namespace_mix::xm7::TV}`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `namespace_mix::c::E: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:129:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(xmA::TV{});
| ^^^^^^^^^ the trait `Impossible` is not implemented for `namespace_mix::c::E`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `namespace_mix::c::Item: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:130:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(xmA::TV);
| ^^^^^^^ the trait `Impossible` is not implemented for `namespace_mix::c::Item`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `c::Item: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:143:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(mB::UV{});
| ^^^^^^^^ the trait `Impossible` is not implemented for `c::Item`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `c::E: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:144:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(mB::UV);
| ^^^^^^ the trait `Impossible` is not implemented for `c::E`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `c::E: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:145:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(mC::UV{});
| ^^^^^^^^ the trait `Impossible` is not implemented for `c::E`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `c::Item: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:146:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(mC::UV);
| ^^^^^^ the trait `Impossible` is not implemented for `c::Item`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `namespace_mix::c::Item: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:149:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(xmB::UV{});
| ^^^^^^^^^ the trait `Impossible` is not implemented for `namespace_mix::c::Item`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `namespace_mix::c::E: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:150:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(xmB::UV);
| ^^^^^^^ the trait `Impossible` is not implemented for `namespace_mix::c::E`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `namespace_mix::c::E: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:151:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(xmC::UV{});
| ^^^^^^^^^ the trait `Impossible` is not implemented for `namespace_mix::c::E`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error[E0277]: the trait bound `namespace_mix::c::Item: Impossible` is not satisfied
--> $DIR/namespace-mix.rs:152:11
|
-LL | fn check<T: Impossible>(_: T) {}
- | ---------- required by this bound in `check`
-...
LL | check(xmC::UV);
| ^^^^^^^ the trait `Impossible` is not implemented for `namespace_mix::c::Item`
+ |
+note: required by a bound in `check`
+ --> $DIR/namespace-mix.rs:21:13
+ |
+LL | fn check<T: Impossible>(_: T) {}
+ | ^^^^^^^^^^ required by this bound in `check`
error: aborting due to 48 previous errors
diff --git a/src/test/ui/never_type/defaulted-never-note.rs b/src/test/ui/never_type/defaulted-never-note.rs
index 6979c3ec44318..70333c5f324f7 100644
--- a/src/test/ui/never_type/defaulted-never-note.rs
+++ b/src/test/ui/never_type/defaulted-never-note.rs
@@ -20,7 +20,7 @@ impl ImplementedForUnitButNotNever for () {}
fn foo<T: ImplementedForUnitButNotNever>(_t: T) {}
//~^ NOTE required by this bound in `foo`
-
+//~| NOTE required by a bound in `foo`
fn smeg() {
let _x = return;
foo(_x);
diff --git a/src/test/ui/never_type/defaulted-never-note.stderr b/src/test/ui/never_type/defaulted-never-note.stderr
index 99738375022f9..109a81a5ca047 100644
--- a/src/test/ui/never_type/defaulted-never-note.stderr
+++ b/src/test/ui/never_type/defaulted-never-note.stderr
@@ -1,15 +1,17 @@
error[E0277]: the trait bound `!: ImplementedForUnitButNotNever` is not satisfied
--> $DIR/defaulted-never-note.rs:26:5
|
-LL | fn foo<T: ImplementedForUnitButNotNever>(_t: T) {}
- | ----------------------------- required by this bound in `foo`
-...
LL | foo(_x);
| ^^^ the trait `ImplementedForUnitButNotNever` is not implemented for `!`
|
= note: this trait is implemented for `()`.
= note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #48950 <https://github.com/rust-lang/rust/issues/48950> for more information).
= help: did you intend to use the type `()` here instead?
+note: required by a bound in `foo`
+ --> $DIR/defaulted-never-note.rs:21:11
+ |
+LL | fn foo<T: ImplementedForUnitButNotNever>(_t: T) {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `foo`
error: aborting due to previous error
diff --git a/src/test/ui/never_type/issue-51506.stderr b/src/test/ui/never_type/issue-51506.stderr
index 16d93c18900a9..38f299d11c1b2 100644
--- a/src/test/ui/never_type/issue-51506.stderr
+++ b/src/test/ui/never_type/issue-51506.stderr
@@ -1,13 +1,15 @@
error[E0277]: `!` is not an iterator
--> $DIR/issue-51506.rs:13:5
|
-LL | type Out: Iterator<Item = u32>;
- | -------------------- required by this bound in `Trait::Out`
-...
LL | default type Out = !;
| ^^^^^^^^^^^^^^^^^^^^^ `!` is not an iterator
|
= help: the trait `Iterator` is not implemented for `!`
+note: required by a bound in `Trait::Out`
+ --> $DIR/issue-51506.rs:7:15
+ |
+LL | type Out: Iterator<Item = u32>;
+ | ^^^^^^^^^^^^^^^^^^^^ required by this bound in `Trait::Out`
error: aborting due to previous error
diff --git a/src/test/ui/no-send-res-ports.stderr b/src/test/ui/no-send-res-ports.stderr
index c35692d6eabc9..80708c989fcf7 100644
--- a/src/test/ui/no-send-res-ports.stderr
+++ b/src/test/ui/no-send-res-ports.stderr
@@ -11,11 +11,6 @@ LL | | println!("{:?}", y);
LL | | });
| |_____- within this `[closure@$DIR/no-send-res-ports.rs:25:19: 29:6]`
|
- ::: $SRC_DIR/std/src/thread/mod.rs:LL:COL
- |
-LL | F: Send + 'static,
- | ---- required by this bound in `spawn`
- |
= help: within `[closure@$DIR/no-send-res-ports.rs:25:19: 29:6]`, the trait `Send` is not implemented for `Rc<()>`
note: required because it appears within the type `Port<()>`
--> $DIR/no-send-res-ports.rs:5:8
@@ -28,6 +23,11 @@ note: required because it appears within the type `Foo`
LL | struct Foo {
| ^^^
= note: required because it appears within the type `[closure@$DIR/no-send-res-ports.rs:25:19: 29:6]`
+note: required by a bound in `spawn`
+ --> $SRC_DIR/std/src/thread/mod.rs:LL:COL
+ |
+LL | F: Send + 'static,
+ | ^^^^ required by this bound in `spawn`
error: aborting due to previous error
diff --git a/src/test/ui/no_send-enum.stderr b/src/test/ui/no_send-enum.stderr
index 9d755839d37c1..814f3473828e3 100644
--- a/src/test/ui/no_send-enum.stderr
+++ b/src/test/ui/no_send-enum.stderr
@@ -1,9 +1,6 @@
error[E0277]: `NoSend` cannot be sent between threads safely
--> $DIR/no_send-enum.rs:16:5
|
-LL | fn bar<T: Send>(_: T) {}
- | ---- required by this bound in `bar`
-...
LL | bar(x);
| ^^^ `NoSend` cannot be sent between threads safely
|
@@ -13,6 +10,11 @@ note: required because it appears within the type `Foo`
|
LL | enum Foo {
| ^^^
+note: required by a bound in `bar`
+ --> $DIR/no_send-enum.rs:12:11
+ |
+LL | fn bar<T: Send>(_: T) {}
+ | ^^^^ required by this bound in `bar`
error: aborting due to previous error
diff --git a/src/test/ui/no_send-rc.stderr b/src/test/ui/no_send-rc.stderr
index 713dd7536630f..f8be5e76f7a14 100644
--- a/src/test/ui/no_send-rc.stderr
+++ b/src/test/ui/no_send-rc.stderr
@@ -1,13 +1,15 @@
error[E0277]: `Rc<{integer}>` cannot be sent between threads safely
--> $DIR/no_send-rc.rs:7:9
|
-LL | fn bar<T: Send>(_: T) {}
- | ---- required by this bound in `bar`
-...
LL | bar(x);
| ^ `Rc<{integer}>` cannot be sent between threads safely
|
= help: the trait `Send` is not implemented for `Rc<{integer}>`
+note: required by a bound in `bar`
+ --> $DIR/no_send-rc.rs:3:11
+ |
+LL | fn bar<T: Send>(_: T) {}
+ | ^^^^ required by this bound in `bar`
error: aborting due to previous error
diff --git a/src/test/ui/no_send-struct.stderr b/src/test/ui/no_send-struct.stderr
index a28a5e6d3d589..2f8cf3569aeee 100644
--- a/src/test/ui/no_send-struct.stderr
+++ b/src/test/ui/no_send-struct.stderr
@@ -1,13 +1,15 @@
error[E0277]: `Foo` cannot be sent between threads safely
--> $DIR/no_send-struct.rs:15:9
|
-LL | fn bar<T: Send>(_: T) {}
- | ---- required by this bound in `bar`
-...
LL | bar(x);
| ^ `Foo` cannot be sent between threads safely
|
= help: the trait `Send` is not implemented for `Foo`
+note: required by a bound in `bar`
+ --> $DIR/no_send-struct.rs:11:11
+ |
+LL | fn bar<T: Send>(_: T) {}
+ | ^^^^ required by this bound in `bar`
error: aborting due to previous error
diff --git a/src/test/ui/no_share-enum.stderr b/src/test/ui/no_share-enum.stderr
index a8ab69200ecf1..ad837863be9ed 100644
--- a/src/test/ui/no_share-enum.stderr
+++ b/src/test/ui/no_share-enum.stderr
@@ -1,9 +1,6 @@
error[E0277]: `NoSync` cannot be shared between threads safely
--> $DIR/no_share-enum.rs:14:5
|
-LL | fn bar<T: Sync>(_: T) {}
- | ---- required by this bound in `bar`
-...
LL | bar(x);
| ^^^ `NoSync` cannot be shared between threads safely
|
@@ -13,6 +10,11 @@ note: required because it appears within the type `Foo`
|
LL | enum Foo { A(NoSync) }
| ^^^
+note: required by a bound in `bar`
+ --> $DIR/no_share-enum.rs:10:11
+ |
+LL | fn bar<T: Sync>(_: T) {}
+ | ^^^^ required by this bound in `bar`
error: aborting due to previous error
diff --git a/src/test/ui/no_share-struct.stderr b/src/test/ui/no_share-struct.stderr
index a35271a8b78c7..8983b0867898a 100644
--- a/src/test/ui/no_share-struct.stderr
+++ b/src/test/ui/no_share-struct.stderr
@@ -1,13 +1,15 @@
error[E0277]: `Foo` cannot be shared between threads safely
--> $DIR/no_share-struct.rs:12:9
|
-LL | fn bar<T: Sync>(_: T) {}
- | ---- required by this bound in `bar`
-...
LL | bar(x);
| ^ `Foo` cannot be shared between threads safely
|
= help: the trait `Sync` is not implemented for `Foo`
+note: required by a bound in `bar`
+ --> $DIR/no_share-struct.rs:8:11
+ |
+LL | fn bar<T: Sync>(_: T) {}
+ | ^^^^ required by this bound in `bar`
error: aborting due to previous error
diff --git a/src/test/ui/not-panic/not-panic-safe-2.stderr b/src/test/ui/not-panic/not-panic-safe-2.stderr
index 6deb1e7d6fe6d..65594702bc4db 100644
--- a/src/test/ui/not-panic/not-panic-safe-2.stderr
+++ b/src/test/ui/not-panic/not-panic-safe-2.stderr
@@ -1,22 +1,21 @@
error[E0277]: the type `UnsafeCell<i32>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
--> $DIR/not-panic-safe-2.rs:10:5
|
-LL | fn assert<T: UnwindSafe + ?Sized>() {}
- | ---------- required by this bound in `assert`
-...
LL | assert::<Rc<RefCell<i32>>>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ `UnsafeCell<i32>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
|
= help: within `RefCell<i32>`, the trait `RefUnwindSafe` is not implemented for `UnsafeCell<i32>`
= note: required because it appears within the type `RefCell<i32>`
= note: required because of the requirements on the impl of `UnwindSafe` for `Rc<RefCell<i32>>`
+note: required by a bound in `assert`
+ --> $DIR/not-panic-safe-2.rs:7:14
+ |
+LL | fn assert<T: UnwindSafe + ?Sized>() {}
+ | ^^^^^^^^^^ required by this bound in `assert`
error[E0277]: the type `UnsafeCell<isize>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
--> $DIR/not-panic-safe-2.rs:10:5
|
-LL | fn assert<T: UnwindSafe + ?Sized>() {}
- | ---------- required by this bound in `assert`
-...
LL | assert::<Rc<RefCell<i32>>>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ `UnsafeCell<isize>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
|
@@ -24,6 +23,11 @@ LL | assert::<Rc<RefCell<i32>>>();
= note: required because it appears within the type `Cell<isize>`
= note: required because it appears within the type `RefCell<i32>`
= note: required because of the requirements on the impl of `UnwindSafe` for `Rc<RefCell<i32>>`
+note: required by a bound in `assert`
+ --> $DIR/not-panic-safe-2.rs:7:14
+ |
+LL | fn assert<T: UnwindSafe + ?Sized>() {}
+ | ^^^^^^^^^^ required by this bound in `assert`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/not-panic/not-panic-safe-3.stderr b/src/test/ui/not-panic/not-panic-safe-3.stderr
index ef1cf548df090..db3fdb2534564 100644
--- a/src/test/ui/not-panic/not-panic-safe-3.stderr
+++ b/src/test/ui/not-panic/not-panic-safe-3.stderr
@@ -1,22 +1,21 @@
error[E0277]: the type `UnsafeCell<i32>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
--> $DIR/not-panic-safe-3.rs:10:5
|
-LL | fn assert<T: UnwindSafe + ?Sized>() {}
- | ---------- required by this bound in `assert`
-...
LL | assert::<Arc<RefCell<i32>>>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ `UnsafeCell<i32>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
|
= help: within `RefCell<i32>`, the trait `RefUnwindSafe` is not implemented for `UnsafeCell<i32>`
= note: required because it appears within the type `RefCell<i32>`
= note: required because of the requirements on the impl of `UnwindSafe` for `Arc<RefCell<i32>>`
+note: required by a bound in `assert`
+ --> $DIR/not-panic-safe-3.rs:7:14
+ |
+LL | fn assert<T: UnwindSafe + ?Sized>() {}
+ | ^^^^^^^^^^ required by this bound in `assert`
error[E0277]: the type `UnsafeCell<isize>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
--> $DIR/not-panic-safe-3.rs:10:5
|
-LL | fn assert<T: UnwindSafe + ?Sized>() {}
- | ---------- required by this bound in `assert`
-...
LL | assert::<Arc<RefCell<i32>>>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ `UnsafeCell<isize>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
|
@@ -24,6 +23,11 @@ LL | assert::<Arc<RefCell<i32>>>();
= note: required because it appears within the type `Cell<isize>`
= note: required because it appears within the type `RefCell<i32>`
= note: required because of the requirements on the impl of `UnwindSafe` for `Arc<RefCell<i32>>`
+note: required by a bound in `assert`
+ --> $DIR/not-panic-safe-3.rs:7:14
+ |
+LL | fn assert<T: UnwindSafe + ?Sized>() {}
+ | ^^^^^^^^^^ required by this bound in `assert`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/not-panic/not-panic-safe-4.stderr b/src/test/ui/not-panic/not-panic-safe-4.stderr
index 2f86b96540c77..079601b39c0c0 100644
--- a/src/test/ui/not-panic/not-panic-safe-4.stderr
+++ b/src/test/ui/not-panic/not-panic-safe-4.stderr
@@ -1,22 +1,21 @@
error[E0277]: the type `UnsafeCell<i32>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
--> $DIR/not-panic-safe-4.rs:9:5
|
-LL | fn assert<T: UnwindSafe + ?Sized>() {}
- | ---------- required by this bound in `assert`
-...
LL | assert::<&RefCell<i32>>();
| ^^^^^^^^^^^^^^^^^^^^^^^ `UnsafeCell<i32>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
|
= help: within `RefCell<i32>`, the trait `RefUnwindSafe` is not implemented for `UnsafeCell<i32>`
= note: required because it appears within the type `RefCell<i32>`
= note: required because of the requirements on the impl of `UnwindSafe` for `&RefCell<i32>`
+note: required by a bound in `assert`
+ --> $DIR/not-panic-safe-4.rs:6:14
+ |
+LL | fn assert<T: UnwindSafe + ?Sized>() {}
+ | ^^^^^^^^^^ required by this bound in `assert`
error[E0277]: the type `UnsafeCell<isize>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
--> $DIR/not-panic-safe-4.rs:9:5
|
-LL | fn assert<T: UnwindSafe + ?Sized>() {}
- | ---------- required by this bound in `assert`
-...
LL | assert::<&RefCell<i32>>();
| ^^^^^^^^^^^^^^^^^^^^^^^ `UnsafeCell<isize>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
|
@@ -24,6 +23,11 @@ LL | assert::<&RefCell<i32>>();
= note: required because it appears within the type `Cell<isize>`
= note: required because it appears within the type `RefCell<i32>`
= note: required because of the requirements on the impl of `UnwindSafe` for `&RefCell<i32>`
+note: required by a bound in `assert`
+ --> $DIR/not-panic-safe-4.rs:6:14
+ |
+LL | fn assert<T: UnwindSafe + ?Sized>() {}
+ | ^^^^^^^^^^ required by this bound in `assert`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/not-panic/not-panic-safe-5.stderr b/src/test/ui/not-panic/not-panic-safe-5.stderr
index c9f407a7f770b..edd0f72dd3be4 100644
--- a/src/test/ui/not-panic/not-panic-safe-5.stderr
+++ b/src/test/ui/not-panic/not-panic-safe-5.stderr
@@ -1,14 +1,16 @@
error[E0277]: the type `UnsafeCell<i32>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
--> $DIR/not-panic-safe-5.rs:9:5
|
-LL | fn assert<T: UnwindSafe + ?Sized>() {}
- | ---------- required by this bound in `assert`
-...
LL | assert::<*const UnsafeCell<i32>>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `UnsafeCell<i32>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
|
= help: the trait `RefUnwindSafe` is not implemented for `UnsafeCell<i32>`
= note: required because of the requirements on the impl of `UnwindSafe` for `*const UnsafeCell<i32>`
+note: required by a bound in `assert`
+ --> $DIR/not-panic-safe-5.rs:6:14
+ |
+LL | fn assert<T: UnwindSafe + ?Sized>() {}
+ | ^^^^^^^^^^ required by this bound in `assert`
error: aborting due to previous error
diff --git a/src/test/ui/not-panic/not-panic-safe-6.stderr b/src/test/ui/not-panic/not-panic-safe-6.stderr
index cf75c89f27e27..f3b784a29568f 100644
--- a/src/test/ui/not-panic/not-panic-safe-6.stderr
+++ b/src/test/ui/not-panic/not-panic-safe-6.stderr
@@ -1,22 +1,21 @@
error[E0277]: the type `UnsafeCell<i32>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
--> $DIR/not-panic-safe-6.rs:9:5
|
-LL | fn assert<T: UnwindSafe + ?Sized>() {}
- | ---------- required by this bound in `assert`
-...
LL | assert::<*mut RefCell<i32>>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ `UnsafeCell<i32>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
|
= help: within `RefCell<i32>`, the trait `RefUnwindSafe` is not implemented for `UnsafeCell<i32>`
= note: required because it appears within the type `RefCell<i32>`
= note: required because of the requirements on the impl of `UnwindSafe` for `*mut RefCell<i32>`
+note: required by a bound in `assert`
+ --> $DIR/not-panic-safe-6.rs:6:14
+ |
+LL | fn assert<T: UnwindSafe + ?Sized>() {}
+ | ^^^^^^^^^^ required by this bound in `assert`
error[E0277]: the type `UnsafeCell<isize>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
--> $DIR/not-panic-safe-6.rs:9:5
|
-LL | fn assert<T: UnwindSafe + ?Sized>() {}
- | ---------- required by this bound in `assert`
-...
LL | assert::<*mut RefCell<i32>>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ `UnsafeCell<isize>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
|
@@ -24,6 +23,11 @@ LL | assert::<*mut RefCell<i32>>();
= note: required because it appears within the type `Cell<isize>`
= note: required because it appears within the type `RefCell<i32>`
= note: required because of the requirements on the impl of `UnwindSafe` for `*mut RefCell<i32>`
+note: required by a bound in `assert`
+ --> $DIR/not-panic-safe-6.rs:6:14
+ |
+LL | fn assert<T: UnwindSafe + ?Sized>() {}
+ | ^^^^^^^^^^ required by this bound in `assert`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/not-panic/not-panic-safe.stderr b/src/test/ui/not-panic/not-panic-safe.stderr
index 1aaf17b1cd86f..b95cd9173e3c0 100644
--- a/src/test/ui/not-panic/not-panic-safe.stderr
+++ b/src/test/ui/not-panic/not-panic-safe.stderr
@@ -1,14 +1,16 @@
error[E0277]: the type `&mut i32` may not be safely transferred across an unwind boundary
--> $DIR/not-panic-safe.rs:9:5
|
-LL | fn assert<T: UnwindSafe + ?Sized>() {}
- | ---------- required by this bound in `assert`
-...
LL | assert::<&mut i32>();
| ^^^^^^^^^^^^^^^^^^ `&mut i32` may not be safely transferred across an unwind boundary
|
= help: the trait `UnwindSafe` is not implemented for `&mut i32`
= note: `UnwindSafe` is implemented for `&i32`, but not for `&mut i32`
+note: required by a bound in `assert`
+ --> $DIR/not-panic-safe.rs:6:14
+ |
+LL | fn assert<T: UnwindSafe + ?Sized>() {}
+ | ^^^^^^^^^^ required by this bound in `assert`
error: aborting due to previous error
diff --git a/src/test/ui/not-sync.stderr b/src/test/ui/not-sync.stderr
index 85d3599da0532..1ee358ba8368e 100644
--- a/src/test/ui/not-sync.stderr
+++ b/src/test/ui/not-sync.stderr
@@ -1,68 +1,80 @@
error[E0277]: `Cell<i32>` cannot be shared between threads safely
--> $DIR/not-sync.rs:8:12
|
-LL | fn test<T: Sync>() {}
- | ---- required by this bound in `test`
-...
LL | test::<Cell<i32>>();
| ^^^^^^^^^ `Cell<i32>` cannot be shared between threads safely
|
= help: the trait `Sync` is not implemented for `Cell<i32>`
+note: required by a bound in `test`
+ --> $DIR/not-sync.rs:5:12
+ |
+LL | fn test<T: Sync>() {}
+ | ^^^^ required by this bound in `test`
error[E0277]: `RefCell<i32>` cannot be shared between threads safely
--> $DIR/not-sync.rs:10:12
|
-LL | fn test<T: Sync>() {}
- | ---- required by this bound in `test`
-...
LL | test::<RefCell<i32>>();
| ^^^^^^^^^^^^ `RefCell<i32>` cannot be shared between threads safely
|
= help: the trait `Sync` is not implemented for `RefCell<i32>`
+note: required by a bound in `test`
+ --> $DIR/not-sync.rs:5:12
+ |
+LL | fn test<T: Sync>() {}
+ | ^^^^ required by this bound in `test`
error[E0277]: `Rc<i32>` cannot be shared between threads safely
--> $DIR/not-sync.rs:13:12
|
-LL | fn test<T: Sync>() {}
- | ---- required by this bound in `test`
-...
LL | test::<Rc<i32>>();
| ^^^^^^^ `Rc<i32>` cannot be shared between threads safely
|
= help: the trait `Sync` is not implemented for `Rc<i32>`
+note: required by a bound in `test`
+ --> $DIR/not-sync.rs:5:12
+ |
+LL | fn test<T: Sync>() {}
+ | ^^^^ required by this bound in `test`
error[E0277]: `std::rc::Weak<i32>` cannot be shared between threads safely
--> $DIR/not-sync.rs:15:12
|
-LL | fn test<T: Sync>() {}
- | ---- required by this bound in `test`
-...
LL | test::<Weak<i32>>();
| ^^^^^^^^^ `std::rc::Weak<i32>` cannot be shared between threads safely
|
= help: the trait `Sync` is not implemented for `std::rc::Weak<i32>`
+note: required by a bound in `test`
+ --> $DIR/not-sync.rs:5:12
+ |
+LL | fn test<T: Sync>() {}
+ | ^^^^ required by this bound in `test`
error[E0277]: `std::sync::mpsc::Receiver<i32>` cannot be shared between threads safely
--> $DIR/not-sync.rs:18:12
|
-LL | fn test<T: Sync>() {}
- | ---- required by this bound in `test`
-...
LL | test::<Receiver<i32>>();
| ^^^^^^^^^^^^^ `std::sync::mpsc::Receiver<i32>` cannot be shared between threads safely
|
= help: the trait `Sync` is not implemented for `std::sync::mpsc::Receiver<i32>`
+note: required by a bound in `test`
+ --> $DIR/not-sync.rs:5:12
+ |
+LL | fn test<T: Sync>() {}
+ | ^^^^ required by this bound in `test`
error[E0277]: `Sender<i32>` cannot be shared between threads safely
--> $DIR/not-sync.rs:20:12
|
-LL | fn test<T: Sync>() {}
- | ---- required by this bound in `test`
-...
LL | test::<Sender<i32>>();
| ^^^^^^^^^^^ `Sender<i32>` cannot be shared between threads safely
|
= help: the trait `Sync` is not implemented for `Sender<i32>`
+note: required by a bound in `test`
+ --> $DIR/not-sync.rs:5:12
+ |
+LL | fn test<T: Sync>() {}
+ | ^^^^ required by this bound in `test`
error: aborting due to 6 previous errors
diff --git a/src/test/ui/object-does-not-impl-trait.stderr b/src/test/ui/object-does-not-impl-trait.stderr
index 44424bc4ae799..bf1641167cf11 100644
--- a/src/test/ui/object-does-not-impl-trait.stderr
+++ b/src/test/ui/object-does-not-impl-trait.stderr
@@ -1,10 +1,14 @@
error[E0277]: the trait bound `Box<dyn Foo>: Foo` is not satisfied
--> $DIR/object-does-not-impl-trait.rs:6:44
|
-LL | fn take_foo<F:Foo>(f: F) {}
- | --- required by this bound in `take_foo`
LL | fn take_object(f: Box<dyn Foo>) { take_foo(f); }
| ^ the trait `Foo` is not implemented for `Box<dyn Foo>`
+ |
+note: required by a bound in `take_foo`
+ --> $DIR/object-does-not-impl-trait.rs:5:15
+ |
+LL | fn take_foo<F:Foo>(f: F) {}
+ | ^^^ required by this bound in `take_foo`
error: aborting due to previous error
diff --git a/src/test/ui/on-unimplemented/enclosing-scope.stderr b/src/test/ui/on-unimplemented/enclosing-scope.stderr
index 4c1aaf39c7b34..abd156dd5ac4a 100644
--- a/src/test/ui/on-unimplemented/enclosing-scope.stderr
+++ b/src/test/ui/on-unimplemented/enclosing-scope.stderr
@@ -1,9 +1,6 @@
error[E0277]: the trait bound `Foo: Trait` is not satisfied
--> $DIR/enclosing-scope.rs:14:11
|
-LL | fn f<T: Trait>(x: T) {}
- | ----- required by this bound in `f`
-...
LL | let x = || {
| _____________-
LL | | f(Foo{});
@@ -13,26 +10,32 @@ LL | | f(Foo{});
LL | | };
LL | | };
| |_____- in this scope
+ |
+note: required by a bound in `f`
+ --> $DIR/enclosing-scope.rs:10:9
+ |
+LL | fn f<T: Trait>(x: T) {}
+ | ^^^^^ required by this bound in `f`
error[E0277]: the trait bound `Foo: Trait` is not satisfied
--> $DIR/enclosing-scope.rs:16:15
|
-LL | fn f<T: Trait>(x: T) {}
- | ----- required by this bound in `f`
-...
LL | let y = || {
| _________________-
LL | | f(Foo{});
| | ^^^^^ the trait `Trait` is not implemented for `Foo`
LL | | };
| |_________- in this scope
+ |
+note: required by a bound in `f`
+ --> $DIR/enclosing-scope.rs:10:9
+ |
+LL | fn f<T: Trait>(x: T) {}
+ | ^^^^^ required by this bound in `f`
error[E0277]: the trait bound `Foo: Trait` is not satisfied
--> $DIR/enclosing-scope.rs:22:15
|
-LL | fn f<T: Trait>(x: T) {}
- | ----- required by this bound in `f`
-LL |
LL | / fn main() {
LL | | let x = || {
LL | | f(Foo{});
@@ -44,13 +47,16 @@ LL | | f(Foo{});
LL | | f(Foo{});
LL | | }
| |_- in this scope
+ |
+note: required by a bound in `f`
+ --> $DIR/enclosing-scope.rs:10:9
+ |
+LL | fn f<T: Trait>(x: T) {}
+ | ^^^^^ required by this bound in `f`
error[E0277]: the trait bound `Foo: Trait` is not satisfied
--> $DIR/enclosing-scope.rs:26:7
|
-LL | fn f<T: Trait>(x: T) {}
- | ----- required by this bound in `f`
-LL |
LL | / fn main() {
LL | | let x = || {
LL | | f(Foo{});
@@ -60,6 +66,12 @@ LL | | f(Foo{});
| | ^^^^^ the trait `Trait` is not implemented for `Foo`
LL | | }
| |_- in this scope
+ |
+note: required by a bound in `f`
+ --> $DIR/enclosing-scope.rs:10:9
+ |
+LL | fn f<T: Trait>(x: T) {}
+ | ^^^^^ required by this bound in `f`
error: aborting due to 4 previous errors
diff --git a/src/test/ui/on-unimplemented/on-trait.stderr b/src/test/ui/on-unimplemented/on-trait.stderr
index 00c8492abc662..4b040f1ac5aa9 100644
--- a/src/test/ui/on-unimplemented/on-trait.stderr
+++ b/src/test/ui/on-unimplemented/on-trait.stderr
@@ -1,24 +1,28 @@
error[E0277]: the trait bound `Option<Vec<u8>>: MyFromIterator<&u8>` is not satisfied
--> $DIR/on-trait.rs:28:30
|
-LL | fn collect<A, I: Iterator<Item=A>, B: MyFromIterator<A>>(it: I) -> B {
- | ----------------- required by this bound in `collect`
-...
LL | let y: Option<Vec<u8>> = collect(x.iter()); // this should give approximately the same error for x.iter().collect()
| ^^^^^^^ a collection of type `Option<Vec<u8>>` cannot be built from an iterator over elements of type `&u8`
|
= help: the trait `MyFromIterator<&u8>` is not implemented for `Option<Vec<u8>>`
+note: required by a bound in `collect`
+ --> $DIR/on-trait.rs:22:39
+ |
+LL | fn collect<A, I: Iterator<Item=A>, B: MyFromIterator<A>>(it: I) -> B {
+ | ^^^^^^^^^^^^^^^^^ required by this bound in `collect`
error[E0277]: the trait bound `String: Foo<u8, _, u32>` is not satisfied
--> $DIR/on-trait.rs:31:21
|
-LL | fn foobar<U: Clone, T: Foo<u8, U, u32>>() -> T {
- | --------------- required by this bound in `foobar`
-...
LL | let x: String = foobar();
| ^^^^^^ test error `String` with `u8` `_` `u32` in `Foo`
|
= help: the trait `Foo<u8, _, u32>` is not implemented for `String`
+note: required by a bound in `foobar`
+ --> $DIR/on-trait.rs:12:24
+ |
+LL | fn foobar<U: Clone, T: Foo<u8, U, u32>>() -> T {
+ | ^^^^^^^^^^^^^^^ required by this bound in `foobar`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/phantom-auto-trait.stderr b/src/test/ui/phantom-auto-trait.stderr
index acd33e0a41686..e7b5528daee92 100644
--- a/src/test/ui/phantom-auto-trait.stderr
+++ b/src/test/ui/phantom-auto-trait.stderr
@@ -1,9 +1,6 @@
error[E0277]: `T` cannot be shared between threads safely
--> $DIR/phantom-auto-trait.rs:21:12
|
-LL | fn is_zen<T: Zen>(_: T) {}
- | --- required by this bound in `is_zen`
-...
LL | is_zen(x)
| ^ `T` cannot be shared between threads safely
|
@@ -18,6 +15,11 @@ note: required because it appears within the type `Guard<'_, T>`
|
LL | struct Guard<'a, T: 'a> {
| ^^^^^
+note: required by a bound in `is_zen`
+ --> $DIR/phantom-auto-trait.rs:18:14
+ |
+LL | fn is_zen<T: Zen>(_: T) {}
+ | ^^^ required by this bound in `is_zen`
help: consider restricting type parameter `T`
|
LL | fn not_sync<T: std::marker::Sync>(x: Guard<T>) {
@@ -26,9 +28,6 @@ LL | fn not_sync<T: std::marker::Sync>(x: Guard<T>) {
error[E0277]: `T` cannot be shared between threads safely
--> $DIR/phantom-auto-trait.rs:26:12
|
-LL | fn is_zen<T: Zen>(_: T) {}
- | --- required by this bound in `is_zen`
-...
LL | is_zen(x)
| ^ `T` cannot be shared between threads safely
|
@@ -48,6 +47,11 @@ note: required because it appears within the type `Nested<Guard<'_, T>>`
|
LL | struct Nested<T>(T);
| ^^^^^^
+note: required by a bound in `is_zen`
+ --> $DIR/phantom-auto-trait.rs:18:14
+ |
+LL | fn is_zen<T: Zen>(_: T) {}
+ | ^^^ required by this bound in `is_zen`
help: consider restricting type parameter `T`
|
LL | fn nested_not_sync<T: std::marker::Sync>(x: Nested<Guard<T>>) {
diff --git a/src/test/ui/range/range-1.stderr b/src/test/ui/range/range-1.stderr
index 53453ea04ddb4..ff494d7d4b806 100644
--- a/src/test/ui/range/range-1.stderr
+++ b/src/test/ui/range/range-1.stderr
@@ -24,12 +24,12 @@ error[E0277]: the size for values of type `[{integer}]` cannot be known at compi
LL | let range = *arr..;
| ^^^^^^ doesn't have a size known at compile-time
|
- ::: $SRC_DIR/core/src/ops/range.rs:LL:COL
+ = help: the trait `Sized` is not implemented for `[{integer}]`
+note: required by a bound in `RangeFrom`
+ --> $SRC_DIR/core/src/ops/range.rs:LL:COL
|
LL | pub struct RangeFrom<Idx> {
- | --- required by this bound in `RangeFrom`
- |
- = help: the trait `Sized` is not implemented for `[{integer}]`
+ | ^^^ required by this bound in `RangeFrom`
error: aborting due to 3 previous errors
diff --git a/src/test/ui/recursion/recursive-requirements.stderr b/src/test/ui/recursion/recursive-requirements.stderr
index 0518cc507b50b..8ee154ce57ba5 100644
--- a/src/test/ui/recursion/recursive-requirements.stderr
+++ b/src/test/ui/recursion/recursive-requirements.stderr
@@ -1,9 +1,6 @@
error[E0277]: `*const Bar` cannot be shared between threads safely
--> $DIR/recursive-requirements.rs:16:12
|
-LL | struct AssertSync<T: Sync>(PhantomData<T>);
- | ---- required by this bound in `AssertSync`
-...
LL | let _: AssertSync<Foo> = unimplemented!();
| ^^^^^^^^^^^^^^^ `*const Bar` cannot be shared between threads safely
|
@@ -13,13 +10,15 @@ note: required because it appears within the type `Foo`
|
LL | pub struct Foo {
| ^^^
+note: required by a bound in `AssertSync`
+ --> $DIR/recursive-requirements.rs:3:22
+ |
+LL | struct AssertSync<T: Sync>(PhantomData<T>);
+ | ^^^^ required by this bound in `AssertSync`
error[E0277]: `*const Foo` cannot be shared between threads safely
--> $DIR/recursive-requirements.rs:16:12
|
-LL | struct AssertSync<T: Sync>(PhantomData<T>);
- | ---- required by this bound in `AssertSync`
-...
LL | let _: AssertSync<Foo> = unimplemented!();
| ^^^^^^^^^^^^^^^ `*const Foo` cannot be shared between threads safely
|
@@ -35,6 +34,11 @@ note: required because it appears within the type `Foo`
|
LL | pub struct Foo {
| ^^^
+note: required by a bound in `AssertSync`
+ --> $DIR/recursive-requirements.rs:3:22
+ |
+LL | struct AssertSync<T: Sync>(PhantomData<T>);
+ | ^^^^ required by this bound in `AssertSync`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/rfc-1937-termination-trait/termination-trait-test-wrong-type.stderr b/src/test/ui/rfc-1937-termination-trait/termination-trait-test-wrong-type.stderr
index e32d89fe6beeb..f8eaf61d7d7ec 100644
--- a/src/test/ui/rfc-1937-termination-trait/termination-trait-test-wrong-type.stderr
+++ b/src/test/ui/rfc-1937-termination-trait/termination-trait-test-wrong-type.stderr
@@ -8,12 +8,12 @@ LL | | "0".parse()
LL | | }
| |_^ `main` can only return types that implement `Termination`
|
- ::: $SRC_DIR/test/src/lib.rs:LL:COL
- |
-LL | pub fn assert_test_result<T: Termination>(result: T) {
- | ----------- required by this bound in `assert_test_result`
- |
= help: the trait `Termination` is not implemented for `Result<f32, ParseFloatError>`
+note: required by a bound in `assert_test_result`
+ --> $SRC_DIR/test/src/lib.rs:LL:COL
+ |
+LL | pub fn assert_test_result<T: Termination>(result: T) {
+ | ^^^^^^^^^^^ required by this bound in `assert_test_result`
= note: this error originates in the attribute macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to previous error
diff --git a/src/test/ui/rfc-2632-const-trait-impl/assoc-type.stderr b/src/test/ui/rfc-2632-const-trait-impl/assoc-type.stderr
index f690d95cc589b..ada29ba3f8b4e 100644
--- a/src/test/ui/rfc-2632-const-trait-impl/assoc-type.stderr
+++ b/src/test/ui/rfc-2632-const-trait-impl/assoc-type.stderr
@@ -1,13 +1,15 @@
error[E0277]: cannot add `NonConstAdd` to `NonConstAdd`
--> $DIR/assoc-type.rs:21:5
|
-LL | type Bar: std::ops::Add;
- | ------------- required by this bound in `Foo::Bar`
-...
LL | type Bar = NonConstAdd;
| ^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `NonConstAdd + NonConstAdd`
|
= help: the trait `Add` is not implemented for `NonConstAdd`
+note: required by a bound in `Foo::Bar`
+ --> $DIR/assoc-type.rs:17:15
+ |
+LL | type Bar: std::ops::Add;
+ | ^^^^^^^^^^^^^ required by this bound in `Foo::Bar`
help: consider introducing a `where` bound, but there might be an alternative better way to express this requirement
|
LL | impl const Foo for NonConstAdd where NonConstAdd: Add {
diff --git a/src/test/ui/rfc-2632-const-trait-impl/call-generic-method-nonconst.stderr b/src/test/ui/rfc-2632-const-trait-impl/call-generic-method-nonconst.stderr
index 75c7cab362147..7cc54e0129a53 100644
--- a/src/test/ui/rfc-2632-const-trait-impl/call-generic-method-nonconst.stderr
+++ b/src/test/ui/rfc-2632-const-trait-impl/call-generic-method-nonconst.stderr
@@ -1,13 +1,15 @@
error[E0277]: can't compare `S` with `S`
--> $DIR/call-generic-method-nonconst.rs:19:34
|
-LL | const fn equals_self<T: PartialEq>(t: &T) -> bool {
- | --------- required by this bound in `equals_self`
-...
LL | pub const EQ: bool = equals_self(&S);
| ^^ no implementation for `S == S`
|
= help: the trait `PartialEq` is not implemented for `S`
+note: required by a bound in `equals_self`
+ --> $DIR/call-generic-method-nonconst.rs:12:25
+ |
+LL | const fn equals_self<T: PartialEq>(t: &T) -> bool {
+ | ^^^^^^^^^ required by this bound in `equals_self`
error: aborting due to previous error
diff --git a/src/test/ui/rfcs/rfc-2396-target_feature-11/fn-traits.stderr b/src/test/ui/rfcs/rfc-2396-target_feature-11/fn-traits.stderr
index 4ed86b34a34b9..81c0c4a787523 100644
--- a/src/test/ui/rfcs/rfc-2396-target_feature-11/fn-traits.stderr
+++ b/src/test/ui/rfcs/rfc-2396-target_feature-11/fn-traits.stderr
@@ -1,80 +1,92 @@
error[E0277]: expected a `Fn<()>` closure, found `fn() {foo}`
--> $DIR/fn-traits.rs:24:10
|
-LL | fn call(f: impl Fn()) {
- | ---- required by this bound in `call`
-...
LL | call(foo);
| ^^^ expected an `Fn<()>` closure, found `fn() {foo}`
|
= help: the trait `Fn<()>` is not implemented for `fn() {foo}`
= note: wrap the `fn() {foo}` in a closure with no arguments: `|| { /* code */ }`
= note: `#[target_feature]` functions do not implement the `Fn` traits
+note: required by a bound in `call`
+ --> $DIR/fn-traits.rs:11:17
+ |
+LL | fn call(f: impl Fn()) {
+ | ^^^^ required by this bound in `call`
error[E0277]: expected a `FnMut<()>` closure, found `fn() {foo}`
--> $DIR/fn-traits.rs:25:14
|
-LL | fn call_mut(f: impl FnMut()) {
- | ------- required by this bound in `call_mut`
-...
LL | call_mut(foo);
| ^^^ expected an `FnMut<()>` closure, found `fn() {foo}`
|
= help: the trait `FnMut<()>` is not implemented for `fn() {foo}`
= note: wrap the `fn() {foo}` in a closure with no arguments: `|| { /* code */ }`
= note: `#[target_feature]` functions do not implement the `Fn` traits
+note: required by a bound in `call_mut`
+ --> $DIR/fn-traits.rs:15:21
+ |
+LL | fn call_mut(f: impl FnMut()) {
+ | ^^^^^^^ required by this bound in `call_mut`
error[E0277]: expected a `FnOnce<()>` closure, found `fn() {foo}`
--> $DIR/fn-traits.rs:26:15
|
-LL | fn call_once(f: impl FnOnce()) {
- | -------- required by this bound in `call_once`
-...
LL | call_once(foo);
| ^^^ expected an `FnOnce<()>` closure, found `fn() {foo}`
|
= help: the trait `FnOnce<()>` is not implemented for `fn() {foo}`
= note: wrap the `fn() {foo}` in a closure with no arguments: `|| { /* code */ }`
= note: `#[target_feature]` functions do not implement the `Fn` traits
+note: required by a bound in `call_once`
+ --> $DIR/fn-traits.rs:19:22
+ |
+LL | fn call_once(f: impl FnOnce()) {
+ | ^^^^^^^^ required by this bound in `call_once`
error[E0277]: expected a `Fn<()>` closure, found `unsafe fn() {foo_unsafe}`
--> $DIR/fn-traits.rs:28:10
|
-LL | fn call(f: impl Fn()) {
- | ---- required by this bound in `call`
-...
LL | call(foo_unsafe);
| ^^^^^^^^^^ expected an `Fn<()>` closure, found `unsafe fn() {foo_unsafe}`
|
= help: the trait `Fn<()>` is not implemented for `unsafe fn() {foo_unsafe}`
= note: wrap the `unsafe fn() {foo_unsafe}` in a closure with no arguments: `|| { /* code */ }`
= note: `#[target_feature]` functions do not implement the `Fn` traits
+note: required by a bound in `call`
+ --> $DIR/fn-traits.rs:11:17
+ |
+LL | fn call(f: impl Fn()) {
+ | ^^^^ required by this bound in `call`
error[E0277]: expected a `FnMut<()>` closure, found `unsafe fn() {foo_unsafe}`
--> $DIR/fn-traits.rs:30:14
|
-LL | fn call_mut(f: impl FnMut()) {
- | ------- required by this bound in `call_mut`
-...
LL | call_mut(foo_unsafe);
| ^^^^^^^^^^ expected an `FnMut<()>` closure, found `unsafe fn() {foo_unsafe}`
|
= help: the trait `FnMut<()>` is not implemented for `unsafe fn() {foo_unsafe}`
= note: wrap the `unsafe fn() {foo_unsafe}` in a closure with no arguments: `|| { /* code */ }`
= note: `#[target_feature]` functions do not implement the `Fn` traits
+note: required by a bound in `call_mut`
+ --> $DIR/fn-traits.rs:15:21
+ |
+LL | fn call_mut(f: impl FnMut()) {
+ | ^^^^^^^ required by this bound in `call_mut`
error[E0277]: expected a `FnOnce<()>` closure, found `unsafe fn() {foo_unsafe}`
--> $DIR/fn-traits.rs:32:15
|
-LL | fn call_once(f: impl FnOnce()) {
- | -------- required by this bound in `call_once`
-...
LL | call_once(foo_unsafe);
| ^^^^^^^^^^ expected an `FnOnce<()>` closure, found `unsafe fn() {foo_unsafe}`
|
= help: the trait `FnOnce<()>` is not implemented for `unsafe fn() {foo_unsafe}`
= note: wrap the `unsafe fn() {foo_unsafe}` in a closure with no arguments: `|| { /* code */ }`
= note: `#[target_feature]` functions do not implement the `Fn` traits
+note: required by a bound in `call_once`
+ --> $DIR/fn-traits.rs:19:22
+ |
+LL | fn call_once(f: impl FnOnce()) {
+ | ^^^^^^^^ required by this bound in `call_once`
error: aborting due to 6 previous errors
diff --git a/src/test/ui/specialization/deafult-associated-type-bound-1.stderr b/src/test/ui/specialization/deafult-associated-type-bound-1.stderr
index 4ca3d83119839..b3dba0d552a0b 100644
--- a/src/test/ui/specialization/deafult-associated-type-bound-1.stderr
+++ b/src/test/ui/specialization/deafult-associated-type-bound-1.stderr
@@ -11,11 +11,14 @@ LL | #![feature(specialization)]
error[E0277]: the trait bound `str: Clone` is not satisfied
--> $DIR/deafult-associated-type-bound-1.rs:19:5
|
-LL | type U: Clone;
- | ----- required by this bound in `X::U`
-...
LL | default type U = str;
| ^^^^^^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `str`
+ |
+note: required by a bound in `X::U`
+ --> $DIR/deafult-associated-type-bound-1.rs:9:13
+ |
+LL | type U: Clone;
+ | ^^^^^ required by this bound in `X::U`
error: aborting due to previous error; 1 warning emitted
diff --git a/src/test/ui/specialization/deafult-associated-type-bound-2.stderr b/src/test/ui/specialization/deafult-associated-type-bound-2.stderr
index 8d110d50e2876..d425fae6dc34f 100644
--- a/src/test/ui/specialization/deafult-associated-type-bound-2.stderr
+++ b/src/test/ui/specialization/deafult-associated-type-bound-2.stderr
@@ -11,13 +11,15 @@ LL | #![feature(specialization)]
error[E0277]: can't compare `&'static B` with `B`
--> $DIR/deafult-associated-type-bound-2.rs:16:5
|
-LL | type U: PartialEq<T>;
- | ------------ required by this bound in `X::U`
-...
LL | default type U = &'static B;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `&'static B == B`
|
= help: the trait `PartialEq<B>` is not implemented for `&'static B`
+note: required by a bound in `X::U`
+ --> $DIR/deafult-associated-type-bound-2.rs:6:13
+ |
+LL | type U: PartialEq<T>;
+ | ^^^^^^^^^^^^ required by this bound in `X::U`
help: consider introducing a `where` bound, but there might be an alternative better way to express this requirement
|
LL | impl<B: 'static, T> X<B> for T where &'static B: PartialEq<B> {
diff --git a/src/test/ui/specialization/deafult-generic-associated-type-bound.stderr b/src/test/ui/specialization/deafult-generic-associated-type-bound.stderr
index ff56c77c8f8b8..8cfce7feffc08 100644
--- a/src/test/ui/specialization/deafult-generic-associated-type-bound.stderr
+++ b/src/test/ui/specialization/deafult-generic-associated-type-bound.stderr
@@ -11,13 +11,15 @@ LL | #![feature(specialization)]
error[E0277]: can't compare `T` with `T`
--> $DIR/deafult-generic-associated-type-bound.rs:18:5
|
-LL | type U<'a>: PartialEq<&'a Self> where Self: 'a;
- | ------------------- required by this bound in `X::U`
-...
LL | default type U<'a> = &'a T;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `T == T`
|
= note: required because of the requirements on the impl of `PartialEq` for `&'a T`
+note: required by a bound in `X::U`
+ --> $DIR/deafult-generic-associated-type-bound.rs:8:17
+ |
+LL | type U<'a>: PartialEq<&'a Self> where Self: 'a;
+ | ^^^^^^^^^^^^^^^^^^^ required by this bound in `X::U`
help: consider further restricting this bound
|
LL | impl<T: 'static + std::cmp::PartialEq> X for T {
diff --git a/src/test/ui/specialization/defaultimpl/specialization-wfcheck.stderr b/src/test/ui/specialization/defaultimpl/specialization-wfcheck.stderr
index a8f6cf6839963..a8fdbc5288411 100644
--- a/src/test/ui/specialization/defaultimpl/specialization-wfcheck.stderr
+++ b/src/test/ui/specialization/defaultimpl/specialization-wfcheck.stderr
@@ -11,12 +11,14 @@ LL | #![feature(specialization)]
error[E0277]: the trait bound `U: Eq` is not satisfied
--> $DIR/specialization-wfcheck.rs:7:17
|
-LL | trait Foo<'a, T: Eq + 'a> { }
- | -- required by this bound in `Foo`
-LL |
LL | default impl<U> Foo<'static, U> for () {}
| ^^^^^^^^^^^^^^^ the trait `Eq` is not implemented for `U`
|
+note: required by a bound in `Foo`
+ --> $DIR/specialization-wfcheck.rs:5:18
+ |
+LL | trait Foo<'a, T: Eq + 'a> { }
+ | ^^ required by this bound in `Foo`
help: consider restricting type parameter `U`
|
LL | default impl<U: std::cmp::Eq> Foo<'static, U> for () {}
diff --git a/src/test/ui/specialization/issue-33017.stderr b/src/test/ui/specialization/issue-33017.stderr
index 0d4976c665dea..44e7581f5cad7 100644
--- a/src/test/ui/specialization/issue-33017.stderr
+++ b/src/test/ui/specialization/issue-33017.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `T: Copy` is not satisfied
--> $DIR/issue-33017.rs:12:5
|
-LL | type Output: From<Self> + Copy + Into<Self>;
- | ---- required by this bound in `UncheckedCopy::Output`
-...
LL | default type Output = Self;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `T`
|
+note: required by a bound in `UncheckedCopy::Output`
+ --> $DIR/issue-33017.rs:8:31
+ |
+LL | type Output: From<Self> + Copy + Into<Self>;
+ | ^^^^ required by this bound in `UncheckedCopy::Output`
help: consider restricting type parameter `T`
|
LL | impl<T: std::marker::Copy> UncheckedCopy for T {
diff --git a/src/test/ui/specialization/issue-38091.stderr b/src/test/ui/specialization/issue-38091.stderr
index 97e5775ab54ee..d5452e1d513ed 100644
--- a/src/test/ui/specialization/issue-38091.stderr
+++ b/src/test/ui/specialization/issue-38091.stderr
@@ -11,11 +11,14 @@ LL | #![feature(specialization)]
error[E0277]: the trait bound `(): Valid` is not satisfied
--> $DIR/issue-38091.rs:12:5
|
-LL | type Ty: Valid;
- | ----- required by this bound in `Iterate::Ty`
-...
LL | default type Ty = ();
| ^^^^^^^^^^^^^^^^^^^^^ the trait `Valid` is not implemented for `()`
+ |
+note: required by a bound in `Iterate::Ty`
+ --> $DIR/issue-38091.rs:5:14
+ |
+LL | type Ty: Valid;
+ | ^^^^^ required by this bound in `Iterate::Ty`
error: aborting due to previous error; 1 warning emitted
diff --git a/src/test/ui/specialization/issue-44861.stderr b/src/test/ui/specialization/issue-44861.stderr
index 3935a4a5f9931..114504b043941 100644
--- a/src/test/ui/specialization/issue-44861.stderr
+++ b/src/test/ui/specialization/issue-44861.stderr
@@ -1,11 +1,14 @@
error[E0277]: the trait bound `(): CoerceUnsized<*const [u8]>` is not satisfied
--> $DIR/issue-44861.rs:21:5
|
-LL | type Data2: CoerceUnsized<*const [u8]>;
- | -------------------------- required by this bound in `Smartass::Data2`
-...
LL | default type Data2 = ();
| ^^^^^^^^^^^^^^^^^^^^^^^^ the trait `CoerceUnsized<*const [u8]>` is not implemented for `()`
+ |
+note: required by a bound in `Smartass::Data2`
+ --> $DIR/issue-44861.rs:12:17
+ |
+LL | type Data2: CoerceUnsized<*const [u8]>;
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Smartass::Data2`
error: aborting due to previous error
diff --git a/src/test/ui/specialization/issue-59435.stderr b/src/test/ui/specialization/issue-59435.stderr
index f3f8b022b01e1..606d22ed07be7 100644
--- a/src/test/ui/specialization/issue-59435.stderr
+++ b/src/test/ui/specialization/issue-59435.stderr
@@ -1,11 +1,14 @@
error[E0277]: the trait bound `MyStruct: Default` is not satisfied
--> $DIR/issue-59435.rs:11:5
|
-LL | type MyType: Default;
- | ------- required by this bound in `MyTrait::MyType`
-...
LL | default type MyType = MyStruct;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Default` is not implemented for `MyStruct`
+ |
+note: required by a bound in `MyTrait::MyType`
+ --> $DIR/issue-59435.rs:7:18
+ |
+LL | type MyType: Default;
+ | ^^^^^^^ required by this bound in `MyTrait::MyType`
error: aborting due to previous error
diff --git a/src/test/ui/str/str-mut-idx.stderr b/src/test/ui/str/str-mut-idx.stderr
index 567f5d8e1e73a..3e49c8394ab0a 100644
--- a/src/test/ui/str/str-mut-idx.stderr
+++ b/src/test/ui/str/str-mut-idx.stderr
@@ -1,13 +1,15 @@
error[E0277]: the size for values of type `str` cannot be known at compilation time
--> $DIR/str-mut-idx.rs:4:15
|
-LL | fn bot<T>() -> T { loop {} }
- | - required by this bound in `bot`
-...
LL | s[1..2] = bot();
| ^^^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `str`
+note: required by a bound in `bot`
+ --> $DIR/str-mut-idx.rs:1:8
+ |
+LL | fn bot<T>() -> T { loop {} }
+ | ^ required by this bound in `bot`
help: consider relaxing the implicit `Sized` restriction
|
LL | fn bot<T: ?Sized>() -> T { loop {} }
diff --git a/src/test/ui/substs-ppaux.normal.stderr b/src/test/ui/substs-ppaux.normal.stderr
index 10abdfc333aaa..97caa833d2f58 100644
--- a/src/test/ui/substs-ppaux.normal.stderr
+++ b/src/test/ui/substs-ppaux.normal.stderr
@@ -73,9 +73,6 @@ LL | let x: () = foo::<'static>();
error[E0277]: the size for values of type `str` cannot be known at compilation time
--> $DIR/substs-ppaux.rs:49:5
|
-LL | fn bar<'a, T>() where T: 'a {}
- | -- required by this bound in `Foo::bar`
-...
LL | <str as Foo<u8>>::bar;
| ^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
|
@@ -85,6 +82,11 @@ note: required because of the requirements on the impl of `Foo<'_, '_, u8>` for
|
LL | impl<'a,'b,T,S> Foo<'a, 'b, S> for T {}
| ^^^^^^^^^^^^^^ ^
+note: required by a bound in `Foo::bar`
+ --> $DIR/substs-ppaux.rs:7:30
+ |
+LL | fn bar<'a, T>() where T: 'a {}
+ | ^^ required by this bound in `Foo::bar`
error: aborting due to 5 previous errors
diff --git a/src/test/ui/substs-ppaux.verbose.stderr b/src/test/ui/substs-ppaux.verbose.stderr
index 136e269b21010..5829073c265bd 100644
--- a/src/test/ui/substs-ppaux.verbose.stderr
+++ b/src/test/ui/substs-ppaux.verbose.stderr
@@ -73,9 +73,6 @@ LL | let x: () = foo::<'static>();
error[E0277]: the size for values of type `str` cannot be known at compilation time
--> $DIR/substs-ppaux.rs:49:5
|
-LL | fn bar<'a, T>() where T: 'a {}
- | -- required by this bound in `Foo::bar`
-...
LL | <str as Foo<u8>>::bar;
| ^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
|
@@ -85,6 +82,11 @@ note: required because of the requirements on the impl of `Foo<'_#0r, '_#1r, u8>
|
LL | impl<'a,'b,T,S> Foo<'a, 'b, S> for T {}
| ^^^^^^^^^^^^^^ ^
+note: required by a bound in `Foo::bar`
+ --> $DIR/substs-ppaux.rs:7:30
+ |
+LL | fn bar<'a, T>() where T: 'a {}
+ | ^^ required by this bound in `Foo::bar`
error: aborting due to 5 previous errors
diff --git a/src/test/ui/suggestions/adt-param-with-implicit-sized-bound.stderr b/src/test/ui/suggestions/adt-param-with-implicit-sized-bound.stderr
index c64205411bb7e..fb40c260e2d0c 100644
--- a/src/test/ui/suggestions/adt-param-with-implicit-sized-bound.stderr
+++ b/src/test/ui/suggestions/adt-param-with-implicit-sized-bound.stderr
@@ -3,10 +3,12 @@ error[E0277]: the size for values of type `Self` cannot be known at compilation
|
LL | fn func1() -> Struct1<Self>;
| ^^^^^^^^^^^^^ doesn't have a size known at compile-time
-...
-LL | struct Struct1<T>{
- | - required by this bound in `Struct1`
|
+note: required by a bound in `Struct1`
+ --> $DIR/adt-param-with-implicit-sized-bound.rs:8:16
+ |
+LL | struct Struct1<T>{
+ | ^ required by this bound in `Struct1`
help: consider further restricting `Self`
|
LL | fn func1() -> Struct1<Self> where Self: Sized;
@@ -21,10 +23,12 @@ error[E0277]: the size for values of type `Self` cannot be known at compilation
|
LL | fn func2<'a>() -> Struct2<'a, Self>;
| ^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
-...
-LL | struct Struct2<'a, T>{
- | - required by this bound in `Struct2`
|
+note: required by a bound in `Struct2`
+ --> $DIR/adt-param-with-implicit-sized-bound.rs:11:20
+ |
+LL | struct Struct2<'a, T>{
+ | ^ required by this bound in `Struct2`
help: consider further restricting `Self`
|
LL | fn func2<'a>() -> Struct2<'a, Self> where Self: Sized;
@@ -39,10 +43,12 @@ error[E0277]: the size for values of type `Self` cannot be known at compilation
|
LL | fn func3() -> Struct3<Self>;
| ^^^^^^^^^^^^^ doesn't have a size known at compile-time
-...
-LL | struct Struct3<T>{
- | - required by this bound in `Struct3`
|
+note: required by a bound in `Struct3`
+ --> $DIR/adt-param-with-implicit-sized-bound.rs:14:16
+ |
+LL | struct Struct3<T>{
+ | ^ required by this bound in `Struct3`
help: you could relax the implicit `Sized` bound on `T` if it were used through indirection like `&T` or `Box<T>`
--> $DIR/adt-param-with-implicit-sized-bound.rs:14:16
|
@@ -60,10 +66,12 @@ error[E0277]: the size for values of type `Self` cannot be known at compilation
|
LL | fn func4() -> Struct4<Self>;
| ^^^^^^^^^^^^^ doesn't have a size known at compile-time
-...
-LL | struct Struct4<T>{
- | - required by this bound in `Struct4`
|
+note: required by a bound in `Struct4`
+ --> $DIR/adt-param-with-implicit-sized-bound.rs:20:16
+ |
+LL | struct Struct4<T>{
+ | ^ required by this bound in `Struct4`
help: consider further restricting `Self`
|
LL | fn func4() -> Struct4<Self> where Self: Sized;
@@ -76,14 +84,16 @@ LL | struct Struct4<T: ?Sized>{
error[E0277]: the size for values of type `T` cannot be known at compilation time
--> $DIR/adt-param-with-implicit-sized-bound.rs:25:9
|
-LL | struct X<T>(T);
- | - required by this bound in `X`
-...
LL | struct Struct5<T: ?Sized>{
| - this type parameter needs to be `std::marker::Sized`
LL | _t: X<T>,
| ^^^^ doesn't have a size known at compile-time
|
+note: required by a bound in `X`
+ --> $DIR/adt-param-with-implicit-sized-bound.rs:18:10
+ |
+LL | struct X<T>(T);
+ | ^ required by this bound in `X`
help: you could relax the implicit `Sized` bound on `T` if it were used through indirection like `&T` or `Box<T>`
--> $DIR/adt-param-with-implicit-sized-bound.rs:18:10
|
diff --git a/src/test/ui/suggestions/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.stderr b/src/test/ui/suggestions/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.stderr
index 81c9b0378e706..300c2a66c2996 100644
--- a/src/test/ui/suggestions/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.stderr
+++ b/src/test/ui/suggestions/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.stderr
@@ -3,14 +3,16 @@ error[E0277]: `fn() -> impl Future {foo}` is not a future
|
LL | async fn foo() {}
| --- consider calling this function
-LL |
-LL | fn bar(f: impl Future<Output=()>) {}
- | ----------------- required by this bound in `bar`
...
LL | bar(foo);
| ^^^ `fn() -> impl Future {foo}` is not a future
|
= help: the trait `Future` is not implemented for `fn() -> impl Future {foo}`
+note: required by a bound in `bar`
+ --> $DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:7:16
+ |
+LL | fn bar(f: impl Future<Output=()>) {}
+ | ^^^^^^^^^^^^^^^^^ required by this bound in `bar`
help: use parentheses to call the function
|
LL | bar(foo());
@@ -19,15 +21,17 @@ LL | bar(foo());
error[E0277]: `[closure@$DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:11:25: 11:36]` is not a future
--> $DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:12:9
|
-LL | fn bar(f: impl Future<Output=()>) {}
- | ----------------- required by this bound in `bar`
-...
LL | let async_closure = async || ();
| -------- consider calling this closure
LL | bar(async_closure);
| ^^^^^^^^^^^^^ `[closure@$DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:11:25: 11:36]` is not a future
|
= help: the trait `Future` is not implemented for `[closure@$DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:11:25: 11:36]`
+note: required by a bound in `bar`
+ --> $DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:7:16
+ |
+LL | fn bar(f: impl Future<Output=()>) {}
+ | ^^^^^^^^^^^^^^^^^ required by this bound in `bar`
help: use parentheses to call the closure
|
LL | bar(async_closure());
diff --git a/src/test/ui/suggestions/fn-ctor-passed-as-arg-where-it-should-have-been-called.stderr b/src/test/ui/suggestions/fn-ctor-passed-as-arg-where-it-should-have-been-called.stderr
index 1916fe54cc5df..93048107e59fc 100644
--- a/src/test/ui/suggestions/fn-ctor-passed-as-arg-where-it-should-have-been-called.stderr
+++ b/src/test/ui/suggestions/fn-ctor-passed-as-arg-where-it-should-have-been-called.stderr
@@ -3,13 +3,15 @@ error[E0277]: the trait bound `fn() -> impl T {foo}: T` is not satisfied
|
LL | fn foo() -> impl T<O=()> { S }
| --- consider calling this function
-LL |
-LL | fn bar(f: impl T<O=()>) {}
- | ------- required by this bound in `bar`
...
LL | bar(foo);
| ^^^ the trait `T` is not implemented for `fn() -> impl T {foo}`
|
+note: required by a bound in `bar`
+ --> $DIR/fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:14:16
+ |
+LL | fn bar(f: impl T<O=()>) {}
+ | ^^^^^^^ required by this bound in `bar`
help: use parentheses to call the function
|
LL | bar(foo());
@@ -18,14 +20,16 @@ LL | bar(foo());
error[E0277]: the trait bound `[closure@$DIR/fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:18:19: 18:23]: T` is not satisfied
--> $DIR/fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:19:9
|
-LL | fn bar(f: impl T<O=()>) {}
- | ------- required by this bound in `bar`
-...
LL | let closure = || S;
| -- consider calling this closure
LL | bar(closure);
| ^^^^^^^ the trait `T` is not implemented for `[closure@$DIR/fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:18:19: 18:23]`
|
+note: required by a bound in `bar`
+ --> $DIR/fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:14:16
+ |
+LL | fn bar(f: impl T<O=()>) {}
+ | ^^^^^^^ required by this bound in `bar`
help: use parentheses to call the closure
|
LL | bar(closure());
diff --git a/src/test/ui/suggestions/imm-ref-trait-object-literal-bound-regions.stderr b/src/test/ui/suggestions/imm-ref-trait-object-literal-bound-regions.stderr
index 83de3c4cfe0a5..64a62524653b7 100644
--- a/src/test/ui/suggestions/imm-ref-trait-object-literal-bound-regions.stderr
+++ b/src/test/ui/suggestions/imm-ref-trait-object-literal-bound-regions.stderr
@@ -1,17 +1,19 @@
error[E0277]: the trait bound `for<'b> &'b S: Trait` is not satisfied
--> $DIR/imm-ref-trait-object-literal-bound-regions.rs:17:5
|
-LL | fn foo<X>(_: X)
- | --- required by a bound in this
-LL | where
-LL | for<'b> &'b X: Trait,
- | ----- required by this bound in `foo`
-...
LL | foo::<S>(s);
| ^^^^^^^^ the trait `for<'b> Trait` is not implemented for `&'b S`
|
= help: the following implementations were found:
<&'a mut S as Trait>
+note: required by a bound in `foo`
+ --> $DIR/imm-ref-trait-object-literal-bound-regions.rs:11:20
+ |
+LL | fn foo<X>(_: X)
+ | --- required by a bound in this
+LL | where
+LL | for<'b> &'b X: Trait,
+ | ^^^^^ required by this bound in `foo`
error: aborting due to previous error
diff --git a/src/test/ui/suggestions/imm-ref-trait-object-literal.stderr b/src/test/ui/suggestions/imm-ref-trait-object-literal.stderr
index a12b6bd2128a8..39bde52c55a59 100644
--- a/src/test/ui/suggestions/imm-ref-trait-object-literal.stderr
+++ b/src/test/ui/suggestions/imm-ref-trait-object-literal.stderr
@@ -1,14 +1,16 @@
error[E0277]: the trait bound `&S: Trait` is not satisfied
--> $DIR/imm-ref-trait-object-literal.rs:12:7
|
-LL | fn foo<X: Trait>(_: X) {}
- | ----- required by this bound in `foo`
-...
LL | foo(&s);
| ^^ the trait `Trait` is not implemented for `&S`
|
= help: the following implementations were found:
<&'a mut S as Trait>
+note: required by a bound in `foo`
+ --> $DIR/imm-ref-trait-object-literal.rs:7:11
+ |
+LL | fn foo<X: Trait>(_: X) {}
+ | ^^^^^ required by this bound in `foo`
help: consider changing this borrow's mutability
|
LL | foo(&mut s);
@@ -17,14 +19,17 @@ LL | foo(&mut s);
error[E0277]: the trait bound `S: Trait` is not satisfied
--> $DIR/imm-ref-trait-object-literal.rs:13:7
|
-LL | fn foo<X: Trait>(_: X) {}
- | ----- required by this bound in `foo`
-...
LL | foo(s);
| ^
| |
| expected an implementor of trait `Trait`
| help: consider mutably borrowing here: `&mut s`
+ |
+note: required by a bound in `foo`
+ --> $DIR/imm-ref-trait-object-literal.rs:7:11
+ |
+LL | fn foo<X: Trait>(_: X) {}
+ | ^^^^^ required by this bound in `foo`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/suggestions/impl-trait-with-missing-bounds.stderr b/src/test/ui/suggestions/impl-trait-with-missing-bounds.stderr
index 7d8a34ed01889..1cde42ff2cb01 100644
--- a/src/test/ui/suggestions/impl-trait-with-missing-bounds.stderr
+++ b/src/test/ui/suggestions/impl-trait-with-missing-bounds.stderr
@@ -3,11 +3,13 @@ error[E0277]: `<impl Iterator as Iterator>::Item` doesn't implement `Debug`
|
LL | qux(constraint);
| ^^^^^^^^^^ `<impl Iterator as Iterator>::Item` cannot be formatted using `{:?}` because it doesn't implement `Debug`
-...
-LL | fn qux(_: impl std::fmt::Debug) {}
- | --------------- required by this bound in `qux`
|
= help: the trait `Debug` is not implemented for `<impl Iterator as Iterator>::Item`
+note: required by a bound in `qux`
+ --> $DIR/impl-trait-with-missing-bounds.rs:50:16
+ |
+LL | fn qux(_: impl std::fmt::Debug) {}
+ | ^^^^^^^^^^^^^^^ required by this bound in `qux`
help: introduce a type parameter with a trait bound instead of using `impl Trait`
|
LL | fn foo<I: Iterator>(constraints: I) where <I as Iterator>::Item: Debug {
@@ -18,11 +20,13 @@ error[E0277]: `<impl Iterator as Iterator>::Item` doesn't implement `Debug`
|
LL | qux(constraint);
| ^^^^^^^^^^ `<impl Iterator as Iterator>::Item` cannot be formatted using `{:?}` because it doesn't implement `Debug`
-...
-LL | fn qux(_: impl std::fmt::Debug) {}
- | --------------- required by this bound in `qux`
|
= help: the trait `Debug` is not implemented for `<impl Iterator as Iterator>::Item`
+note: required by a bound in `qux`
+ --> $DIR/impl-trait-with-missing-bounds.rs:50:16
+ |
+LL | fn qux(_: impl std::fmt::Debug) {}
+ | ^^^^^^^^^^^^^^^ required by this bound in `qux`
help: introduce a type parameter with a trait bound instead of using `impl Trait`
|
LL | fn bar<T, I: Iterator>(t: T, constraints: I) where T: std::fmt::Debug, <I as Iterator>::Item: Debug {
@@ -33,11 +37,13 @@ error[E0277]: `<impl Iterator as Iterator>::Item` doesn't implement `Debug`
|
LL | qux(constraint);
| ^^^^^^^^^^ `<impl Iterator as Iterator>::Item` cannot be formatted using `{:?}` because it doesn't implement `Debug`
-...
-LL | fn qux(_: impl std::fmt::Debug) {}
- | --------------- required by this bound in `qux`
|
= help: the trait `Debug` is not implemented for `<impl Iterator as Iterator>::Item`
+note: required by a bound in `qux`
+ --> $DIR/impl-trait-with-missing-bounds.rs:50:16
+ |
+LL | fn qux(_: impl std::fmt::Debug) {}
+ | ^^^^^^^^^^^^^^^ required by this bound in `qux`
help: introduce a type parameter with a trait bound instead of using `impl Trait`
|
LL | fn baz<I: Iterator>(t: impl std::fmt::Debug, constraints: I) where <I as Iterator>::Item: Debug {
@@ -48,11 +54,13 @@ error[E0277]: `<impl Iterator as Iterator>::Item` doesn't implement `Debug`
|
LL | qux(constraint);
| ^^^^^^^^^^ `<impl Iterator as Iterator>::Item` cannot be formatted using `{:?}` because it doesn't implement `Debug`
-...
-LL | fn qux(_: impl std::fmt::Debug) {}
- | --------------- required by this bound in `qux`
|
= help: the trait `Debug` is not implemented for `<impl Iterator as Iterator>::Item`
+note: required by a bound in `qux`
+ --> $DIR/impl-trait-with-missing-bounds.rs:50:16
+ |
+LL | fn qux(_: impl std::fmt::Debug) {}
+ | ^^^^^^^^^^^^^^^ required by this bound in `qux`
help: introduce a type parameter with a trait bound instead of using `impl Trait`
|
LL | fn bat<I, T: std::fmt::Debug, U: Iterator>(t: T, constraints: U, _: I) where <U as Iterator>::Item: Debug {
@@ -63,11 +71,13 @@ error[E0277]: `<impl Iterator + std::fmt::Debug as Iterator>::Item` doesn't impl
|
LL | qux(constraint);
| ^^^^^^^^^^ `<impl Iterator + std::fmt::Debug as Iterator>::Item` cannot be formatted using `{:?}` because it doesn't implement `Debug`
-...
-LL | fn qux(_: impl std::fmt::Debug) {}
- | --------------- required by this bound in `qux`
|
= help: the trait `Debug` is not implemented for `<impl Iterator + std::fmt::Debug as Iterator>::Item`
+note: required by a bound in `qux`
+ --> $DIR/impl-trait-with-missing-bounds.rs:50:16
+ |
+LL | fn qux(_: impl std::fmt::Debug) {}
+ | ^^^^^^^^^^^^^^^ required by this bound in `qux`
help: introduce a type parameter with a trait bound instead of using `impl Trait`
|
LL | fn bak<I: Iterator + std::fmt::Debug>(constraints: I) where <I as Iterator>::Item: Debug {
@@ -78,11 +88,13 @@ error[E0277]: `<impl Iterator as Iterator>::Item` doesn't implement `Debug`
|
LL | qux(constraint);
| ^^^^^^^^^^ `<impl Iterator as Iterator>::Item` cannot be formatted using `{:?}` because it doesn't implement `Debug`
-...
-LL | fn qux(_: impl std::fmt::Debug) {}
- | --------------- required by this bound in `qux`
|
= help: the trait `Debug` is not implemented for `<impl Iterator as Iterator>::Item`
+note: required by a bound in `qux`
+ --> $DIR/impl-trait-with-missing-bounds.rs:50:16
+ |
+LL | fn qux(_: impl std::fmt::Debug) {}
+ | ^^^^^^^^^^^^^^^ required by this bound in `qux`
help: introduce a type parameter with a trait bound instead of using `impl Trait`
|
LL | fn baw<I: Iterator>(constraints: I) where <I as Iterator>::Item: Debug {
diff --git a/src/test/ui/suggestions/into-str.stderr b/src/test/ui/suggestions/into-str.stderr
index 26efd50bb8fd3..263d509075af8 100644
--- a/src/test/ui/suggestions/into-str.stderr
+++ b/src/test/ui/suggestions/into-str.stderr
@@ -1,14 +1,16 @@
error[E0277]: the trait bound `&str: From<String>` is not satisfied
--> $DIR/into-str.rs:4:5
|
-LL | fn foo<'a, T>(_t: T) where T: Into<&'a str> {}
- | ------------- required by this bound in `foo`
-...
LL | foo(String::new());
| ^^^ the trait `From<String>` is not implemented for `&str`
|
= note: to coerce a `String` into a `&str`, use `&*` as a prefix
= note: required because of the requirements on the impl of `Into<&str>` for `String`
+note: required by a bound in `foo`
+ --> $DIR/into-str.rs:1:31
+ |
+LL | fn foo<'a, T>(_t: T) where T: Into<&'a str> {}
+ | ^^^^^^^^^^^^^ required by this bound in `foo`
error: aborting due to previous error
diff --git a/src/test/ui/suggestions/issue-79843-impl-trait-with-missing-bounds-on-async-fn.stderr b/src/test/ui/suggestions/issue-79843-impl-trait-with-missing-bounds-on-async-fn.stderr
index be91eb876d0e0..cd1a8c4be8ecc 100644
--- a/src/test/ui/suggestions/issue-79843-impl-trait-with-missing-bounds-on-async-fn.stderr
+++ b/src/test/ui/suggestions/issue-79843-impl-trait-with-missing-bounds-on-async-fn.stderr
@@ -3,11 +3,13 @@ error[E0277]: `<impl Foo as Foo>::Bar` cannot be sent between threads safely
|
LL | assert_is_send(&bar);
| ^^^^ `<impl Foo as Foo>::Bar` cannot be sent between threads safely
-...
-LL | fn assert_is_send<T: Send>(_: &T) {}
- | ---- required by this bound in `assert_is_send`
|
= help: the trait `Send` is not implemented for `<impl Foo as Foo>::Bar`
+note: required by a bound in `assert_is_send`
+ --> $DIR/issue-79843-impl-trait-with-missing-bounds-on-async-fn.rs:30:22
+ |
+LL | fn assert_is_send<T: Send>(_: &T) {}
+ | ^^^^ required by this bound in `assert_is_send`
help: introduce a type parameter with a trait bound instead of using `impl Trait`
|
LL | async fn run<F: Foo>(_: &(), foo: F) -> std::io::Result<()> where <F as Foo>::Bar: Send {
@@ -18,11 +20,13 @@ error[E0277]: `<impl Foo as Foo>::Bar` cannot be sent between threads safely
|
LL | assert_is_send(&bar);
| ^^^^ `<impl Foo as Foo>::Bar` cannot be sent between threads safely
-...
-LL | fn assert_is_send<T: Send>(_: &T) {}
- | ---- required by this bound in `assert_is_send`
|
= help: the trait `Send` is not implemented for `<impl Foo as Foo>::Bar`
+note: required by a bound in `assert_is_send`
+ --> $DIR/issue-79843-impl-trait-with-missing-bounds-on-async-fn.rs:30:22
+ |
+LL | fn assert_is_send<T: Send>(_: &T) {}
+ | ^^^^ required by this bound in `assert_is_send`
help: introduce a type parameter with a trait bound instead of using `impl Trait`
|
LL | async fn run2<F: Foo>(_: &(), foo: F) -> std::io::Result<()> where <F as Foo>::Bar: Send {
diff --git a/src/test/ui/suggestions/issue-84973-2.stderr b/src/test/ui/suggestions/issue-84973-2.stderr
index b6ed437b5eefd..df1eeb7a2b898 100644
--- a/src/test/ui/suggestions/issue-84973-2.stderr
+++ b/src/test/ui/suggestions/issue-84973-2.stderr
@@ -1,14 +1,17 @@
error[E0277]: the trait bound `i32: Tr` is not satisfied
--> $DIR/issue-84973-2.rs:11:9
|
-LL | fn foo<T: Tr>(i: T) {}
- | -- required by this bound in `foo`
-...
LL | foo(a);
| ^
| |
| expected an implementor of trait `Tr`
| help: consider mutably borrowing here: `&mut a`
+ |
+note: required by a bound in `foo`
+ --> $DIR/issue-84973-2.rs:7:11
+ |
+LL | fn foo<T: Tr>(i: T) {}
+ | ^^ required by this bound in `foo`
error: aborting due to previous error
diff --git a/src/test/ui/suggestions/issue-84973-blacklist.stderr b/src/test/ui/suggestions/issue-84973-blacklist.stderr
index f1e6ef883ae90..2ffe2f5a2b688 100644
--- a/src/test/ui/suggestions/issue-84973-blacklist.stderr
+++ b/src/test/ui/suggestions/issue-84973-blacklist.stderr
@@ -1,53 +1,65 @@
error[E0277]: the trait bound `String: Copy` is not satisfied
--> $DIR/issue-84973-blacklist.rs:15:12
|
-LL | fn f_copy<T: Copy>(t: T) {}
- | ---- required by this bound in `f_copy`
-...
LL | f_copy("".to_string());
| ^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `String`
+ |
+note: required by a bound in `f_copy`
+ --> $DIR/issue-84973-blacklist.rs:6:14
+ |
+LL | fn f_copy<T: Copy>(t: T) {}
+ | ^^^^ required by this bound in `f_copy`
error[E0277]: the trait bound `S: Clone` is not satisfied
--> $DIR/issue-84973-blacklist.rs:16:13
|
-LL | fn f_clone<T: Clone>(t: T) {}
- | ----- required by this bound in `f_clone`
-...
LL | f_clone(S);
| ^ the trait `Clone` is not implemented for `S`
+ |
+note: required by a bound in `f_clone`
+ --> $DIR/issue-84973-blacklist.rs:7:15
+ |
+LL | fn f_clone<T: Clone>(t: T) {}
+ | ^^^^^ required by this bound in `f_clone`
error[E0277]: `[static generator@$DIR/issue-84973-blacklist.rs:17:13: 17:33]` cannot be unpinned
--> $DIR/issue-84973-blacklist.rs:17:5
|
-LL | fn f_unpin<T: Unpin>(t: T) {}
- | ----- required by this bound in `f_unpin`
-...
LL | f_unpin(static || { yield; });
| ^^^^^^^ the trait `Unpin` is not implemented for `[static generator@$DIR/issue-84973-blacklist.rs:17:13: 17:33]`
|
= note: consider using `Box::pin`
+note: required by a bound in `f_unpin`
+ --> $DIR/issue-84973-blacklist.rs:8:15
+ |
+LL | fn f_unpin<T: Unpin>(t: T) {}
+ | ^^^^^ required by this bound in `f_unpin`
error[E0277]: the size for values of type `dyn Fn()` cannot be known at compilation time
--> $DIR/issue-84973-blacklist.rs:22:13
|
-LL | fn f_sized<T: Sized>(t: T) {}
- | - required by this bound in `f_sized`
-...
LL | f_sized(*ref_cl);
| ^^^^^^^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `dyn Fn()`
+note: required by a bound in `f_sized`
+ --> $DIR/issue-84973-blacklist.rs:9:12
+ |
+LL | fn f_sized<T: Sized>(t: T) {}
+ | ^ required by this bound in `f_sized`
error[E0277]: `Rc<{integer}>` cannot be sent between threads safely
--> $DIR/issue-84973-blacklist.rs:28:12
|
-LL | fn f_send<T: Send>(t: T) {}
- | ---- required by this bound in `f_send`
-...
LL | f_send(rc);
| ^^ `Rc<{integer}>` cannot be sent between threads safely
|
= help: the trait `Send` is not implemented for `Rc<{integer}>`
+note: required by a bound in `f_send`
+ --> $DIR/issue-84973-blacklist.rs:10:14
+ |
+LL | fn f_send<T: Send>(t: T) {}
+ | ^^^^ required by this bound in `f_send`
error[E0277]: the size for values of type `dyn Fn()` cannot be known at compilation time
--> $DIR/issue-84973-blacklist.rs:22:5
diff --git a/src/test/ui/suggestions/issue-84973-negative.stderr b/src/test/ui/suggestions/issue-84973-negative.stderr
index 94513eca0bf09..bd1cf6ba61460 100644
--- a/src/test/ui/suggestions/issue-84973-negative.stderr
+++ b/src/test/ui/suggestions/issue-84973-negative.stderr
@@ -1,23 +1,29 @@
error[E0277]: the trait bound `i32: Tr` is not satisfied
--> $DIR/issue-84973-negative.rs:10:9
|
-LL | fn bar<T: Tr>(t: T) {}
- | -- required by this bound in `bar`
-...
LL | bar(a);
| ^ the trait `Tr` is not implemented for `i32`
+ |
+note: required by a bound in `bar`
+ --> $DIR/issue-84973-negative.rs:5:11
+ |
+LL | fn bar<T: Tr>(t: T) {}
+ | ^^ required by this bound in `bar`
error[E0277]: the trait bound `f32: Tr` is not satisfied
--> $DIR/issue-84973-negative.rs:11:9
|
-LL | fn bar<T: Tr>(t: T) {}
- | -- required by this bound in `bar`
-...
LL | bar(b);
| ^
| |
| expected an implementor of trait `Tr`
| help: consider borrowing here: `&b`
+ |
+note: required by a bound in `bar`
+ --> $DIR/issue-84973-negative.rs:5:11
+ |
+LL | fn bar<T: Tr>(t: T) {}
+ | ^^ required by this bound in `bar`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/suggestions/issue-85943-no-suggest-unsized-indirection-in-where-clause.stderr b/src/test/ui/suggestions/issue-85943-no-suggest-unsized-indirection-in-where-clause.stderr
index 735aeb0e0e799..752533cdc1213 100644
--- a/src/test/ui/suggestions/issue-85943-no-suggest-unsized-indirection-in-where-clause.stderr
+++ b/src/test/ui/suggestions/issue-85943-no-suggest-unsized-indirection-in-where-clause.stderr
@@ -1,12 +1,15 @@
error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
--> $DIR/issue-85943-no-suggest-unsized-indirection-in-where-clause.rs:5:10
|
-LL | struct A<T>(T) where T: Send;
- | - required by this bound in `A`
LL | struct B(A<[u8]>);
| ^^^^^^^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `[u8]`
+note: required by a bound in `A`
+ --> $DIR/issue-85943-no-suggest-unsized-indirection-in-where-clause.rs:4:10
+ |
+LL | struct A<T>(T) where T: Send;
+ | ^ required by this bound in `A`
help: you could relax the implicit `Sized` bound on `T` if it were used through indirection like `&T` or `Box<T>`
--> $DIR/issue-85943-no-suggest-unsized-indirection-in-where-clause.rs:4:10
|
diff --git a/src/test/ui/suggestions/mut-borrow-needed-by-trait.stderr b/src/test/ui/suggestions/mut-borrow-needed-by-trait.stderr
index 07fdffd8bedec..3b71d5cee9390 100644
--- a/src/test/ui/suggestions/mut-borrow-needed-by-trait.stderr
+++ b/src/test/ui/suggestions/mut-borrow-needed-by-trait.stderr
@@ -17,12 +17,12 @@ error[E0277]: the trait bound `&dyn std::io::Write: std::io::Write` is not satis
LL | let fp = BufWriter::new(fp);
| ^^^^^^^^^^^^^^^^^^ the trait `std::io::Write` is not implemented for `&dyn std::io::Write`
|
- ::: $SRC_DIR/std/src/io/buffered/bufwriter.rs:LL:COL
+ = note: `std::io::Write` is implemented for `&mut dyn std::io::Write`, but not for `&dyn std::io::Write`
+note: required by a bound in `BufWriter`
+ --> $SRC_DIR/std/src/io/buffered/bufwriter.rs:LL:COL
|
LL | pub struct BufWriter<W: Write> {
- | ----- required by this bound in `BufWriter`
- |
- = note: `std::io::Write` is implemented for `&mut dyn std::io::Write`, but not for `&dyn std::io::Write`
+ | ^^^^^ required by this bound in `BufWriter`
error[E0599]: the method `write_fmt` exists for struct `BufWriter<&dyn std::io::Write>`, but its trait bounds were not satisfied
--> $DIR/mut-borrow-needed-by-trait.rs:21:5
diff --git a/src/test/ui/suggestions/restrict-type-argument.stderr b/src/test/ui/suggestions/restrict-type-argument.stderr
index 95a0cb192f335..b62502fb6a2b1 100644
--- a/src/test/ui/suggestions/restrict-type-argument.stderr
+++ b/src/test/ui/suggestions/restrict-type-argument.stderr
@@ -1,12 +1,14 @@
error[E0277]: `impl Sync` cannot be sent between threads safely
--> $DIR/restrict-type-argument.rs:4:13
|
-LL | fn is_send<T: Send>(val: T) {}
- | ---- required by this bound in `is_send`
-...
LL | is_send(val);
| ^^^ `impl Sync` cannot be sent between threads safely
|
+note: required by a bound in `is_send`
+ --> $DIR/restrict-type-argument.rs:1:15
+ |
+LL | fn is_send<T: Send>(val: T) {}
+ | ^^^^ required by this bound in `is_send`
help: consider further restricting this bound
|
LL | fn use_impl_sync(val: impl Sync + std::marker::Send) {
@@ -15,12 +17,14 @@ LL | fn use_impl_sync(val: impl Sync + std::marker::Send) {
error[E0277]: `S` cannot be sent between threads safely
--> $DIR/restrict-type-argument.rs:8:13
|
-LL | fn is_send<T: Send>(val: T) {}
- | ---- required by this bound in `is_send`
-...
LL | is_send(val);
| ^^^ `S` cannot be sent between threads safely
|
+note: required by a bound in `is_send`
+ --> $DIR/restrict-type-argument.rs:1:15
+ |
+LL | fn is_send<T: Send>(val: T) {}
+ | ^^^^ required by this bound in `is_send`
help: consider further restricting this bound
|
LL | fn use_where<S>(val: S) where S: Sync + std::marker::Send {
@@ -29,12 +33,14 @@ LL | fn use_where<S>(val: S) where S: Sync + std::marker::Send {
error[E0277]: `S` cannot be sent between threads safely
--> $DIR/restrict-type-argument.rs:12:13
|
-LL | fn is_send<T: Send>(val: T) {}
- | ---- required by this bound in `is_send`
-...
LL | is_send(val);
| ^^^ `S` cannot be sent between threads safely
|
+note: required by a bound in `is_send`
+ --> $DIR/restrict-type-argument.rs:1:15
+ |
+LL | fn is_send<T: Send>(val: T) {}
+ | ^^^^ required by this bound in `is_send`
help: consider further restricting this bound
|
LL | fn use_bound<S: Sync + std::marker::Send>(val: S) {
@@ -43,12 +49,14 @@ LL | fn use_bound<S: Sync + std::marker::Send>(val: S) {
error[E0277]: `S` cannot be sent between threads safely
--> $DIR/restrict-type-argument.rs:20:13
|
-LL | fn is_send<T: Send>(val: T) {}
- | ---- required by this bound in `is_send`
-...
LL | is_send(val);
| ^^^ `S` cannot be sent between threads safely
|
+note: required by a bound in `is_send`
+ --> $DIR/restrict-type-argument.rs:1:15
+ |
+LL | fn is_send<T: Send>(val: T) {}
+ | ^^^^ required by this bound in `is_send`
help: consider further restricting this bound
|
LL | Sync + std::marker::Send
@@ -57,12 +65,14 @@ LL | Sync + std::marker::Send
error[E0277]: `S` cannot be sent between threads safely
--> $DIR/restrict-type-argument.rs:24:13
|
-LL | fn is_send<T: Send>(val: T) {}
- | ---- required by this bound in `is_send`
-...
LL | is_send(val);
| ^^^ `S` cannot be sent between threads safely
|
+note: required by a bound in `is_send`
+ --> $DIR/restrict-type-argument.rs:1:15
+ |
+LL | fn is_send<T: Send>(val: T) {}
+ | ^^^^ required by this bound in `is_send`
help: consider further restricting this bound
|
LL | fn use_bound_and_where<S: Sync>(val: S) where S: std::fmt::Debug + std::marker::Send {
@@ -71,12 +81,14 @@ LL | fn use_bound_and_where<S: Sync>(val: S) where S: std::fmt::Debug + std::mar
error[E0277]: `S` cannot be sent between threads safely
--> $DIR/restrict-type-argument.rs:28:13
|
-LL | fn is_send<T: Send>(val: T) {}
- | ---- required by this bound in `is_send`
-...
LL | is_send(val);
| ^^^ `S` cannot be sent between threads safely
|
+note: required by a bound in `is_send`
+ --> $DIR/restrict-type-argument.rs:1:15
+ |
+LL | fn is_send<T: Send>(val: T) {}
+ | ^^^^ required by this bound in `is_send`
help: consider restricting type parameter `S`
|
LL | fn use_unbound<S: std::marker::Send>(val: S) {
diff --git a/src/test/ui/trait-bounds/unsized-bound.stderr b/src/test/ui/trait-bounds/unsized-bound.stderr
index c2f176c4b46b2..0c758c9ba266f 100644
--- a/src/test/ui/trait-bounds/unsized-bound.stderr
+++ b/src/test/ui/trait-bounds/unsized-bound.stderr
@@ -1,14 +1,17 @@
error[E0277]: the size for values of type `B` cannot be known at compilation time
--> $DIR/unsized-bound.rs:2:12
|
-LL | trait Trait<A> {}
- | - required by this bound in `Trait`
LL | impl<A, B> Trait<(A, B)> for (A, B) where A: ?Sized, B: ?Sized, {}
| - ^^^^^^^^^^^^^ doesn't have a size known at compile-time
| |
| this type parameter needs to be `std::marker::Sized`
|
= note: required because it appears within the type `(A, B)`
+note: required by a bound in `Trait`
+ --> $DIR/unsized-bound.rs:1:13
+ |
+LL | trait Trait<A> {}
+ | ^ required by this bound in `Trait`
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
LL - impl<A, B> Trait<(A, B)> for (A, B) where A: ?Sized, B: ?Sized, {}
@@ -37,15 +40,17 @@ LL + impl<A, B> Trait<(A, B)> for (A, B) where B: ?Sized, {}
error[E0277]: the size for values of type `C` cannot be known at compilation time
--> $DIR/unsized-bound.rs:5:31
|
-LL | trait Trait<A> {}
- | - required by this bound in `Trait`
-...
LL | impl<A, B: ?Sized, C: ?Sized> Trait<(A, B, C)> for (A, B, C) where A: ?Sized, {}
| - ^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
| |
| this type parameter needs to be `std::marker::Sized`
|
= note: required because it appears within the type `(A, B, C)`
+note: required by a bound in `Trait`
+ --> $DIR/unsized-bound.rs:1:13
+ |
+LL | trait Trait<A> {}
+ | ^ required by this bound in `Trait`
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
LL - impl<A, B: ?Sized, C: ?Sized> Trait<(A, B, C)> for (A, B, C) where A: ?Sized, {}
@@ -89,14 +94,17 @@ LL + impl<A, B, C: ?Sized> Trait<(A, B, C)> for (A, B, C) where A: ?Sized, {}
error[E0277]: the size for values of type `B` cannot be known at compilation time
--> $DIR/unsized-bound.rs:10:28
|
-LL | trait Trait2<A> {}
- | - required by this bound in `Trait2`
LL | impl<A: ?Sized, B: ?Sized> Trait2<(A, B)> for (A, B) {}
| - ^^^^^^^^^^^^^^ doesn't have a size known at compile-time
| |
| this type parameter needs to be `std::marker::Sized`
|
= note: required because it appears within the type `(A, B)`
+note: required by a bound in `Trait2`
+ --> $DIR/unsized-bound.rs:9:14
+ |
+LL | trait Trait2<A> {}
+ | ^ required by this bound in `Trait2`
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
LL - impl<A: ?Sized, B: ?Sized> Trait2<(A, B)> for (A, B) {}
@@ -125,13 +133,16 @@ LL + impl<A, B: ?Sized> Trait2<(A, B)> for (A, B) {}
error[E0277]: the size for values of type `A` cannot be known at compilation time
--> $DIR/unsized-bound.rs:14:9
|
-LL | trait Trait3<A> {}
- | - required by this bound in `Trait3`
LL | impl<A> Trait3<A> for A where A: ?Sized {}
| - ^^^^^^^^^ doesn't have a size known at compile-time
| |
| this type parameter needs to be `std::marker::Sized`
|
+note: required by a bound in `Trait3`
+ --> $DIR/unsized-bound.rs:13:14
+ |
+LL | trait Trait3<A> {}
+ | ^ required by this bound in `Trait3`
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
LL - impl<A> Trait3<A> for A where A: ?Sized {}
@@ -145,13 +156,16 @@ LL | trait Trait3<A: ?Sized> {}
error[E0277]: the size for values of type `A` cannot be known at compilation time
--> $DIR/unsized-bound.rs:17:17
|
-LL | trait Trait4<A> {}
- | - required by this bound in `Trait4`
LL | impl<A: ?Sized> Trait4<A> for A {}
| - ^^^^^^^^^ doesn't have a size known at compile-time
| |
| this type parameter needs to be `std::marker::Sized`
|
+note: required by a bound in `Trait4`
+ --> $DIR/unsized-bound.rs:16:14
+ |
+LL | trait Trait4<A> {}
+ | ^ required by this bound in `Trait4`
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
LL - impl<A: ?Sized> Trait4<A> for A {}
@@ -165,13 +179,16 @@ LL | trait Trait4<A: ?Sized> {}
error[E0277]: the size for values of type `X` cannot be known at compilation time
--> $DIR/unsized-bound.rs:20:12
|
-LL | trait Trait5<A, B> {}
- | - required by this bound in `Trait5`
LL | impl<X, Y> Trait5<X, Y> for X where X: ?Sized {}
| - ^^^^^^^^^^^^ doesn't have a size known at compile-time
| |
| this type parameter needs to be `std::marker::Sized`
|
+note: required by a bound in `Trait5`
+ --> $DIR/unsized-bound.rs:19:14
+ |
+LL | trait Trait5<A, B> {}
+ | ^ required by this bound in `Trait5`
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
LL - impl<X, Y> Trait5<X, Y> for X where X: ?Sized {}
@@ -185,13 +202,16 @@ LL | trait Trait5<A: ?Sized, B> {}
error[E0277]: the size for values of type `X` cannot be known at compilation time
--> $DIR/unsized-bound.rs:23:20
|
-LL | trait Trait6<A, B> {}
- | - required by this bound in `Trait6`
LL | impl<X: ?Sized, Y> Trait6<X, Y> for X {}
| - ^^^^^^^^^^^^ doesn't have a size known at compile-time
| |
| this type parameter needs to be `std::marker::Sized`
|
+note: required by a bound in `Trait6`
+ --> $DIR/unsized-bound.rs:22:14
+ |
+LL | trait Trait6<A, B> {}
+ | ^ required by this bound in `Trait6`
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
LL - impl<X: ?Sized, Y> Trait6<X, Y> for X {}
@@ -205,13 +225,16 @@ LL | trait Trait6<A: ?Sized, B> {}
error[E0277]: the size for values of type `Y` cannot be known at compilation time
--> $DIR/unsized-bound.rs:26:12
|
-LL | trait Trait7<A, B> {}
- | - required by this bound in `Trait7`
LL | impl<X, Y> Trait7<X, Y> for X where Y: ?Sized {}
| - ^^^^^^^^^^^^ doesn't have a size known at compile-time
| |
| this type parameter needs to be `std::marker::Sized`
|
+note: required by a bound in `Trait7`
+ --> $DIR/unsized-bound.rs:25:17
+ |
+LL | trait Trait7<A, B> {}
+ | ^ required by this bound in `Trait7`
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
LL - impl<X, Y> Trait7<X, Y> for X where Y: ?Sized {}
@@ -225,13 +248,16 @@ LL | trait Trait7<A, B: ?Sized> {}
error[E0277]: the size for values of type `Y` cannot be known at compilation time
--> $DIR/unsized-bound.rs:29:20
|
-LL | trait Trait8<A, B> {}
- | - required by this bound in `Trait8`
LL | impl<X, Y: ?Sized> Trait8<X, Y> for X {}
| - ^^^^^^^^^^^^ doesn't have a size known at compile-time
| |
| this type parameter needs to be `std::marker::Sized`
|
+note: required by a bound in `Trait8`
+ --> $DIR/unsized-bound.rs:28:17
+ |
+LL | trait Trait8<A, B> {}
+ | ^ required by this bound in `Trait8`
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
LL - impl<X, Y: ?Sized> Trait8<X, Y> for X {}
diff --git a/src/test/ui/trait-impl-bound-suggestions.stderr b/src/test/ui/trait-impl-bound-suggestions.stderr
index c9dad2ef896f6..38679679cf935 100644
--- a/src/test/ui/trait-impl-bound-suggestions.stderr
+++ b/src/test/ui/trait-impl-bound-suggestions.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `X: Copy` is not satisfied
--> $DIR/trait-impl-bound-suggestions.rs:14:52
|
-LL | struct ConstrainedStruct<X: Copy> {
- | ---- required by this bound in `ConstrainedStruct`
-...
LL | fn return_the_constrained_type(&self, x: X) -> ConstrainedStruct<X> {
| ^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `X`
|
+note: required by a bound in `ConstrainedStruct`
+ --> $DIR/trait-impl-bound-suggestions.rs:8:29
+ |
+LL | struct ConstrainedStruct<X: Copy> {
+ | ^^^^ required by this bound in `ConstrainedStruct`
help: consider further restricting type parameter `X`
|
LL | trait InsufficientlyConstrainedGeneric<X=()> where X: std::marker::Copy {
diff --git a/src/test/ui/traits/alias/cross-crate.stderr b/src/test/ui/traits/alias/cross-crate.stderr
index 3b8fee8e8dfab..3c3b6e566908a 100644
--- a/src/test/ui/traits/alias/cross-crate.stderr
+++ b/src/test/ui/traits/alias/cross-crate.stderr
@@ -1,24 +1,28 @@
error[E0277]: `Rc<u32>` cannot be sent between threads safely
--> $DIR/cross-crate.rs:14:17
|
-LL | fn use_alias<T: SendSync>() {}
- | -------- required by this bound in `use_alias`
-...
LL | use_alias::<Rc<u32>>();
| ^^^^^^^ `Rc<u32>` cannot be sent between threads safely
|
= help: the trait `Send` is not implemented for `Rc<u32>`
+note: required by a bound in `use_alias`
+ --> $DIR/cross-crate.rs:10:17
+ |
+LL | fn use_alias<T: SendSync>() {}
+ | ^^^^^^^^ required by this bound in `use_alias`
error[E0277]: `Rc<u32>` cannot be shared between threads safely
--> $DIR/cross-crate.rs:14:17
|
-LL | fn use_alias<T: SendSync>() {}
- | -------- required by this bound in `use_alias`
-...
LL | use_alias::<Rc<u32>>();
| ^^^^^^^ `Rc<u32>` cannot be shared between threads safely
|
= help: the trait `Sync` is not implemented for `Rc<u32>`
+note: required by a bound in `use_alias`
+ --> $DIR/cross-crate.rs:10:17
+ |
+LL | fn use_alias<T: SendSync>() {}
+ | ^^^^^^^^ required by this bound in `use_alias`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/traits/alias/wf.stderr b/src/test/ui/traits/alias/wf.stderr
index 44b194cea402a..7172008d3eeae 100644
--- a/src/test/ui/traits/alias/wf.stderr
+++ b/src/test/ui/traits/alias/wf.stderr
@@ -1,11 +1,14 @@
error[E0277]: the trait bound `T: Foo` is not satisfied
--> $DIR/wf.rs:5:14
|
-LL | trait A<T: Foo> {}
- | --- required by this bound in `A`
LL | trait B<T> = A<T>;
| ^^^^ the trait `Foo` is not implemented for `T`
|
+note: required by a bound in `A`
+ --> $DIR/wf.rs:4:12
+ |
+LL | trait A<T: Foo> {}
+ | ^^^ required by this bound in `A`
help: consider restricting type parameter `T`
|
LL | trait B<T: Foo> = A<T>;
diff --git a/src/test/ui/traits/associated_type_bound/check-trait-object-bounds-1.stderr b/src/test/ui/traits/associated_type_bound/check-trait-object-bounds-1.stderr
index 170ed6eacfd41..6333b4eb08cd5 100644
--- a/src/test/ui/traits/associated_type_bound/check-trait-object-bounds-1.stderr
+++ b/src/test/ui/traits/associated_type_bound/check-trait-object-bounds-1.stderr
@@ -1,11 +1,14 @@
error[E0277]: the trait bound `str: Clone` is not satisfied
--> $DIR/check-trait-object-bounds-1.rs:12:5
|
-LL | fn f<T: X + ?Sized>() {
- | - required by this bound in `f`
-...
LL | f::<dyn X<Y = str>>();
| ^^^^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `str`
+ |
+note: required by a bound in `f`
+ --> $DIR/check-trait-object-bounds-1.rs:7:9
+ |
+LL | fn f<T: X + ?Sized>() {
+ | ^ required by this bound in `f`
error: aborting due to previous error
diff --git a/src/test/ui/traits/associated_type_bound/check-trait-object-bounds-2.stderr b/src/test/ui/traits/associated_type_bound/check-trait-object-bounds-2.stderr
index 04e2348634ed8..46e8ce7887493 100644
--- a/src/test/ui/traits/associated_type_bound/check-trait-object-bounds-2.stderr
+++ b/src/test/ui/traits/associated_type_bound/check-trait-object-bounds-2.stderr
@@ -1,13 +1,15 @@
error[E0277]: expected a `FnOnce<(&i32,)>` closure, found `i32`
--> $DIR/check-trait-object-bounds-2.rs:13:5
|
-LL | fn f<T: for<'r> X<'r> + ?Sized>() {
- | ------------- required by this bound in `f`
-...
LL | f::<dyn for<'x> X<'x, F = i32>>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected an `FnOnce<(&i32,)>` closure, found `i32`
|
= help: the trait `for<'r> FnOnce<(&'r i32,)>` is not implemented for `i32`
+note: required by a bound in `f`
+ --> $DIR/check-trait-object-bounds-2.rs:8:9
+ |
+LL | fn f<T: for<'r> X<'r> + ?Sized>() {
+ | ^^^^^^^^^^^^^ required by this bound in `f`
error: aborting due to previous error
diff --git a/src/test/ui/traits/associated_type_bound/check-trait-object-bounds-4.stderr b/src/test/ui/traits/associated_type_bound/check-trait-object-bounds-4.stderr
index fc9f31c5ebc7e..9afae9a963834 100644
--- a/src/test/ui/traits/associated_type_bound/check-trait-object-bounds-4.stderr
+++ b/src/test/ui/traits/associated_type_bound/check-trait-object-bounds-4.stderr
@@ -1,11 +1,14 @@
error[E0277]: the trait bound `str: Clone` is not satisfied
--> $DIR/check-trait-object-bounds-4.rs:15:5
|
-LL | fn f<T: X + ?Sized>() {
- | - required by this bound in `f`
-...
LL | f::<dyn X<Y = str>>();
| ^^^^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `str`
+ |
+note: required by a bound in `f`
+ --> $DIR/check-trait-object-bounds-4.rs:10:9
+ |
+LL | fn f<T: X + ?Sized>() {
+ | ^ required by this bound in `f`
error: aborting due to previous error
diff --git a/src/test/ui/traits/associated_type_bound/check-trait-object-bounds-5.stderr b/src/test/ui/traits/associated_type_bound/check-trait-object-bounds-5.stderr
index bd2b789cd9908..c97408ff91e8f 100644
--- a/src/test/ui/traits/associated_type_bound/check-trait-object-bounds-5.stderr
+++ b/src/test/ui/traits/associated_type_bound/check-trait-object-bounds-5.stderr
@@ -1,11 +1,14 @@
error[E0271]: type mismatch resolving `<i32 as Is>::T == i64`
--> $DIR/check-trait-object-bounds-5.rs:23:5
|
-LL | fn is_obj<T: ?Sized + Obj>(_: &T) {}
- | --- required by this bound in `is_obj`
-...
LL | is_obj(x)
| ^^^^^^ expected `i64`, found `i32`
+ |
+note: required by a bound in `is_obj`
+ --> $DIR/check-trait-object-bounds-5.rs:20:23
+ |
+LL | fn is_obj<T: ?Sized + Obj>(_: &T) {}
+ | ^^^ required by this bound in `is_obj`
error: aborting due to previous error
diff --git a/src/test/ui/traits/associated_type_bound/check-trait-object-bounds-6.stderr b/src/test/ui/traits/associated_type_bound/check-trait-object-bounds-6.stderr
index ea1fdaf46f6ae..893564494379f 100644
--- a/src/test/ui/traits/associated_type_bound/check-trait-object-bounds-6.stderr
+++ b/src/test/ui/traits/associated_type_bound/check-trait-object-bounds-6.stderr
@@ -1,11 +1,14 @@
error[E0271]: type mismatch resolving `<i32 as Is>::T == i64`
--> $DIR/check-trait-object-bounds-6.rs:20:5
|
-LL | fn is_obj<T: ?Sized + Obj>(_: &T) {}
- | --- required by this bound in `is_obj`
-...
LL | is_obj(x)
| ^^^^^^ expected `i64`, found `i32`
+ |
+note: required by a bound in `is_obj`
+ --> $DIR/check-trait-object-bounds-6.rs:17:23
+ |
+LL | fn is_obj<T: ?Sized + Obj>(_: &T) {}
+ | ^^^ required by this bound in `is_obj`
error: aborting due to previous error
diff --git a/src/test/ui/traits/bad-sized.stderr b/src/test/ui/traits/bad-sized.stderr
index 58e34cfe15c3d..1322b66003527 100644
--- a/src/test/ui/traits/bad-sized.stderr
+++ b/src/test/ui/traits/bad-sized.stderr
@@ -15,12 +15,12 @@ error[E0277]: the size for values of type `dyn Trait` cannot be known at compila
LL | let x: Vec<dyn Trait + Sized> = Vec::new();
| ^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
|
- ::: $SRC_DIR/alloc/src/vec/mod.rs:LL:COL
+ = help: the trait `Sized` is not implemented for `dyn Trait`
+note: required by a bound in `Vec`
+ --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL
|
LL | pub struct Vec<T, #[unstable(feature = "allocator_api", issue = "32838")] A: Allocator = Global> {
- | - required by this bound in `Vec`
- |
- = help: the trait `Sized` is not implemented for `dyn Trait`
+ | ^ required by this bound in `Vec`
error[E0277]: the size for values of type `dyn Trait` cannot be known at compilation time
--> $DIR/bad-sized.rs:4:37
@@ -41,12 +41,12 @@ error[E0277]: the size for values of type `dyn Trait` cannot be known at compila
LL | let x: Vec<dyn Trait + Sized> = Vec::new();
| ^^^ doesn't have a size known at compile-time
|
- ::: $SRC_DIR/alloc/src/vec/mod.rs:LL:COL
+ = help: the trait `Sized` is not implemented for `dyn Trait`
+note: required by a bound in `Vec`
+ --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL
|
LL | pub struct Vec<T, #[unstable(feature = "allocator_api", issue = "32838")] A: Allocator = Global> {
- | - required by this bound in `Vec`
- |
- = help: the trait `Sized` is not implemented for `dyn Trait`
+ | ^ required by this bound in `Vec`
error: aborting due to 4 previous errors
diff --git a/src/test/ui/traits/bound/on-structs-and-enums-in-fns.stderr b/src/test/ui/traits/bound/on-structs-and-enums-in-fns.stderr
index 346b690d441da..61237a63e3220 100644
--- a/src/test/ui/traits/bound/on-structs-and-enums-in-fns.stderr
+++ b/src/test/ui/traits/bound/on-structs-and-enums-in-fns.stderr
@@ -1,20 +1,26 @@
error[E0277]: the trait bound `u32: Trait` is not satisfied
--> $DIR/on-structs-and-enums-in-fns.rs:13:15
|
-LL | struct Foo<T:Trait> {
- | ----- required by this bound in `Foo`
-...
LL | fn explode(x: Foo<u32>) {}
| ^^^^^^^^ the trait `Trait` is not implemented for `u32`
+ |
+note: required by a bound in `Foo`
+ --> $DIR/on-structs-and-enums-in-fns.rs:3:14
+ |
+LL | struct Foo<T:Trait> {
+ | ^^^^^ required by this bound in `Foo`
error[E0277]: the trait bound `f32: Trait` is not satisfied
--> $DIR/on-structs-and-enums-in-fns.rs:16:14
|
-LL | enum Bar<T:Trait> {
- | ----- required by this bound in `Bar`
-...
LL | fn kaboom(y: Bar<f32>) {}
| ^^^^^^^^ the trait `Trait` is not implemented for `f32`
+ |
+note: required by a bound in `Bar`
+ --> $DIR/on-structs-and-enums-in-fns.rs:7:12
+ |
+LL | enum Bar<T:Trait> {
+ | ^^^^^ required by this bound in `Bar`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/traits/bound/on-structs-and-enums-in-impls.stderr b/src/test/ui/traits/bound/on-structs-and-enums-in-impls.stderr
index 47bab6c375f7a..8a43742260bb2 100644
--- a/src/test/ui/traits/bound/on-structs-and-enums-in-impls.stderr
+++ b/src/test/ui/traits/bound/on-structs-and-enums-in-impls.stderr
@@ -1,11 +1,14 @@
error[E0277]: the trait bound `u16: Trait` is not satisfied
--> $DIR/on-structs-and-enums-in-impls.rs:20:6
|
-LL | struct Foo<T:Trait> {
- | ----- required by this bound in `Foo`
-...
LL | impl PolyTrait<Foo<u16>> for Struct {
| ^^^^^^^^^^^^^^^^^^^ the trait `Trait` is not implemented for `u16`
+ |
+note: required by a bound in `Foo`
+ --> $DIR/on-structs-and-enums-in-impls.rs:3:14
+ |
+LL | struct Foo<T:Trait> {
+ | ^^^^^ required by this bound in `Foo`
error: aborting due to previous error
diff --git a/src/test/ui/traits/bound/on-structs-and-enums-locals.stderr b/src/test/ui/traits/bound/on-structs-and-enums-locals.stderr
index 7480d243f4e62..cd33e18cfb695 100644
--- a/src/test/ui/traits/bound/on-structs-and-enums-locals.stderr
+++ b/src/test/ui/traits/bound/on-structs-and-enums-locals.stderr
@@ -1,11 +1,14 @@
error[E0277]: the trait bound `usize: Trait` is not satisfied
--> $DIR/on-structs-and-enums-locals.rs:15:14
|
-LL | struct Foo<T:Trait> {
- | ----- required by this bound in `Foo`
-...
LL | let baz: Foo<usize> = loop { };
| ^^^^^^^^^^ the trait `Trait` is not implemented for `usize`
+ |
+note: required by a bound in `Foo`
+ --> $DIR/on-structs-and-enums-locals.rs:5:14
+ |
+LL | struct Foo<T:Trait> {
+ | ^^^^^ required by this bound in `Foo`
error[E0277]: the trait bound `{integer}: Trait` is not satisfied
--> $DIR/on-structs-and-enums-locals.rs:10:15
diff --git a/src/test/ui/traits/bound/on-structs-and-enums-static.stderr b/src/test/ui/traits/bound/on-structs-and-enums-static.stderr
index 2cf8a623b3fb3..fda734e857113 100644
--- a/src/test/ui/traits/bound/on-structs-and-enums-static.stderr
+++ b/src/test/ui/traits/bound/on-structs-and-enums-static.stderr
@@ -1,11 +1,14 @@
error[E0277]: the trait bound `usize: Trait` is not satisfied
--> $DIR/on-structs-and-enums-static.rs:9:11
|
-LL | struct Foo<T:Trait> {
- | ----- required by this bound in `Foo`
-...
LL | static X: Foo<usize> = Foo {
| ^^^^^^^^^^ the trait `Trait` is not implemented for `usize`
+ |
+note: required by a bound in `Foo`
+ --> $DIR/on-structs-and-enums-static.rs:5:14
+ |
+LL | struct Foo<T:Trait> {
+ | ^^^^^ required by this bound in `Foo`
error: aborting due to previous error
diff --git a/src/test/ui/traits/bound/on-structs-and-enums-xc.stderr b/src/test/ui/traits/bound/on-structs-and-enums-xc.stderr
index 91552d4ea07d4..5064b60bfd579 100644
--- a/src/test/ui/traits/bound/on-structs-and-enums-xc.stderr
+++ b/src/test/ui/traits/bound/on-structs-and-enums-xc.stderr
@@ -4,10 +4,11 @@ error[E0277]: the trait bound `usize: Trait` is not satisfied
LL | fn explode(x: Foo<usize>) {}
| ^^^^^^^^^^ the trait `Trait` is not implemented for `usize`
|
- ::: $DIR/auxiliary/on_structs_and_enums_xc.rs:5:18
+note: required by a bound in `Foo`
+ --> $DIR/auxiliary/on_structs_and_enums_xc.rs:5:18
|
LL | pub struct Foo<T:Trait> {
- | ----- required by this bound in `Foo`
+ | ^^^^^ required by this bound in `Foo`
error[E0277]: the trait bound `f32: Trait` is not satisfied
--> $DIR/on-structs-and-enums-xc.rs:10:14
@@ -15,10 +16,11 @@ error[E0277]: the trait bound `f32: Trait` is not satisfied
LL | fn kaboom(y: Bar<f32>) {}
| ^^^^^^^^ the trait `Trait` is not implemented for `f32`
|
- ::: $DIR/auxiliary/on_structs_and_enums_xc.rs:9:16
+note: required by a bound in `Bar`
+ --> $DIR/auxiliary/on_structs_and_enums_xc.rs:9:16
|
LL | pub enum Bar<T:Trait> {
- | ----- required by this bound in `Bar`
+ | ^^^^^ required by this bound in `Bar`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/traits/bound/on-structs-and-enums-xc1.stderr b/src/test/ui/traits/bound/on-structs-and-enums-xc1.stderr
index 7d54a559e8b7e..0f25c8856882c 100644
--- a/src/test/ui/traits/bound/on-structs-and-enums-xc1.stderr
+++ b/src/test/ui/traits/bound/on-structs-and-enums-xc1.stderr
@@ -4,10 +4,11 @@ error[E0277]: the trait bound `f64: Trait` is not satisfied
LL | let bar: Bar<f64> = return;
| ^^^^^^^^ the trait `Trait` is not implemented for `f64`
|
- ::: $DIR/auxiliary/on_structs_and_enums_xc.rs:9:16
+note: required by a bound in `Bar`
+ --> $DIR/auxiliary/on_structs_and_enums_xc.rs:9:16
|
LL | pub enum Bar<T:Trait> {
- | ----- required by this bound in `Bar`
+ | ^^^^^ required by this bound in `Bar`
error[E0277]: the trait bound `{integer}: Trait` is not satisfied
--> $DIR/on-structs-and-enums-xc1.rs:8:15
diff --git a/src/test/ui/traits/bound/on-structs-and-enums.stderr b/src/test/ui/traits/bound/on-structs-and-enums.stderr
index cc09b80898cf1..fe05b86344be3 100644
--- a/src/test/ui/traits/bound/on-structs-and-enums.stderr
+++ b/src/test/ui/traits/bound/on-structs-and-enums.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `T: Trait` is not satisfied
--> $DIR/on-structs-and-enums.rs:13:9
|
-LL | struct Foo<T:Trait> {
- | ----- required by this bound in `Foo`
-...
LL | impl<T> Foo<T> {
| ^^^^^^ the trait `Trait` is not implemented for `T`
|
+note: required by a bound in `Foo`
+ --> $DIR/on-structs-and-enums.rs:3:14
+ |
+LL | struct Foo<T:Trait> {
+ | ^^^^^ required by this bound in `Foo`
help: consider restricting type parameter `T`
|
LL | impl<T: Trait> Foo<T> {
@@ -15,30 +17,38 @@ LL | impl<T: Trait> Foo<T> {
error[E0277]: the trait bound `isize: Trait` is not satisfied
--> $DIR/on-structs-and-enums.rs:19:8
|
-LL | struct Foo<T:Trait> {
- | ----- required by this bound in `Foo`
-...
LL | a: Foo<isize>,
| ^^^^^^^^^^ the trait `Trait` is not implemented for `isize`
+ |
+note: required by a bound in `Foo`
+ --> $DIR/on-structs-and-enums.rs:3:14
+ |
+LL | struct Foo<T:Trait> {
+ | ^^^^^ required by this bound in `Foo`
error[E0277]: the trait bound `usize: Trait` is not satisfied
--> $DIR/on-structs-and-enums.rs:23:10
|
-LL | enum Bar<T:Trait> {
- | ----- required by this bound in `Bar`
-...
LL | Quux(Bar<usize>),
| ^^^^^^^^^^ the trait `Trait` is not implemented for `usize`
+ |
+note: required by a bound in `Bar`
+ --> $DIR/on-structs-and-enums.rs:7:12
+ |
+LL | enum Bar<T:Trait> {
+ | ^^^^^ required by this bound in `Bar`
error[E0277]: the trait bound `U: Trait` is not satisfied
--> $DIR/on-structs-and-enums.rs:27:8
|
-LL | struct Foo<T:Trait> {
- | ----- required by this bound in `Foo`
-...
LL | b: Foo<U>,
| ^^^^^^ the trait `Trait` is not implemented for `U`
|
+note: required by a bound in `Foo`
+ --> $DIR/on-structs-and-enums.rs:3:14
+ |
+LL | struct Foo<T:Trait> {
+ | ^^^^^ required by this bound in `Foo`
help: consider restricting type parameter `U`
|
LL | struct Badness<U: Trait> {
@@ -47,12 +57,14 @@ LL | struct Badness<U: Trait> {
error[E0277]: the trait bound `V: Trait` is not satisfied
--> $DIR/on-structs-and-enums.rs:31:21
|
-LL | enum Bar<T:Trait> {
- | ----- required by this bound in `Bar`
-...
LL | EvenMoreBadness(Bar<V>),
| ^^^^^^ the trait `Trait` is not implemented for `V`
|
+note: required by a bound in `Bar`
+ --> $DIR/on-structs-and-enums.rs:7:12
+ |
+LL | enum Bar<T:Trait> {
+ | ^^^^^ required by this bound in `Bar`
help: consider restricting type parameter `V`
|
LL | enum MoreBadness<V: Trait> {
@@ -61,20 +73,26 @@ LL | enum MoreBadness<V: Trait> {
error[E0277]: the trait bound `i32: Trait` is not satisfied
--> $DIR/on-structs-and-enums.rs:35:5
|
-LL | struct Foo<T:Trait> {
- | ----- required by this bound in `Foo`
-...
LL | Foo<i32>,
| ^^^^^^^^ the trait `Trait` is not implemented for `i32`
+ |
+note: required by a bound in `Foo`
+ --> $DIR/on-structs-and-enums.rs:3:14
+ |
+LL | struct Foo<T:Trait> {
+ | ^^^^^ required by this bound in `Foo`
error[E0277]: the trait bound `u8: Trait` is not satisfied
--> $DIR/on-structs-and-enums.rs:39:29
|
-LL | enum Bar<T:Trait> {
- | ----- required by this bound in `Bar`
-...
LL | DictionaryLike { field: Bar<u8> },
| ^^^^^^^ the trait `Trait` is not implemented for `u8`
+ |
+note: required by a bound in `Bar`
+ --> $DIR/on-structs-and-enums.rs:7:12
+ |
+LL | enum Bar<T:Trait> {
+ | ^^^^^ required by this bound in `Bar`
error: aborting due to 7 previous errors
diff --git a/src/test/ui/traits/bound/same-crate-name.stderr b/src/test/ui/traits/bound/same-crate-name.stderr
index ce163b501b79b..15f5fe16bc7bb 100644
--- a/src/test/ui/traits/bound/same-crate-name.stderr
+++ b/src/test/ui/traits/bound/same-crate-name.stderr
@@ -4,17 +4,17 @@ error[E0277]: the trait bound `Foo: main::a::Bar` is not satisfied
LL | a::try_foo(foo);
| ^^^ the trait `main::a::Bar` is not implemented for `Foo`
|
- ::: $DIR/auxiliary/crate_a1.rs:3:24
- |
-LL | pub fn try_foo(x: impl Bar) {}
- | --- required by this bound in `try_foo`
- |
help: trait impl with same name found
--> $DIR/auxiliary/crate_a2.rs:5:1
|
LL | impl Bar for Foo {}
| ^^^^^^^^^^^^^^^^^^^
= note: perhaps two different versions of crate `crate_a2` are being used?
+note: required by a bound in `try_foo`
+ --> $DIR/auxiliary/crate_a1.rs:3:24
+ |
+LL | pub fn try_foo(x: impl Bar) {}
+ | ^^^ required by this bound in `try_foo`
error[E0277]: the trait bound `DoesNotImplementTrait: main::a::Bar` is not satisfied
--> $DIR/same-crate-name.rs:38:20
@@ -22,10 +22,11 @@ error[E0277]: the trait bound `DoesNotImplementTrait: main::a::Bar` is not satis
LL | a::try_foo(implements_no_traits);
| ^^^^^^^^^^^^^^^^^^^^ the trait `main::a::Bar` is not implemented for `DoesNotImplementTrait`
|
- ::: $DIR/auxiliary/crate_a1.rs:3:24
+note: required by a bound in `try_foo`
+ --> $DIR/auxiliary/crate_a1.rs:3:24
|
LL | pub fn try_foo(x: impl Bar) {}
- | --- required by this bound in `try_foo`
+ | ^^^ required by this bound in `try_foo`
error[E0277]: the trait bound `ImplementsWrongTraitConditionally<isize>: main::a::Bar` is not satisfied
--> $DIR/same-crate-name.rs:45:20
@@ -33,17 +34,17 @@ error[E0277]: the trait bound `ImplementsWrongTraitConditionally<isize>: main::a
LL | a::try_foo(other_variant_implements_mismatched_trait);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `main::a::Bar` is not implemented for `ImplementsWrongTraitConditionally<isize>`
|
- ::: $DIR/auxiliary/crate_a1.rs:3:24
- |
-LL | pub fn try_foo(x: impl Bar) {}
- | --- required by this bound in `try_foo`
- |
help: trait impl with same name found
--> $DIR/auxiliary/crate_a2.rs:13:1
|
LL | impl Bar for ImplementsWrongTraitConditionally<isize> {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
= note: perhaps two different versions of crate `crate_a2` are being used?
+note: required by a bound in `try_foo`
+ --> $DIR/auxiliary/crate_a1.rs:3:24
+ |
+LL | pub fn try_foo(x: impl Bar) {}
+ | ^^^ required by this bound in `try_foo`
error[E0277]: the trait bound `ImplementsTraitForUsize<isize>: main::a::Bar` is not satisfied
--> $DIR/same-crate-name.rs:51:20
@@ -51,13 +52,13 @@ error[E0277]: the trait bound `ImplementsTraitForUsize<isize>: main::a::Bar` is
LL | a::try_foo(other_variant_implements_correct_trait);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `main::a::Bar` is not implemented for `ImplementsTraitForUsize<isize>`
|
- ::: $DIR/auxiliary/crate_a1.rs:3:24
- |
-LL | pub fn try_foo(x: impl Bar) {}
- | --- required by this bound in `try_foo`
- |
= help: the following implementations were found:
<ImplementsTraitForUsize<usize> as main::a::Bar>
+note: required by a bound in `try_foo`
+ --> $DIR/auxiliary/crate_a1.rs:3:24
+ |
+LL | pub fn try_foo(x: impl Bar) {}
+ | ^^^ required by this bound in `try_foo`
error: aborting due to 4 previous errors
diff --git a/src/test/ui/traits/impl-bounds-checking.stderr b/src/test/ui/traits/impl-bounds-checking.stderr
index 8698ed6e875f3..b01bacdb87dcd 100644
--- a/src/test/ui/traits/impl-bounds-checking.stderr
+++ b/src/test/ui/traits/impl-bounds-checking.stderr
@@ -1,11 +1,14 @@
error[E0277]: the trait bound `isize: Clone2` is not satisfied
--> $DIR/impl-bounds-checking.rs:10:6
|
-LL | trait Getter<T: Clone2> {
- | ------ required by this bound in `Getter`
-...
LL | impl Getter<isize> for isize {
| ^^^^^^^^^^^^^ the trait `Clone2` is not implemented for `isize`
+ |
+note: required by a bound in `Getter`
+ --> $DIR/impl-bounds-checking.rs:6:17
+ |
+LL | trait Getter<T: Clone2> {
+ | ^^^^^^ required by this bound in `Getter`
error: aborting due to previous error
diff --git a/src/test/ui/traits/inductive-overflow/lifetime.rs b/src/test/ui/traits/inductive-overflow/lifetime.rs
index b75da1b512dc2..072c46bc21e9a 100644
--- a/src/test/ui/traits/inductive-overflow/lifetime.rs
+++ b/src/test/ui/traits/inductive-overflow/lifetime.rs
@@ -21,7 +21,7 @@ impl<'a> NotAuto for C<'a> {}
fn is_send<S: NotAuto>() {}
//~^ NOTE: required
-
+//~| NOTE: required
fn main() {
// Should only be a few notes.
is_send::<X<C<'static>>>();
diff --git a/src/test/ui/traits/inductive-overflow/lifetime.stderr b/src/test/ui/traits/inductive-overflow/lifetime.stderr
index cc91393039536..2905deb940f3a 100644
--- a/src/test/ui/traits/inductive-overflow/lifetime.stderr
+++ b/src/test/ui/traits/inductive-overflow/lifetime.stderr
@@ -1,9 +1,6 @@
error[E0275]: overflow evaluating the requirement `Box<X<C<'_>>>: NotAuto`
--> $DIR/lifetime.rs:27:5
|
-LL | fn is_send<S: NotAuto>() {}
- | ------- required by this bound in `is_send`
-...
LL | is_send::<X<C<'static>>>();
| ^^^^^^^^^^^^^^^^^^^^^^^^
|
@@ -14,6 +11,11 @@ LL | impl<T: Y> NotAuto for X<T> where T::P: NotAuto {}
| ^^^^^^^ ^^^^
= note: 2 redundant requirements hidden
= note: required because of the requirements on the impl of `NotAuto` for `X<C<'static>>`
+note: required by a bound in `is_send`
+ --> $DIR/lifetime.rs:22:15
+ |
+LL | fn is_send<S: NotAuto>() {}
+ | ^^^^^^^ required by this bound in `is_send`
error: aborting due to previous error
diff --git a/src/test/ui/traits/inductive-overflow/simultaneous.stderr b/src/test/ui/traits/inductive-overflow/simultaneous.stderr
index 94a255fcb84de..7eb1c9ffb3b49 100644
--- a/src/test/ui/traits/inductive-overflow/simultaneous.stderr
+++ b/src/test/ui/traits/inductive-overflow/simultaneous.stderr
@@ -1,9 +1,6 @@
error[E0275]: overflow evaluating the requirement `{integer}: Tweedledee`
--> $DIR/simultaneous.rs:18:5
|
-LL | fn is_ee<T: Combo>(t: T) {
- | ----- required by this bound in `is_ee`
-...
LL | is_ee(4);
| ^^^^^
|
@@ -12,6 +9,11 @@ note: required because of the requirements on the impl of `Combo` for `{integer}
|
LL | impl<T: Tweedledee + Tweedledum> Combo for T {}
| ^^^^^ ^
+note: required by a bound in `is_ee`
+ --> $DIR/simultaneous.rs:13:13
+ |
+LL | fn is_ee<T: Combo>(t: T) {
+ | ^^^^^ required by this bound in `is_ee`
error: aborting due to previous error
diff --git a/src/test/ui/traits/inductive-overflow/supertrait-auto-trait.stderr b/src/test/ui/traits/inductive-overflow/supertrait-auto-trait.stderr
index 6a0f7398cf139..5206b5721063a 100644
--- a/src/test/ui/traits/inductive-overflow/supertrait-auto-trait.stderr
+++ b/src/test/ui/traits/inductive-overflow/supertrait-auto-trait.stderr
@@ -9,13 +9,15 @@ LL | auto trait Magic: Copy {}
error[E0277]: the trait bound `NoClone: Copy` is not satisfied
--> $DIR/supertrait-auto-trait.rs:16:23
|
-LL | fn copy<T: Magic>(x: T) -> (T, T) { (x, x) }
- | ----- required by this bound in `copy`
-...
LL | let (a, b) = copy(NoClone);
| ^^^^^^^ the trait `Copy` is not implemented for `NoClone`
|
= note: required because of the requirements on the impl of `Magic` for `NoClone`
+note: required by a bound in `copy`
+ --> $DIR/supertrait-auto-trait.rs:10:12
+ |
+LL | fn copy<T: Magic>(x: T) -> (T, T) { (x, x) }
+ | ^^^^^ required by this bound in `copy`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/traits/inductive-overflow/supertrait.stderr b/src/test/ui/traits/inductive-overflow/supertrait.stderr
index 5ed1c2cc2da6f..95325a534f551 100644
--- a/src/test/ui/traits/inductive-overflow/supertrait.stderr
+++ b/src/test/ui/traits/inductive-overflow/supertrait.stderr
@@ -1,9 +1,6 @@
error[E0275]: overflow evaluating the requirement `NoClone: Magic`
--> $DIR/supertrait.rs:13:18
|
-LL | fn copy<T: Magic>(x: T) -> (T, T) { (x, x) }
- | ----- required by this bound in `copy`
-...
LL | let (a, b) = copy(NoClone);
| ^^^^
|
@@ -12,6 +9,11 @@ note: required because of the requirements on the impl of `Magic` for `NoClone`
|
LL | impl<T: Magic> Magic for T {}
| ^^^^^ ^
+note: required by a bound in `copy`
+ --> $DIR/supertrait.rs:7:12
+ |
+LL | fn copy<T: Magic>(x: T) -> (T, T) { (x, x) }
+ | ^^^^^ required by this bound in `copy`
error: aborting due to previous error
diff --git a/src/test/ui/traits/inductive-overflow/two-traits.stderr b/src/test/ui/traits/inductive-overflow/two-traits.stderr
index bf2acd350aef9..28610c9418147 100644
--- a/src/test/ui/traits/inductive-overflow/two-traits.stderr
+++ b/src/test/ui/traits/inductive-overflow/two-traits.stderr
@@ -1,12 +1,14 @@
error[E0277]: `T` cannot be shared between threads safely
--> $DIR/two-traits.rs:11:5
|
-LL | type X: Trait;
- | ----- required by this bound in `Magic::X`
-...
LL | type X = Self;
| ^^^^^^^^^^^^^^ `T` cannot be shared between threads safely
|
+note: required by a bound in `Magic::X`
+ --> $DIR/two-traits.rs:8:13
+ |
+LL | type X: Trait;
+ | ^^^^^ required by this bound in `Magic::X`
help: consider further restricting this bound
|
LL | impl<T: Magic + std::marker::Sync> Magic for T {
@@ -15,11 +17,14 @@ LL | impl<T: Magic + std::marker::Sync> Magic for T {
error[E0275]: overflow evaluating the requirement `*mut (): Magic`
--> $DIR/two-traits.rs:20:5
|
-LL | fn wizard<T: Magic>() { check::<<T as Magic>::X>(); }
- | ----- required by this bound in `wizard`
-...
LL | wizard::<*mut ()>();
| ^^^^^^^^^^^^^^^^^
+ |
+note: required by a bound in `wizard`
+ --> $DIR/two-traits.rs:17:14
+ |
+LL | fn wizard<T: Magic>() { check::<<T as Magic>::X>(); }
+ | ^^^^^ required by this bound in `wizard`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/traits/issue-65673.stderr b/src/test/ui/traits/issue-65673.stderr
index 64cc0bab3f33c..fba24d683a631 100644
--- a/src/test/ui/traits/issue-65673.stderr
+++ b/src/test/ui/traits/issue-65673.stderr
@@ -1,13 +1,15 @@
error[E0277]: the size for values of type `(dyn Trait + 'static)` cannot be known at compilation time
--> $DIR/issue-65673.rs:9:5
|
-LL | type Ctx;
- | --------- required by this bound in `WithType::Ctx`
-...
LL | type Ctx = dyn Alias<T>;
| ^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `(dyn Trait + 'static)`
+note: required by a bound in `WithType::Ctx`
+ --> $DIR/issue-65673.rs:4:5
+ |
+LL | type Ctx;
+ | ^^^^^^^^^ required by this bound in `WithType::Ctx`
error: aborting due to previous error
diff --git a/src/test/ui/traits/issue-85735.stderr b/src/test/ui/traits/issue-85735.stderr
index 7b3d7f868cd61..7d7f6ea30ae31 100644
--- a/src/test/ui/traits/issue-85735.stderr
+++ b/src/test/ui/traits/issue-85735.stderr
@@ -4,12 +4,12 @@ error[E0283]: type annotations needed
LL | T: FnMut(&'a ()),
| ^^^^^^^^^^^^^ cannot infer type for type parameter `T`
|
- ::: $SRC_DIR/core/src/ops/function.rs:LL:COL
+ = note: cannot satisfy `T: FnMut<(&'a (),)>`
+note: required by a bound in `FnMut`
+ --> $SRC_DIR/core/src/ops/function.rs:LL:COL
|
LL | pub trait FnMut<Args>: FnOnce<Args> {
- | ----------------------------------- required by this bound in `FnMut`
- |
- = note: cannot satisfy `T: FnMut<(&'a (),)>`
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `FnMut`
error: aborting due to previous error
diff --git a/src/test/ui/traits/mutual-recursion-issue-75860.stderr b/src/test/ui/traits/mutual-recursion-issue-75860.stderr
index 91c4136a752fb..d2ac3a836f622 100644
--- a/src/test/ui/traits/mutual-recursion-issue-75860.stderr
+++ b/src/test/ui/traits/mutual-recursion-issue-75860.stderr
@@ -4,12 +4,12 @@ error[E0275]: overflow evaluating the requirement `Option<_>: Sized`
LL | iso(left, right)
| ^^^
|
- ::: $SRC_DIR/core/src/option.rs:LL:COL
+ = help: consider adding a `#![recursion_limit="256"]` attribute to your crate (`mutual_recursion_issue_75860`)
+note: required by a bound in `Option`
+ --> $SRC_DIR/core/src/option.rs:LL:COL
|
LL | pub enum Option<T> {
- | - required by this bound in `Option`
- |
- = help: consider adding a `#![recursion_limit="256"]` attribute to your crate (`mutual_recursion_issue_75860`)
+ | ^ required by this bound in `Option`
error: aborting due to previous error
diff --git a/src/test/ui/traits/negative-impls/negated-auto-traits-error.stderr b/src/test/ui/traits/negative-impls/negated-auto-traits-error.stderr
index cad298cf24733..ad95e06eb4e52 100644
--- a/src/test/ui/traits/negative-impls/negated-auto-traits-error.stderr
+++ b/src/test/ui/traits/negative-impls/negated-auto-traits-error.stderr
@@ -14,43 +14,46 @@ LL | struct Outer<T: Send>(T);
error[E0277]: `dummy::TestType` cannot be sent between threads safely
--> $DIR/negated-auto-traits-error.rs:23:5
|
-LL | struct Outer<T: Send>(T);
- | ---- required by this bound in `Outer`
-...
LL | Outer(TestType);
| ^^^^^^^^^^^^^^^ `dummy::TestType` cannot be sent between threads safely
|
= help: the trait `Send` is not implemented for `dummy::TestType`
+note: required by a bound in `Outer`
+ --> $DIR/negated-auto-traits-error.rs:10:17
+ |
+LL | struct Outer<T: Send>(T);
+ | ^^^^ required by this bound in `Outer`
error[E0277]: `dummy1b::TestType` cannot be sent between threads safely
--> $DIR/negated-auto-traits-error.rs:32:13
|
-LL | fn is_send<T: Send>(_: T) {}
- | ---- required by this bound in `is_send`
-...
LL | is_send(TestType);
| ^^^^^^^^ `dummy1b::TestType` cannot be sent between threads safely
|
= help: the trait `Send` is not implemented for `dummy1b::TestType`
+note: required by a bound in `is_send`
+ --> $DIR/negated-auto-traits-error.rs:16:15
+ |
+LL | fn is_send<T: Send>(_: T) {}
+ | ^^^^ required by this bound in `is_send`
error[E0277]: `dummy1c::TestType` cannot be sent between threads safely
--> $DIR/negated-auto-traits-error.rs:40:13
|
-LL | fn is_send<T: Send>(_: T) {}
- | ---- required by this bound in `is_send`
-...
LL | is_send((8, TestType));
| ^^^^^^^^^^^^^ `dummy1c::TestType` cannot be sent between threads safely
|
= help: within `({integer}, dummy1c::TestType)`, the trait `Send` is not implemented for `dummy1c::TestType`
= note: required because it appears within the type `({integer}, dummy1c::TestType)`
+note: required by a bound in `is_send`
+ --> $DIR/negated-auto-traits-error.rs:16:15
+ |
+LL | fn is_send<T: Send>(_: T) {}
+ | ^^^^ required by this bound in `is_send`
error[E0277]: `dummy2::TestType` cannot be sent between threads safely
--> $DIR/negated-auto-traits-error.rs:48:13
|
-LL | fn is_send<T: Send>(_: T) {}
- | ---- required by this bound in `is_send`
-...
LL | is_send(Box::new(TestType));
| ^^^^^^^^^^^^^^^^^^
| |
@@ -60,13 +63,15 @@ LL | is_send(Box::new(TestType));
= note: the trait bound `dummy2::TestType: Send` is not satisfied
= note: required because of the requirements on the impl of `Send` for `Unique<dummy2::TestType>`
= note: required because it appears within the type `Box<dummy2::TestType>`
+note: required by a bound in `is_send`
+ --> $DIR/negated-auto-traits-error.rs:16:15
+ |
+LL | fn is_send<T: Send>(_: T) {}
+ | ^^^^ required by this bound in `is_send`
error[E0277]: `dummy3::TestType` cannot be sent between threads safely
--> $DIR/negated-auto-traits-error.rs:56:13
|
-LL | fn is_send<T: Send>(_: T) {}
- | ---- required by this bound in `is_send`
-...
LL | is_send(Box::new(Outer2(TestType)));
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ `dummy3::TestType` cannot be sent between threads safely
|
@@ -78,13 +83,15 @@ LL | struct Outer2<T>(T);
| ^^^^^^
= note: required because of the requirements on the impl of `Send` for `Unique<Outer2<dummy3::TestType>>`
= note: required because it appears within the type `Box<Outer2<dummy3::TestType>>`
+note: required by a bound in `is_send`
+ --> $DIR/negated-auto-traits-error.rs:16:15
+ |
+LL | fn is_send<T: Send>(_: T) {}
+ | ^^^^ required by this bound in `is_send`
error[E0277]: `main::TestType` cannot be sent between threads safely
--> $DIR/negated-auto-traits-error.rs:66:13
|
-LL | fn is_sync<T: Sync>(_: T) {}
- | ---- required by this bound in `is_sync`
-...
LL | is_sync(Outer2(TestType));
| ^^^^^^^^^^^^^^^^
| |
@@ -97,6 +104,11 @@ note: required because of the requirements on the impl of `Sync` for `Outer2<mai
|
LL | unsafe impl<T: Send> Sync for Outer2<T> {}
| ^^^^ ^^^^^^^^^
+note: required by a bound in `is_sync`
+ --> $DIR/negated-auto-traits-error.rs:17:15
+ |
+LL | fn is_sync<T: Sync>(_: T) {}
+ | ^^^^ required by this bound in `is_sync`
error: aborting due to 7 previous errors
diff --git a/src/test/ui/traits/suggest-deferences/issue-39029.stderr b/src/test/ui/traits/suggest-deferences/issue-39029.stderr
index d1778a284dad8..10eeec20d98d7 100644
--- a/src/test/ui/traits/suggest-deferences/issue-39029.stderr
+++ b/src/test/ui/traits/suggest-deferences/issue-39029.stderr
@@ -7,12 +7,12 @@ LL | let _errors = TcpListener::bind(&bad);
| the trait `ToSocketAddrs` is not implemented for `NoToSocketAddrs`
| help: consider adding dereference here: `&*bad`
|
- ::: $SRC_DIR/std/src/net/tcp.rs:LL:COL
+ = note: required because of the requirements on the impl of `ToSocketAddrs` for `&NoToSocketAddrs`
+note: required by a bound in `TcpListener::bind`
+ --> $SRC_DIR/std/src/net/tcp.rs:LL:COL
|
LL | pub fn bind<A: ToSocketAddrs>(addr: A) -> io::Result<TcpListener> {
- | ------------- required by this bound in `TcpListener::bind`
- |
- = note: required because of the requirements on the impl of `ToSocketAddrs` for `&NoToSocketAddrs`
+ | ^^^^^^^^^^^^^ required by this bound in `TcpListener::bind`
error: aborting due to previous error
diff --git a/src/test/ui/traits/suggest-deferences/issue-62530.stderr b/src/test/ui/traits/suggest-deferences/issue-62530.stderr
index 4f1165b17c53c..750c8a86c56dd 100644
--- a/src/test/ui/traits/suggest-deferences/issue-62530.stderr
+++ b/src/test/ui/traits/suggest-deferences/issue-62530.stderr
@@ -1,14 +1,17 @@
error[E0277]: the trait bound `&String: SomeTrait` is not satisfied
--> $DIR/issue-62530.rs:13:26
|
-LL | fn takes_type_parameter<T>(_x: T) where T: SomeTrait {}
- | --------- required by this bound in `takes_type_parameter`
-...
LL | takes_type_parameter(&string); // Error
| ^^^^^^^
| |
| the trait `SomeTrait` is not implemented for `&String`
| help: consider adding dereference here: `&*string`
+ |
+note: required by a bound in `takes_type_parameter`
+ --> $DIR/issue-62530.rs:4:44
+ |
+LL | fn takes_type_parameter<T>(_x: T) where T: SomeTrait {}
+ | ^^^^^^^^^ required by this bound in `takes_type_parameter`
error: aborting due to previous error
diff --git a/src/test/ui/traits/suggest-deferences/multiple-0.stderr b/src/test/ui/traits/suggest-deferences/multiple-0.stderr
index f76c73cbb6354..6fcf8780d6e22 100644
--- a/src/test/ui/traits/suggest-deferences/multiple-0.stderr
+++ b/src/test/ui/traits/suggest-deferences/multiple-0.stderr
@@ -1,14 +1,17 @@
error[E0277]: the trait bound `&Baz: Happy` is not satisfied
--> $DIR/multiple-0.rs:34:9
|
-LL | fn foo<T>(_: T) where T: Happy {}
- | ----- required by this bound in `foo`
-...
LL | foo(&baz);
| ^^^^
| |
| the trait `Happy` is not implemented for `&Baz`
| help: consider adding dereference here: `&***baz`
+ |
+note: required by a bound in `foo`
+ --> $DIR/multiple-0.rs:30:26
+ |
+LL | fn foo<T>(_: T) where T: Happy {}
+ | ^^^^^ required by this bound in `foo`
error: aborting due to previous error
diff --git a/src/test/ui/traits/suggest-deferences/multiple-1.stderr b/src/test/ui/traits/suggest-deferences/multiple-1.stderr
index f98cc54227f68..268f375050a4c 100644
--- a/src/test/ui/traits/suggest-deferences/multiple-1.stderr
+++ b/src/test/ui/traits/suggest-deferences/multiple-1.stderr
@@ -1,11 +1,14 @@
error[E0277]: the trait bound `&mut Baz: Happy` is not satisfied
--> $DIR/multiple-1.rs:52:9
|
-LL | fn foo<T>(_: T) where T: Happy {}
- | ----- required by this bound in `foo`
-...
LL | foo(&mut baz);
| ^^^^^^^^ the trait `Happy` is not implemented for `&mut Baz`
+ |
+note: required by a bound in `foo`
+ --> $DIR/multiple-1.rs:45:26
+ |
+LL | fn foo<T>(_: T) where T: Happy {}
+ | ^^^^^ required by this bound in `foo`
error: aborting due to previous error
diff --git a/src/test/ui/traits/suggest-where-clause.stderr b/src/test/ui/traits/suggest-where-clause.stderr
index a6b0837e7d4ed..d955cb06a1d50 100644
--- a/src/test/ui/traits/suggest-where-clause.stderr
+++ b/src/test/ui/traits/suggest-where-clause.stderr
@@ -7,11 +7,11 @@ LL | // suggest a where-clause, if needed
LL | mem::size_of::<U>();
| ^ doesn't have a size known at compile-time
|
- ::: $SRC_DIR/core/src/mem/mod.rs:LL:COL
+note: required by a bound in `std::mem::size_of`
+ --> $SRC_DIR/core/src/mem/mod.rs:LL:COL
|
LL | pub const fn size_of<T>() -> usize {
- | - required by this bound in `std::mem::size_of`
- |
+ | ^ required by this bound in `std::mem::size_of`
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
LL - fn check<T: Iterator, U: ?Sized>() {
@@ -27,16 +27,16 @@ LL | fn check<T: Iterator, U: ?Sized>() {
LL | mem::size_of::<Misc<U>>();
| ^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
|
- ::: $SRC_DIR/core/src/mem/mod.rs:LL:COL
- |
-LL | pub const fn size_of<T>() -> usize {
- | - required by this bound in `std::mem::size_of`
- |
note: required because it appears within the type `Misc<U>`
--> $DIR/suggest-where-clause.rs:3:8
|
LL | struct Misc<T:?Sized>(T);
| ^^^^
+note: required by a bound in `std::mem::size_of`
+ --> $SRC_DIR/core/src/mem/mod.rs:LL:COL
+ |
+LL | pub const fn size_of<T>() -> usize {
+ | ^ required by this bound in `std::mem::size_of`
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
LL - fn check<T: Iterator, U: ?Sized>() {
@@ -93,12 +93,12 @@ error[E0277]: the size for values of type `[T]` cannot be known at compilation t
LL | mem::size_of::<[T]>();
| ^^^ doesn't have a size known at compile-time
|
- ::: $SRC_DIR/core/src/mem/mod.rs:LL:COL
+ = help: the trait `Sized` is not implemented for `[T]`
+note: required by a bound in `std::mem::size_of`
+ --> $SRC_DIR/core/src/mem/mod.rs:LL:COL
|
LL | pub const fn size_of<T>() -> usize {
- | - required by this bound in `std::mem::size_of`
- |
- = help: the trait `Sized` is not implemented for `[T]`
+ | ^ required by this bound in `std::mem::size_of`
error[E0277]: the size for values of type `[&U]` cannot be known at compilation time
--> $DIR/suggest-where-clause.rs:31:5
@@ -106,12 +106,12 @@ error[E0277]: the size for values of type `[&U]` cannot be known at compilation
LL | mem::size_of::<[&U]>();
| ^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
|
- ::: $SRC_DIR/core/src/mem/mod.rs:LL:COL
+ = help: the trait `Sized` is not implemented for `[&U]`
+note: required by a bound in `std::mem::size_of`
+ --> $SRC_DIR/core/src/mem/mod.rs:LL:COL
|
LL | pub const fn size_of<T>() -> usize {
- | - required by this bound in `std::mem::size_of`
- |
- = help: the trait `Sized` is not implemented for `[&U]`
+ | ^ required by this bound in `std::mem::size_of`
error: aborting due to 7 previous errors
diff --git a/src/test/ui/trivial-bounds/trivial-bounds-leak.stderr b/src/test/ui/trivial-bounds/trivial-bounds-leak.stderr
index 41a19bff8703b..97ef2dd37f791 100644
--- a/src/test/ui/trivial-bounds/trivial-bounds-leak.stderr
+++ b/src/test/ui/trivial-bounds/trivial-bounds-leak.stderr
@@ -37,9 +37,12 @@ error[E0277]: the trait bound `i32: Foo` is not satisfied
|
LL | generic_function(5i32);
| ^^^^ the trait `Foo` is not implemented for `i32`
-...
+ |
+note: required by a bound in `generic_function`
+ --> $DIR/trivial-bounds-leak.rs:29:24
+ |
LL | fn generic_function<T: Foo>(t: T) {}
- | --- required by this bound in `generic_function`
+ | ^^^ required by this bound in `generic_function`
error: aborting due to 4 previous errors
diff --git a/src/test/ui/try-trait/try-operator-on-main.stderr b/src/test/ui/try-trait/try-operator-on-main.stderr
index dd893cadff77a..d669124e9f112 100644
--- a/src/test/ui/try-trait/try-operator-on-main.stderr
+++ b/src/test/ui/try-trait/try-operator-on-main.stderr
@@ -58,9 +58,12 @@ error[E0277]: the trait bound `(): Try` is not satisfied
|
LL | try_trait_generic::<()>();
| ^^ the trait `Try` is not implemented for `()`
-...
+ |
+note: required by a bound in `try_trait_generic`
+ --> $DIR/try-operator-on-main.rs:17:25
+ |
LL | fn try_trait_generic<T: Try>() -> T {
- | --- required by this bound in `try_trait_generic`
+ | ^^^ required by this bound in `try_trait_generic`
error[E0277]: the `?` operator can only be applied to values that implement `Try`
--> $DIR/try-operator-on-main.rs:19:5
diff --git a/src/test/ui/type-alias-impl-trait/generic_underconstrained.stderr b/src/test/ui/type-alias-impl-trait/generic_underconstrained.stderr
index c2671f7ae605d..99eb884a0e8f2 100644
--- a/src/test/ui/type-alias-impl-trait/generic_underconstrained.stderr
+++ b/src/test/ui/type-alias-impl-trait/generic_underconstrained.stderr
@@ -7,12 +7,14 @@ LL | type Underconstrained<T: Trait> = impl 'static;
error[E0277]: the trait bound `T: Trait` is not satisfied
--> $DIR/generic_underconstrained.rs:10:31
|
-LL | type Underconstrained<T: Trait> = impl 'static;
- | ----- required by this bound in `Underconstrained`
-...
LL | fn underconstrain<T>(_: T) -> Underconstrained<T> {
| ^^^^^^^^^^^^^^^^^^^ the trait `Trait` is not implemented for `T`
|
+note: required by a bound in `Underconstrained`
+ --> $DIR/generic_underconstrained.rs:6:26
+ |
+LL | type Underconstrained<T: Trait> = impl 'static;
+ | ^^^^^ required by this bound in `Underconstrained`
help: consider restricting type parameter `T`
|
LL | fn underconstrain<T: Trait>(_: T) -> Underconstrained<T> {
diff --git a/src/test/ui/type-alias-impl-trait/generic_underconstrained2.stderr b/src/test/ui/type-alias-impl-trait/generic_underconstrained2.stderr
index 3213b26456dc4..1c1193705f99b 100644
--- a/src/test/ui/type-alias-impl-trait/generic_underconstrained2.stderr
+++ b/src/test/ui/type-alias-impl-trait/generic_underconstrained2.stderr
@@ -13,12 +13,14 @@ LL | type Underconstrained2<T: std::fmt::Debug> = impl 'static;
error[E0277]: `U` doesn't implement `Debug`
--> $DIR/generic_underconstrained2.rs:9:33
|
-LL | type Underconstrained<T: std::fmt::Debug> = impl 'static;
- | --------------- required by this bound in `Underconstrained`
-...
LL | fn underconstrained<U>(_: U) -> Underconstrained<U> {
| ^^^^^^^^^^^^^^^^^^^ `U` cannot be formatted using `{:?}` because it doesn't implement `Debug`
|
+note: required by a bound in `Underconstrained`
+ --> $DIR/generic_underconstrained2.rs:5:26
+ |
+LL | type Underconstrained<T: std::fmt::Debug> = impl 'static;
+ | ^^^^^^^^^^^^^^^ required by this bound in `Underconstrained`
help: consider restricting type parameter `U`
|
LL | fn underconstrained<U: std::fmt::Debug>(_: U) -> Underconstrained<U> {
@@ -27,12 +29,14 @@ LL | fn underconstrained<U: std::fmt::Debug>(_: U) -> Underconstrained<U> {
error[E0277]: `V` doesn't implement `Debug`
--> $DIR/generic_underconstrained2.rs:18:43
|
-LL | type Underconstrained2<T: std::fmt::Debug> = impl 'static;
- | --------------- required by this bound in `Underconstrained2`
-...
LL | fn underconstrained2<U, V>(_: U, _: V) -> Underconstrained2<V> {
| ^^^^^^^^^^^^^^^^^^^^ `V` cannot be formatted using `{:?}` because it doesn't implement `Debug`
|
+note: required by a bound in `Underconstrained2`
+ --> $DIR/generic_underconstrained2.rs:14:27
+ |
+LL | type Underconstrained2<T: std::fmt::Debug> = impl 'static;
+ | ^^^^^^^^^^^^^^^ required by this bound in `Underconstrained2`
help: consider restricting type parameter `V`
|
LL | fn underconstrained2<U, V: std::fmt::Debug>(_: U, _: V) -> Underconstrained2<V> {
diff --git a/src/test/ui/type/type-annotation-needed.rs b/src/test/ui/type/type-annotation-needed.rs
index 553318ecac6e2..999486018a372 100644
--- a/src/test/ui/type/type-annotation-needed.rs
+++ b/src/test/ui/type/type-annotation-needed.rs
@@ -1,6 +1,6 @@
fn foo<T: Into<String>>(x: i32) {}
//~^ NOTE required by
-
+//~| NOTE required by
fn main() {
foo(42);
//~^ ERROR type annotations needed
diff --git a/src/test/ui/type/type-annotation-needed.stderr b/src/test/ui/type/type-annotation-needed.stderr
index 3052ff5490a9f..20cae3eb24c29 100644
--- a/src/test/ui/type/type-annotation-needed.stderr
+++ b/src/test/ui/type/type-annotation-needed.stderr
@@ -1,13 +1,15 @@
error[E0283]: type annotations needed
--> $DIR/type-annotation-needed.rs:5:5
|
-LL | fn foo<T: Into<String>>(x: i32) {}
- | ------------ required by this bound in `foo`
-...
LL | foo(42);
| ^^^ cannot infer type for type parameter `T` declared on the function `foo`
|
= note: cannot satisfy `_: Into<String>`
+note: required by a bound in `foo`
+ --> $DIR/type-annotation-needed.rs:1:11
+ |
+LL | fn foo<T: Into<String>>(x: i32) {}
+ | ^^^^^^^^^^^^ required by this bound in `foo`
help: consider specifying the type argument in the function call
|
LL | foo::<T>(42);
diff --git a/src/test/ui/type/type-check-defaults.stderr b/src/test/ui/type/type-check-defaults.stderr
index 6a2f4beb98aac..f8dbd66c1c7ac 100644
--- a/src/test/ui/type/type-check-defaults.stderr
+++ b/src/test/ui/type/type-check-defaults.stderr
@@ -1,23 +1,28 @@
error[E0277]: a value of type `i32` cannot be built from an iterator over elements of type `i32`
--> $DIR/type-check-defaults.rs:6:19
|
-LL | struct Foo<T, U: FromIterator<T>>(T, U);
- | --------------- required by this bound in `Foo`
LL | struct WellFormed<Z = Foo<i32, i32>>(Z);
| ^ value of type `i32` cannot be built from `std::iter::Iterator<Item=i32>`
|
= help: the trait `FromIterator<i32>` is not implemented for `i32`
+note: required by a bound in `Foo`
+ --> $DIR/type-check-defaults.rs:5:18
+ |
+LL | struct Foo<T, U: FromIterator<T>>(T, U);
+ | ^^^^^^^^^^^^^^^ required by this bound in `Foo`
error[E0277]: a value of type `i32` cannot be built from an iterator over elements of type `i32`
--> $DIR/type-check-defaults.rs:8:27
|
-LL | struct Foo<T, U: FromIterator<T>>(T, U);
- | --------------- required by this bound in `Foo`
-...
LL | struct WellFormedNoBounds<Z:?Sized = Foo<i32, i32>>(Z);
| ^ value of type `i32` cannot be built from `std::iter::Iterator<Item=i32>`
|
= help: the trait `FromIterator<i32>` is not implemented for `i32`
+note: required by a bound in `Foo`
+ --> $DIR/type-check-defaults.rs:5:18
+ |
+LL | struct Foo<T, U: FromIterator<T>>(T, U);
+ | ^^^^^^^^^^^^^^^ required by this bound in `Foo`
error[E0277]: the trait bound `String: Copy` is not satisfied
--> $DIR/type-check-defaults.rs:11:17
@@ -58,11 +63,14 @@ LL | trait TraitBound<T:Copy=String> {}
error[E0277]: the trait bound `T: Copy` is not satisfied
--> $DIR/type-check-defaults.rs:21:25
|
-LL | trait Super<T: Copy> { }
- | ---- required by this bound in `Super`
LL | trait Base<T = String>: Super<T> { }
| ^^^^^^^^ the trait `Copy` is not implemented for `T`
|
+note: required by a bound in `Super`
+ --> $DIR/type-check-defaults.rs:20:16
+ |
+LL | trait Super<T: Copy> { }
+ | ^^^^ required by this bound in `Super`
help: consider further restricting type parameter `T`
|
LL | trait Base<T = String>: Super<T> where T: std::marker::Copy { }
diff --git a/src/test/ui/type/type-check/issue-40294.stderr b/src/test/ui/type/type-check/issue-40294.stderr
index ea7771a9c2270..9ca07eaba838a 100644
--- a/src/test/ui/type/type-check/issue-40294.stderr
+++ b/src/test/ui/type/type-check/issue-40294.stderr
@@ -1,13 +1,15 @@
error[E0283]: type annotations needed
--> $DIR/issue-40294.rs:6:19
|
-LL | trait Foo: Sized {
- | ---------------- required by this bound in `Foo`
-...
LL | where &'a T : Foo,
| ^^^ cannot infer type for reference `&'a T`
|
= note: cannot satisfy `&'a T: Foo`
+note: required by a bound in `Foo`
+ --> $DIR/issue-40294.rs:1:1
+ |
+LL | trait Foo: Sized {
+ | ^^^^^^^^^^^^^^^^ required by this bound in `Foo`
error: aborting due to previous error
diff --git a/src/test/ui/typeck/typeck-default-trait-impl-assoc-type.stderr b/src/test/ui/typeck/typeck-default-trait-impl-assoc-type.stderr
index 11c2fbbcda267..7aefa0646114c 100644
--- a/src/test/ui/typeck/typeck-default-trait-impl-assoc-type.stderr
+++ b/src/test/ui/typeck/typeck-default-trait-impl-assoc-type.stderr
@@ -3,11 +3,13 @@ error[E0277]: `<T as Trait>::AssocType` cannot be sent between threads safely
|
LL | is_send::<T::AssocType>();
| ^^^^^^^^^^^^^^^^^^^^^^^ `<T as Trait>::AssocType` cannot be sent between threads safely
-...
-LL | fn is_send<T:Send>() {
- | ---- required by this bound in `is_send`
|
= help: the trait `Send` is not implemented for `<T as Trait>::AssocType`
+note: required by a bound in `is_send`
+ --> $DIR/typeck-default-trait-impl-assoc-type.rs:14:14
+ |
+LL | fn is_send<T:Send>() {
+ | ^^^^ required by this bound in `is_send`
help: consider further restricting the associated type
|
LL | fn bar<T:Trait+Send>() where <T as Trait>::AssocType: Send {
diff --git a/src/test/ui/typeck/typeck-default-trait-impl-negation-send.stderr b/src/test/ui/typeck/typeck-default-trait-impl-negation-send.stderr
index e164bb01f70d7..2ce32990e55db 100644
--- a/src/test/ui/typeck/typeck-default-trait-impl-negation-send.stderr
+++ b/src/test/ui/typeck/typeck-default-trait-impl-negation-send.stderr
@@ -1,13 +1,15 @@
error[E0277]: `MyNotSendable` cannot be sent between threads safely
--> $DIR/typeck-default-trait-impl-negation-send.rs:19:15
|
-LL | fn is_send<T: Send>() {}
- | ---- required by this bound in `is_send`
-...
LL | is_send::<MyNotSendable>();
| ^^^^^^^^^^^^^ `MyNotSendable` cannot be sent between threads safely
|
= help: the trait `Send` is not implemented for `MyNotSendable`
+note: required by a bound in `is_send`
+ --> $DIR/typeck-default-trait-impl-negation-send.rs:15:15
+ |
+LL | fn is_send<T: Send>() {}
+ | ^^^^ required by this bound in `is_send`
error: aborting due to previous error
diff --git a/src/test/ui/typeck/typeck-default-trait-impl-negation-sync.stderr b/src/test/ui/typeck/typeck-default-trait-impl-negation-sync.stderr
index a9b49ee32630b..6bb5e1f54272b 100644
--- a/src/test/ui/typeck/typeck-default-trait-impl-negation-sync.stderr
+++ b/src/test/ui/typeck/typeck-default-trait-impl-negation-sync.stderr
@@ -1,20 +1,19 @@
error[E0277]: `MyNotSync` cannot be shared between threads safely
--> $DIR/typeck-default-trait-impl-negation-sync.rs:33:15
|
-LL | fn is_sync<T: Sync>() {}
- | ---- required by this bound in `is_sync`
-...
LL | is_sync::<MyNotSync>();
| ^^^^^^^^^ `MyNotSync` cannot be shared between threads safely
|
= help: the trait `Sync` is not implemented for `MyNotSync`
+note: required by a bound in `is_sync`
+ --> $DIR/typeck-default-trait-impl-negation-sync.rs:29:15
+ |
+LL | fn is_sync<T: Sync>() {}
+ | ^^^^ required by this bound in `is_sync`
error[E0277]: `UnsafeCell<u8>` cannot be shared between threads safely
--> $DIR/typeck-default-trait-impl-negation-sync.rs:36:5
|
-LL | fn is_sync<T: Sync>() {}
- | ---- required by this bound in `is_sync`
-...
LL | is_sync::<MyTypeWUnsafe>();
| ^^^^^^^^^^^^^^^^^^^^^^^^ `UnsafeCell<u8>` cannot be shared between threads safely
|
@@ -24,13 +23,15 @@ note: required because it appears within the type `MyTypeWUnsafe`
|
LL | struct MyTypeWUnsafe {
| ^^^^^^^^^^^^^
+note: required by a bound in `is_sync`
+ --> $DIR/typeck-default-trait-impl-negation-sync.rs:29:15
+ |
+LL | fn is_sync<T: Sync>() {}
+ | ^^^^ required by this bound in `is_sync`
error[E0277]: `Managed` cannot be shared between threads safely
--> $DIR/typeck-default-trait-impl-negation-sync.rs:39:5
|
-LL | fn is_sync<T: Sync>() {}
- | ---- required by this bound in `is_sync`
-...
LL | is_sync::<MyTypeManaged>();
| ^^^^^^^^^^^^^^^^^^^^^^^^ `Managed` cannot be shared between threads safely
|
@@ -40,6 +41,11 @@ note: required because it appears within the type `MyTypeManaged`
|
LL | struct MyTypeManaged {
| ^^^^^^^^^^^^^
+note: required by a bound in `is_sync`
+ --> $DIR/typeck-default-trait-impl-negation-sync.rs:29:15
+ |
+LL | fn is_sync<T: Sync>() {}
+ | ^^^^ required by this bound in `is_sync`
error: aborting due to 3 previous errors
diff --git a/src/test/ui/typeck/typeck-default-trait-impl-send-param.stderr b/src/test/ui/typeck/typeck-default-trait-impl-send-param.stderr
index b73ed49ce6557..887a1ddbb6924 100644
--- a/src/test/ui/typeck/typeck-default-trait-impl-send-param.stderr
+++ b/src/test/ui/typeck/typeck-default-trait-impl-send-param.stderr
@@ -3,10 +3,12 @@ error[E0277]: `T` cannot be sent between threads safely
|
LL | is_send::<T>()
| ^ `T` cannot be sent between threads safely
-...
-LL | fn is_send<T:Send>() {
- | ---- required by this bound in `is_send`
|
+note: required by a bound in `is_send`
+ --> $DIR/typeck-default-trait-impl-send-param.rs:8:14
+ |
+LL | fn is_send<T:Send>() {
+ | ^^^^ required by this bound in `is_send`
help: consider restricting type parameter `T`
|
LL | fn foo<T: std::marker::Send>() {
diff --git a/src/test/ui/typeck/typeck-unsafe-always-share.stderr b/src/test/ui/typeck/typeck-unsafe-always-share.stderr
index 91585e78d4b93..c0f388bd15b28 100644
--- a/src/test/ui/typeck/typeck-unsafe-always-share.stderr
+++ b/src/test/ui/typeck/typeck-unsafe-always-share.stderr
@@ -1,31 +1,32 @@
error[E0277]: `UnsafeCell<MySync<{integer}>>` cannot be shared between threads safely
--> $DIR/typeck-unsafe-always-share.rs:19:10
|
-LL | fn test<T: Sync>(s: T) {}
- | ---- required by this bound in `test`
-...
LL | test(us);
| ^^ `UnsafeCell<MySync<{integer}>>` cannot be shared between threads safely
|
= help: the trait `Sync` is not implemented for `UnsafeCell<MySync<{integer}>>`
+note: required by a bound in `test`
+ --> $DIR/typeck-unsafe-always-share.rs:15:12
+ |
+LL | fn test<T: Sync>(s: T) {}
+ | ^^^^ required by this bound in `test`
error[E0277]: `UnsafeCell<NoSync>` cannot be shared between threads safely
--> $DIR/typeck-unsafe-always-share.rs:23:10
|
-LL | fn test<T: Sync>(s: T) {}
- | ---- required by this bound in `test`
-...
LL | test(uns);
| ^^^ `UnsafeCell<NoSync>` cannot be shared between threads safely
|
= help: the trait `Sync` is not implemented for `UnsafeCell<NoSync>`
+note: required by a bound in `test`
+ --> $DIR/typeck-unsafe-always-share.rs:15:12
+ |
+LL | fn test<T: Sync>(s: T) {}
+ | ^^^^ required by this bound in `test`
error[E0277]: `UnsafeCell<NoSync>` cannot be shared between threads safely
--> $DIR/typeck-unsafe-always-share.rs:27:5
|
-LL | fn test<T: Sync>(s: T) {}
- | ---- required by this bound in `test`
-...
LL | test(ms);
| ^^^^ `UnsafeCell<NoSync>` cannot be shared between threads safely
|
@@ -35,17 +36,24 @@ note: required because it appears within the type `MySync<NoSync>`
|
LL | struct MySync<T> {
| ^^^^^^
+note: required by a bound in `test`
+ --> $DIR/typeck-unsafe-always-share.rs:15:12
+ |
+LL | fn test<T: Sync>(s: T) {}
+ | ^^^^ required by this bound in `test`
error[E0277]: `NoSync` cannot be shared between threads safely
--> $DIR/typeck-unsafe-always-share.rs:30:10
|
-LL | fn test<T: Sync>(s: T) {}
- | ---- required by this bound in `test`
-...
LL | test(NoSync);
| ^^^^^^ `NoSync` cannot be shared between threads safely
|
= help: the trait `Sync` is not implemented for `NoSync`
+note: required by a bound in `test`
+ --> $DIR/typeck-unsafe-always-share.rs:15:12
+ |
+LL | fn test<T: Sync>(s: T) {}
+ | ^^^^ required by this bound in `test`
error: aborting due to 4 previous errors
diff --git a/src/test/ui/unboxed-closures/unboxed-closure-sugar-default.stderr b/src/test/ui/unboxed-closures/unboxed-closure-sugar-default.stderr
index 908d854385157..09d3eec6b2148 100644
--- a/src/test/ui/unboxed-closures/unboxed-closure-sugar-default.stderr
+++ b/src/test/ui/unboxed-closures/unboxed-closure-sugar-default.stderr
@@ -1,11 +1,14 @@
error[E0277]: the trait bound `dyn Foo<(isize,), isize, Output = ()>: Eq<dyn Foo<(isize,), Output = ()>>` is not satisfied
--> $DIR/unboxed-closure-sugar-default.rs:21:5
|
-LL | fn eq<A: ?Sized,B: ?Sized>() where A : Eq<B> { }
- | ----- required by this bound in `eq`
-...
LL | eq::<dyn Foo<(isize,), isize, Output=()>, dyn Foo(isize)>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Eq<dyn Foo<(isize,), Output = ()>>` is not implemented for `dyn Foo<(isize,), isize, Output = ()>`
+ |
+note: required by a bound in `eq`
+ --> $DIR/unboxed-closure-sugar-default.rs:14:40
+ |
+LL | fn eq<A: ?Sized,B: ?Sized>() where A : Eq<B> { }
+ | ^^^^^ required by this bound in `eq`
error: aborting due to previous error
diff --git a/src/test/ui/unboxed-closures/unboxed-closure-sugar-equiv.stderr b/src/test/ui/unboxed-closures/unboxed-closure-sugar-equiv.stderr
index 8ce7e825a1ced..a1cbf842a683b 100644
--- a/src/test/ui/unboxed-closures/unboxed-closure-sugar-equiv.stderr
+++ b/src/test/ui/unboxed-closures/unboxed-closure-sugar-equiv.stderr
@@ -1,12 +1,15 @@
error[E0277]: the trait bound `dyn Foo<(char,), Output = ()>: Eq<dyn Foo<(), Output = ()>>` is not satisfied
--> $DIR/unboxed-closure-sugar-equiv.rs:43:5
|
-LL | fn eq<A: ?Sized,B: ?Sized +Eq<A>>() { }
- | ----- required by this bound in `eq`
-...
LL | / eq::< dyn Foo<(),Output=()>,
LL | | dyn Foo(char) >();
| |_______________________________________________________________________^ the trait `Eq<dyn Foo<(), Output = ()>>` is not implemented for `dyn Foo<(char,), Output = ()>`
+ |
+note: required by a bound in `eq`
+ --> $DIR/unboxed-closure-sugar-equiv.rs:16:28
+ |
+LL | fn eq<A: ?Sized,B: ?Sized +Eq<A>>() { }
+ | ^^^^^ required by this bound in `eq`
error: aborting due to previous error
diff --git a/src/test/ui/unboxed-closures/unboxed-closures-fnmut-as-fn.stderr b/src/test/ui/unboxed-closures/unboxed-closures-fnmut-as-fn.stderr
index df3563455b681..f30bf40983e23 100644
--- a/src/test/ui/unboxed-closures/unboxed-closures-fnmut-as-fn.stderr
+++ b/src/test/ui/unboxed-closures/unboxed-closures-fnmut-as-fn.stderr
@@ -1,13 +1,15 @@
error[E0277]: expected a `Fn<(isize,)>` closure, found `S`
--> $DIR/unboxed-closures-fnmut-as-fn.rs:28:21
|
-LL | fn call_it<F:Fn(isize)->isize>(f: &F, x: isize) -> isize {
- | ---------------- required by this bound in `call_it`
-...
LL | let x = call_it(&S, 22);
| ^^ expected an `Fn<(isize,)>` closure, found `S`
|
= help: the trait `Fn<(isize,)>` is not implemented for `S`
+note: required by a bound in `call_it`
+ --> $DIR/unboxed-closures-fnmut-as-fn.rs:23:14
+ |
+LL | fn call_it<F:Fn(isize)->isize>(f: &F, x: isize) -> isize {
+ | ^^^^^^^^^^^^^^^^ required by this bound in `call_it`
error: aborting due to previous error
diff --git a/src/test/ui/unboxed-closures/unboxed-closures-unsafe-extern-fn.stderr b/src/test/ui/unboxed-closures/unboxed-closures-unsafe-extern-fn.stderr
index d1f433e92d7fc..6b21b9246f7af 100644
--- a/src/test/ui/unboxed-closures/unboxed-closures-unsafe-extern-fn.stderr
+++ b/src/test/ui/unboxed-closures/unboxed-closures-unsafe-extern-fn.stderr
@@ -1,35 +1,41 @@
error[E0277]: expected a `Fn<(&isize,)>` closure, found `for<'r> unsafe fn(&'r isize) -> isize {square}`
--> $DIR/unboxed-closures-unsafe-extern-fn.rs:20:21
|
-LL | fn call_it<F: Fn(&isize) -> isize>(_: &F, _: isize) -> isize {
- | ------------------- required by this bound in `call_it`
-...
LL | let x = call_it(&square, 22);
| ^^^^^^^ expected an `Fn<(&isize,)>` closure, found `for<'r> unsafe fn(&'r isize) -> isize {square}`
|
= help: the trait `for<'r> Fn<(&'r isize,)>` is not implemented for `for<'r> unsafe fn(&'r isize) -> isize {square}`
+note: required by a bound in `call_it`
+ --> $DIR/unboxed-closures-unsafe-extern-fn.rs:9:15
+ |
+LL | fn call_it<F: Fn(&isize) -> isize>(_: &F, _: isize) -> isize {
+ | ^^^^^^^^^^^^^^^^^^^ required by this bound in `call_it`
error[E0277]: expected a `FnMut<(&isize,)>` closure, found `for<'r> unsafe fn(&'r isize) -> isize {square}`
--> $DIR/unboxed-closures-unsafe-extern-fn.rs:25:25
|
-LL | fn call_it_mut<F: FnMut(&isize) -> isize>(_: &mut F, _: isize) -> isize {
- | ---------------------- required by this bound in `call_it_mut`
-...
LL | let y = call_it_mut(&mut square, 22);
| ^^^^^^^^^^^ expected an `FnMut<(&isize,)>` closure, found `for<'r> unsafe fn(&'r isize) -> isize {square}`
|
= help: the trait `for<'r> FnMut<(&'r isize,)>` is not implemented for `for<'r> unsafe fn(&'r isize) -> isize {square}`
+note: required by a bound in `call_it_mut`
+ --> $DIR/unboxed-closures-unsafe-extern-fn.rs:12:19
+ |
+LL | fn call_it_mut<F: FnMut(&isize) -> isize>(_: &mut F, _: isize) -> isize {
+ | ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `call_it_mut`
error[E0277]: expected a `FnOnce<(&isize,)>` closure, found `for<'r> unsafe fn(&'r isize) -> isize {square}`
--> $DIR/unboxed-closures-unsafe-extern-fn.rs:30:26
|
-LL | fn call_it_once<F: FnOnce(&isize) -> isize>(_: F, _: isize) -> isize {
- | ----------------------- required by this bound in `call_it_once`
-...
LL | let z = call_it_once(square, 22);
| ^^^^^^ expected an `FnOnce<(&isize,)>` closure, found `for<'r> unsafe fn(&'r isize) -> isize {square}`
|
= help: the trait `for<'r> FnOnce<(&'r isize,)>` is not implemented for `for<'r> unsafe fn(&'r isize) -> isize {square}`
+note: required by a bound in `call_it_once`
+ --> $DIR/unboxed-closures-unsafe-extern-fn.rs:15:20
+ |
+LL | fn call_it_once<F: FnOnce(&isize) -> isize>(_: F, _: isize) -> isize {
+ | ^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `call_it_once`
error: aborting due to 3 previous errors
diff --git a/src/test/ui/unboxed-closures/unboxed-closures-wrong-abi.stderr b/src/test/ui/unboxed-closures/unboxed-closures-wrong-abi.stderr
index 05b532e983a1b..936cb27759aad 100644
--- a/src/test/ui/unboxed-closures/unboxed-closures-wrong-abi.stderr
+++ b/src/test/ui/unboxed-closures/unboxed-closures-wrong-abi.stderr
@@ -1,35 +1,41 @@
error[E0277]: expected a `Fn<(&isize,)>` closure, found `for<'r> extern "C" fn(&'r isize) -> isize {square}`
--> $DIR/unboxed-closures-wrong-abi.rs:20:21
|
-LL | fn call_it<F: Fn(&isize) -> isize>(_: &F, _: isize) -> isize {
- | ------------------- required by this bound in `call_it`
-...
LL | let x = call_it(&square, 22);
| ^^^^^^^ expected an `Fn<(&isize,)>` closure, found `for<'r> extern "C" fn(&'r isize) -> isize {square}`
|
= help: the trait `for<'r> Fn<(&'r isize,)>` is not implemented for `for<'r> extern "C" fn(&'r isize) -> isize {square}`
+note: required by a bound in `call_it`
+ --> $DIR/unboxed-closures-wrong-abi.rs:9:15
+ |
+LL | fn call_it<F: Fn(&isize) -> isize>(_: &F, _: isize) -> isize {
+ | ^^^^^^^^^^^^^^^^^^^ required by this bound in `call_it`
error[E0277]: expected a `FnMut<(&isize,)>` closure, found `for<'r> extern "C" fn(&'r isize) -> isize {square}`
--> $DIR/unboxed-closures-wrong-abi.rs:25:25
|
-LL | fn call_it_mut<F: FnMut(&isize) -> isize>(_: &mut F, _: isize) -> isize {
- | ---------------------- required by this bound in `call_it_mut`
-...
LL | let y = call_it_mut(&mut square, 22);
| ^^^^^^^^^^^ expected an `FnMut<(&isize,)>` closure, found `for<'r> extern "C" fn(&'r isize) -> isize {square}`
|
= help: the trait `for<'r> FnMut<(&'r isize,)>` is not implemented for `for<'r> extern "C" fn(&'r isize) -> isize {square}`
+note: required by a bound in `call_it_mut`
+ --> $DIR/unboxed-closures-wrong-abi.rs:12:19
+ |
+LL | fn call_it_mut<F: FnMut(&isize) -> isize>(_: &mut F, _: isize) -> isize {
+ | ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `call_it_mut`
error[E0277]: expected a `FnOnce<(&isize,)>` closure, found `for<'r> extern "C" fn(&'r isize) -> isize {square}`
--> $DIR/unboxed-closures-wrong-abi.rs:30:26
|
-LL | fn call_it_once<F: FnOnce(&isize) -> isize>(_: F, _: isize) -> isize {
- | ----------------------- required by this bound in `call_it_once`
-...
LL | let z = call_it_once(square, 22);
| ^^^^^^ expected an `FnOnce<(&isize,)>` closure, found `for<'r> extern "C" fn(&'r isize) -> isize {square}`
|
= help: the trait `for<'r> FnOnce<(&'r isize,)>` is not implemented for `for<'r> extern "C" fn(&'r isize) -> isize {square}`
+note: required by a bound in `call_it_once`
+ --> $DIR/unboxed-closures-wrong-abi.rs:15:20
+ |
+LL | fn call_it_once<F: FnOnce(&isize) -> isize>(_: F, _: isize) -> isize {
+ | ^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `call_it_once`
error: aborting due to 3 previous errors
diff --git a/src/test/ui/unboxed-closures/unboxed-closures-wrong-arg-type-extern-fn.stderr b/src/test/ui/unboxed-closures/unboxed-closures-wrong-arg-type-extern-fn.stderr
index 3b88b35d4ba05..f9f1182e30998 100644
--- a/src/test/ui/unboxed-closures/unboxed-closures-wrong-arg-type-extern-fn.stderr
+++ b/src/test/ui/unboxed-closures/unboxed-closures-wrong-arg-type-extern-fn.stderr
@@ -1,35 +1,41 @@
error[E0277]: expected a `Fn<(&isize,)>` closure, found `unsafe fn(isize) -> isize {square}`
--> $DIR/unboxed-closures-wrong-arg-type-extern-fn.rs:21:21
|
-LL | fn call_it<F: Fn(&isize) -> isize>(_: &F, _: isize) -> isize {
- | ------------------- required by this bound in `call_it`
-...
LL | let x = call_it(&square, 22);
| ^^^^^^^ expected an `Fn<(&isize,)>` closure, found `unsafe fn(isize) -> isize {square}`
|
= help: the trait `for<'r> Fn<(&'r isize,)>` is not implemented for `unsafe fn(isize) -> isize {square}`
+note: required by a bound in `call_it`
+ --> $DIR/unboxed-closures-wrong-arg-type-extern-fn.rs:10:15
+ |
+LL | fn call_it<F: Fn(&isize) -> isize>(_: &F, _: isize) -> isize {
+ | ^^^^^^^^^^^^^^^^^^^ required by this bound in `call_it`
error[E0277]: expected a `FnMut<(&isize,)>` closure, found `unsafe fn(isize) -> isize {square}`
--> $DIR/unboxed-closures-wrong-arg-type-extern-fn.rs:26:25
|
-LL | fn call_it_mut<F: FnMut(&isize) -> isize>(_: &mut F, _: isize) -> isize {
- | ---------------------- required by this bound in `call_it_mut`
-...
LL | let y = call_it_mut(&mut square, 22);
| ^^^^^^^^^^^ expected an `FnMut<(&isize,)>` closure, found `unsafe fn(isize) -> isize {square}`
|
= help: the trait `for<'r> FnMut<(&'r isize,)>` is not implemented for `unsafe fn(isize) -> isize {square}`
+note: required by a bound in `call_it_mut`
+ --> $DIR/unboxed-closures-wrong-arg-type-extern-fn.rs:13:19
+ |
+LL | fn call_it_mut<F: FnMut(&isize) -> isize>(_: &mut F, _: isize) -> isize {
+ | ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `call_it_mut`
error[E0277]: expected a `FnOnce<(&isize,)>` closure, found `unsafe fn(isize) -> isize {square}`
--> $DIR/unboxed-closures-wrong-arg-type-extern-fn.rs:31:26
|
-LL | fn call_it_once<F: FnOnce(&isize) -> isize>(_: F, _: isize) -> isize {
- | ----------------------- required by this bound in `call_it_once`
-...
LL | let z = call_it_once(square, 22);
| ^^^^^^ expected an `FnOnce<(&isize,)>` closure, found `unsafe fn(isize) -> isize {square}`
|
= help: the trait `for<'r> FnOnce<(&'r isize,)>` is not implemented for `unsafe fn(isize) -> isize {square}`
+note: required by a bound in `call_it_once`
+ --> $DIR/unboxed-closures-wrong-arg-type-extern-fn.rs:16:20
+ |
+LL | fn call_it_once<F: FnOnce(&isize) -> isize>(_: F, _: isize) -> isize {
+ | ^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `call_it_once`
error: aborting due to 3 previous errors
diff --git a/src/test/ui/union/union-derive-clone.mirunsafeck.stderr b/src/test/ui/union/union-derive-clone.mirunsafeck.stderr
index 9c4ee28a2adb4..414d2759a4798 100644
--- a/src/test/ui/union/union-derive-clone.mirunsafeck.stderr
+++ b/src/test/ui/union/union-derive-clone.mirunsafeck.stderr
@@ -4,11 +4,11 @@ error[E0277]: the trait bound `U1: Copy` is not satisfied
LL | #[derive(Clone)]
| ^^^^^ the trait `Copy` is not implemented for `U1`
|
- ::: $SRC_DIR/core/src/clone.rs:LL:COL
+note: required by a bound in `AssertParamIsCopy`
+ --> $SRC_DIR/core/src/clone.rs:LL:COL
|
LL | pub struct AssertParamIsCopy<T: Copy + ?Sized> {
- | ---- required by this bound in `AssertParamIsCopy`
- |
+ | ^^^^ required by this bound in `AssertParamIsCopy`
= note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0599]: the method `clone` exists for union `U5<CloneNoCopy>`, but its trait bounds were not satisfied
diff --git a/src/test/ui/union/union-derive-clone.thirunsafeck.stderr b/src/test/ui/union/union-derive-clone.thirunsafeck.stderr
index 9c4ee28a2adb4..414d2759a4798 100644
--- a/src/test/ui/union/union-derive-clone.thirunsafeck.stderr
+++ b/src/test/ui/union/union-derive-clone.thirunsafeck.stderr
@@ -4,11 +4,11 @@ error[E0277]: the trait bound `U1: Copy` is not satisfied
LL | #[derive(Clone)]
| ^^^^^ the trait `Copy` is not implemented for `U1`
|
- ::: $SRC_DIR/core/src/clone.rs:LL:COL
+note: required by a bound in `AssertParamIsCopy`
+ --> $SRC_DIR/core/src/clone.rs:LL:COL
|
LL | pub struct AssertParamIsCopy<T: Copy + ?Sized> {
- | ---- required by this bound in `AssertParamIsCopy`
- |
+ | ^^^^ required by this bound in `AssertParamIsCopy`
= note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0599]: the method `clone` exists for union `U5<CloneNoCopy>`, but its trait bounds were not satisfied
diff --git a/src/test/ui/union/union-derive-eq.mirunsafeck.stderr b/src/test/ui/union/union-derive-eq.mirunsafeck.stderr
index 1d768315d9f65..ff4dfcd291760 100644
--- a/src/test/ui/union/union-derive-eq.mirunsafeck.stderr
+++ b/src/test/ui/union/union-derive-eq.mirunsafeck.stderr
@@ -7,11 +7,11 @@ LL | union U2 {
LL | a: PartialEqNotEq,
| ^^^^^^^^^^^^^^^^^ the trait `Eq` is not implemented for `PartialEqNotEq`
|
- ::: $SRC_DIR/core/src/cmp.rs:LL:COL
+note: required by a bound in `AssertParamIsEq`
+ --> $SRC_DIR/core/src/cmp.rs:LL:COL
|
LL | pub struct AssertParamIsEq<T: Eq + ?Sized> {
- | -- required by this bound in `AssertParamIsEq`
- |
+ | ^^ required by this bound in `AssertParamIsEq`
= note: this error originates in the derive macro `Eq` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to previous error
diff --git a/src/test/ui/union/union-derive-eq.thirunsafeck.stderr b/src/test/ui/union/union-derive-eq.thirunsafeck.stderr
index 1d768315d9f65..ff4dfcd291760 100644
--- a/src/test/ui/union/union-derive-eq.thirunsafeck.stderr
+++ b/src/test/ui/union/union-derive-eq.thirunsafeck.stderr
@@ -7,11 +7,11 @@ LL | union U2 {
LL | a: PartialEqNotEq,
| ^^^^^^^^^^^^^^^^^ the trait `Eq` is not implemented for `PartialEqNotEq`
|
- ::: $SRC_DIR/core/src/cmp.rs:LL:COL
+note: required by a bound in `AssertParamIsEq`
+ --> $SRC_DIR/core/src/cmp.rs:LL:COL
|
LL | pub struct AssertParamIsEq<T: Eq + ?Sized> {
- | -- required by this bound in `AssertParamIsEq`
- |
+ | ^^ required by this bound in `AssertParamIsEq`
= note: this error originates in the derive macro `Eq` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to previous error
diff --git a/src/test/ui/unsized/issue-75707.stderr b/src/test/ui/unsized/issue-75707.stderr
index 6e557a25f955d..7d0a2cb85b612 100644
--- a/src/test/ui/unsized/issue-75707.stderr
+++ b/src/test/ui/unsized/issue-75707.stderr
@@ -1,11 +1,14 @@
error[E0277]: the trait bound `MyCall: Callback` is not satisfied
--> $DIR/issue-75707.rs:15:5
|
-LL | fn f<P: Processing + ?Sized>() {
- | ---------- required by this bound in `f`
-...
LL | f::<dyn Processing<Call = MyCall>>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Callback` is not implemented for `MyCall`
+ |
+note: required by a bound in `f`
+ --> $DIR/issue-75707.rs:9:9
+ |
+LL | fn f<P: Processing + ?Sized>() {
+ | ^^^^^^^^^^ required by this bound in `f`
error: aborting due to previous error
diff --git a/src/test/ui/unsized/unsized-bare-typaram.stderr b/src/test/ui/unsized/unsized-bare-typaram.stderr
index 9af9cd24481e7..531e9b4c9c955 100644
--- a/src/test/ui/unsized/unsized-bare-typaram.stderr
+++ b/src/test/ui/unsized/unsized-bare-typaram.stderr
@@ -1,13 +1,16 @@
error[E0277]: the size for values of type `T` cannot be known at compilation time
--> $DIR/unsized-bare-typaram.rs:2:29
|
-LL | fn bar<T: Sized>() { }
- | - required by this bound in `bar`
LL | fn foo<T: ?Sized>() { bar::<T>() }
| - ^ doesn't have a size known at compile-time
| |
| this type parameter needs to be `std::marker::Sized`
|
+note: required by a bound in `bar`
+ --> $DIR/unsized-bare-typaram.rs:1:8
+ |
+LL | fn bar<T: Sized>() { }
+ | ^ required by this bound in `bar`
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
LL - fn foo<T: ?Sized>() { bar::<T>() }
diff --git a/src/test/ui/unsized/unsized-enum.stderr b/src/test/ui/unsized/unsized-enum.stderr
index 88678307de21f..980dee87e58b4 100644
--- a/src/test/ui/unsized/unsized-enum.stderr
+++ b/src/test/ui/unsized/unsized-enum.stderr
@@ -1,14 +1,16 @@
error[E0277]: the size for values of type `T` cannot be known at compilation time
--> $DIR/unsized-enum.rs:6:36
|
-LL | enum Foo<U> { FooSome(U), FooNone }
- | - required by this bound in `Foo`
-LL | fn foo1<T>() { not_sized::<Foo<T>>() } // Hunky dory.
LL | fn foo2<T: ?Sized>() { not_sized::<Foo<T>>() }
| - ^^^^^^ doesn't have a size known at compile-time
| |
| this type parameter needs to be `std::marker::Sized`
|
+note: required by a bound in `Foo`
+ --> $DIR/unsized-enum.rs:4:10
+ |
+LL | enum Foo<U> { FooSome(U), FooNone }
+ | ^ required by this bound in `Foo`
help: you could relax the implicit `Sized` bound on `U` if it were used through indirection like `&U` or `Box<U>`
--> $DIR/unsized-enum.rs:4:10
|
diff --git a/src/test/ui/unsized/unsized-inherent-impl-self-type.stderr b/src/test/ui/unsized/unsized-inherent-impl-self-type.stderr
index 7cd8383c52cbb..1a3c7d788f0b8 100644
--- a/src/test/ui/unsized/unsized-inherent-impl-self-type.stderr
+++ b/src/test/ui/unsized/unsized-inherent-impl-self-type.stderr
@@ -1,14 +1,16 @@
error[E0277]: the size for values of type `X` cannot be known at compilation time
--> $DIR/unsized-inherent-impl-self-type.rs:7:17
|
-LL | struct S5<Y>(Y);
- | - required by this bound in `S5`
-LL |
LL | impl<X: ?Sized> S5<X> {
| - ^^^^^ doesn't have a size known at compile-time
| |
| this type parameter needs to be `std::marker::Sized`
|
+note: required by a bound in `S5`
+ --> $DIR/unsized-inherent-impl-self-type.rs:5:11
+ |
+LL | struct S5<Y>(Y);
+ | ^ required by this bound in `S5`
help: you could relax the implicit `Sized` bound on `Y` if it were used through indirection like `&Y` or `Box<Y>`
--> $DIR/unsized-inherent-impl-self-type.rs:5:11
|
diff --git a/src/test/ui/unsized/unsized-struct.stderr b/src/test/ui/unsized/unsized-struct.stderr
index fc2df2977ce2e..1c70a840c77dc 100644
--- a/src/test/ui/unsized/unsized-struct.stderr
+++ b/src/test/ui/unsized/unsized-struct.stderr
@@ -1,14 +1,16 @@
error[E0277]: the size for values of type `T` cannot be known at compilation time
--> $DIR/unsized-struct.rs:6:36
|
-LL | struct Foo<T> { data: T }
- | - required by this bound in `Foo`
-LL | fn foo1<T>() { not_sized::<Foo<T>>() } // Hunky dory.
LL | fn foo2<T: ?Sized>() { not_sized::<Foo<T>>() }
| - ^^^^^^ doesn't have a size known at compile-time
| |
| this type parameter needs to be `std::marker::Sized`
|
+note: required by a bound in `Foo`
+ --> $DIR/unsized-struct.rs:4:12
+ |
+LL | struct Foo<T> { data: T }
+ | ^ required by this bound in `Foo`
help: you could relax the implicit `Sized` bound on `T` if it were used through indirection like `&T` or `Box<T>`
--> $DIR/unsized-struct.rs:4:12
|
@@ -25,9 +27,6 @@ LL + fn foo2<T>() { not_sized::<Foo<T>>() }
error[E0277]: the size for values of type `T` cannot be known at compilation time
--> $DIR/unsized-struct.rs:13:24
|
-LL | fn is_sized<T:Sized>() { }
- | - required by this bound in `is_sized`
-...
LL | fn bar2<T: ?Sized>() { is_sized::<Bar<T>>() }
| - ^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
| |
@@ -38,6 +37,11 @@ note: required because it appears within the type `Bar<T>`
|
LL | struct Bar<T: ?Sized> { data: T }
| ^^^
+note: required by a bound in `is_sized`
+ --> $DIR/unsized-struct.rs:1:13
+ |
+LL | fn is_sized<T:Sized>() { }
+ | ^ required by this bound in `is_sized`
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
LL - fn bar2<T: ?Sized>() { is_sized::<Bar<T>>() }
diff --git a/src/test/ui/unsized/unsized-trait-impl-self-type.stderr b/src/test/ui/unsized/unsized-trait-impl-self-type.stderr
index 55cdffec8c3cf..da251d4078b3e 100644
--- a/src/test/ui/unsized/unsized-trait-impl-self-type.stderr
+++ b/src/test/ui/unsized/unsized-trait-impl-self-type.stderr
@@ -1,14 +1,16 @@
error[E0277]: the size for values of type `X` cannot be known at compilation time
--> $DIR/unsized-trait-impl-self-type.rs:10:27
|
-LL | struct S5<Y>(Y);
- | - required by this bound in `S5`
-LL |
LL | impl<X: ?Sized> T3<X> for S5<X> {
| - ^^^^^ doesn't have a size known at compile-time
| |
| this type parameter needs to be `std::marker::Sized`
|
+note: required by a bound in `S5`
+ --> $DIR/unsized-trait-impl-self-type.rs:8:11
+ |
+LL | struct S5<Y>(Y);
+ | ^ required by this bound in `S5`
help: you could relax the implicit `Sized` bound on `Y` if it were used through indirection like `&Y` or `Box<Y>`
--> $DIR/unsized-trait-impl-self-type.rs:8:11
|
diff --git a/src/test/ui/unsized/unsized-trait-impl-trait-arg.stderr b/src/test/ui/unsized/unsized-trait-impl-trait-arg.stderr
index 7dfd0e43974a8..e91419070f5f9 100644
--- a/src/test/ui/unsized/unsized-trait-impl-trait-arg.stderr
+++ b/src/test/ui/unsized/unsized-trait-impl-trait-arg.stderr
@@ -1,14 +1,16 @@
error[E0277]: the size for values of type `X` cannot be known at compilation time
--> $DIR/unsized-trait-impl-trait-arg.rs:8:17
|
-LL | trait T2<Z> {
- | - required by this bound in `T2`
-...
LL | impl<X: ?Sized> T2<X> for S4<X> {
| - ^^^^^ doesn't have a size known at compile-time
| |
| this type parameter needs to be `std::marker::Sized`
|
+note: required by a bound in `T2`
+ --> $DIR/unsized-trait-impl-trait-arg.rs:4:10
+ |
+LL | trait T2<Z> {
+ | ^ required by this bound in `T2`
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
LL - impl<X: ?Sized> T2<X> for S4<X> {
diff --git a/src/test/ui/unsized/unsized3.stderr b/src/test/ui/unsized/unsized3.stderr
index e2331774ebe75..f7bb6c9c78c65 100644
--- a/src/test/ui/unsized/unsized3.stderr
+++ b/src/test/ui/unsized/unsized3.stderr
@@ -5,10 +5,12 @@ LL | fn f1<X: ?Sized>(x: &X) {
| - this type parameter needs to be `std::marker::Sized`
LL | f2::<X>(x);
| ^ doesn't have a size known at compile-time
-...
-LL | fn f2<X>(x: &X) {
- | - required by this bound in `f2`
|
+note: required by a bound in `f2`
+ --> $DIR/unsized3.rs:10:7
+ |
+LL | fn f2<X>(x: &X) {
+ | ^ required by this bound in `f2`
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
LL - fn f1<X: ?Sized>(x: &X) {
@@ -26,10 +28,12 @@ LL | fn f3<X: ?Sized + T>(x: &X) {
| - this type parameter needs to be `std::marker::Sized`
LL | f4::<X>(x);
| ^ doesn't have a size known at compile-time
-...
-LL | fn f4<X: T>(x: &X) {
- | - required by this bound in `f4`
|
+note: required by a bound in `f4`
+ --> $DIR/unsized3.rs:21:7
+ |
+LL | fn f4<X: T>(x: &X) {
+ | ^ required by this bound in `f4`
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
LL - fn f3<X: ?Sized + T>(x: &X) {
@@ -43,9 +47,6 @@ LL | fn f4<X: T + ?Sized>(x: &X) {
error[E0277]: the size for values of type `X` cannot be known at compilation time
--> $DIR/unsized3.rs:33:8
|
-LL | fn f5<Y>(x: &Y) {}
- | - required by this bound in `f5`
-...
LL | fn f8<X: ?Sized>(x1: &S<X>, x2: &S<X>) {
| - this type parameter needs to be `std::marker::Sized`
LL | f5(x1);
@@ -56,6 +57,11 @@ note: required because it appears within the type `S<X>`
|
LL | struct S<X: ?Sized> {
| ^
+note: required by a bound in `f5`
+ --> $DIR/unsized3.rs:24:7
+ |
+LL | fn f5<Y>(x: &Y) {}
+ | ^ required by this bound in `f5`
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
LL - fn f8<X: ?Sized>(x1: &S<X>, x2: &S<X>) {
@@ -110,9 +116,6 @@ LL + fn f10<X>(x1: Box<S<X>>) {
error[E0277]: the size for values of type `X` cannot be known at compilation time
--> $DIR/unsized3.rs:45:8
|
-LL | fn f5<Y>(x: &Y) {}
- | - required by this bound in `f5`
-...
LL | fn f10<X: ?Sized>(x1: Box<S<X>>) {
| - this type parameter needs to be `std::marker::Sized`
LL | f5(&(32, *x1));
@@ -124,6 +127,11 @@ note: required because it appears within the type `S<X>`
LL | struct S<X: ?Sized> {
| ^
= note: required because it appears within the type `({integer}, S<X>)`
+note: required by a bound in `f5`
+ --> $DIR/unsized3.rs:24:7
+ |
+LL | fn f5<Y>(x: &Y) {}
+ | ^ required by this bound in `f5`
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
LL - fn f10<X: ?Sized>(x1: Box<S<X>>) {
diff --git a/src/test/ui/unsized/unsized7.stderr b/src/test/ui/unsized/unsized7.stderr
index f176b8863f8fd..3246e26e6eb7d 100644
--- a/src/test/ui/unsized/unsized7.stderr
+++ b/src/test/ui/unsized/unsized7.stderr
@@ -1,14 +1,16 @@
error[E0277]: the size for values of type `X` cannot be known at compilation time
--> $DIR/unsized7.rs:12:21
|
-LL | trait T1<Z: T> {
- | - required by this bound in `T1`
-...
LL | impl<X: ?Sized + T> T1<X> for S3<X> {
| - ^^^^^ doesn't have a size known at compile-time
| |
| this type parameter needs to be `std::marker::Sized`
|
+note: required by a bound in `T1`
+ --> $DIR/unsized7.rs:7:10
+ |
+LL | trait T1<Z: T> {
+ | ^ required by this bound in `T1`
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
LL - impl<X: ?Sized + T> T1<X> for S3<X> {
diff --git a/src/test/ui/wf/hir-wf-check-erase-regions.stderr b/src/test/ui/wf/hir-wf-check-erase-regions.stderr
index 272a87535d250..0d9b9627562f9 100644
--- a/src/test/ui/wf/hir-wf-check-erase-regions.stderr
+++ b/src/test/ui/wf/hir-wf-check-erase-regions.stderr
@@ -4,13 +4,13 @@ error[E0277]: `&T` is not an iterator
LL | type IntoIter = std::iter::Flatten<std::slice::Iter<'a, T>>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `&T` is not an iterator
|
- ::: $SRC_DIR/core/src/iter/adapters/flatten.rs:LL:COL
- |
-LL | pub struct Flatten<I: Iterator<Item: IntoIterator>> {
- | ------------ required by this bound in `Flatten`
- |
= help: the trait `Iterator` is not implemented for `&T`
= note: required because of the requirements on the impl of `IntoIterator` for `&T`
+note: required by a bound in `Flatten`
+ --> $SRC_DIR/core/src/iter/adapters/flatten.rs:LL:COL
+ |
+LL | pub struct Flatten<I: Iterator<Item: IntoIterator>> {
+ | ^^^^^^^^^^^^ required by this bound in `Flatten`
error[E0277]: `&T` is not an iterator
--> $DIR/hir-wf-check-erase-regions.rs:10:27
@@ -18,13 +18,13 @@ error[E0277]: `&T` is not an iterator
LL | fn into_iter(self) -> Self::IntoIter {
| ^^^^^^^^^^^^^^ `&T` is not an iterator
|
- ::: $SRC_DIR/core/src/iter/adapters/flatten.rs:LL:COL
- |
-LL | pub struct Flatten<I: Iterator<Item: IntoIterator>> {
- | ------------ required by this bound in `Flatten`
- |
= help: the trait `Iterator` is not implemented for `&T`
= note: required because of the requirements on the impl of `IntoIterator` for `&T`
+note: required by a bound in `Flatten`
+ --> $SRC_DIR/core/src/iter/adapters/flatten.rs:LL:COL
+ |
+LL | pub struct Flatten<I: Iterator<Item: IntoIterator>> {
+ | ^^^^^^^^^^^^ required by this bound in `Flatten`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/wf/wf-complex-assoc-type.stderr b/src/test/ui/wf/wf-complex-assoc-type.stderr
index c366519a8d74e..ef613e3132d03 100644
--- a/src/test/ui/wf/wf-complex-assoc-type.stderr
+++ b/src/test/ui/wf/wf-complex-assoc-type.stderr
@@ -1,11 +1,14 @@
error[E0277]: the trait bound `bool: MyTrait` is not satisfied
--> $DIR/wf-complex-assoc-type.rs:9:28
|
-LL | struct AssertMyTrait<T: MyTrait>(T);
- | ------- required by this bound in `AssertMyTrait`
-...
LL | type MyItem = Option<((AssertMyTrait<bool>, u8))>;
| ^^^^^^^^^^^^^^^^^^^ the trait `MyTrait` is not implemented for `bool`
+ |
+note: required by a bound in `AssertMyTrait`
+ --> $DIR/wf-complex-assoc-type.rs:2:25
+ |
+LL | struct AssertMyTrait<T: MyTrait>(T);
+ | ^^^^^^^ required by this bound in `AssertMyTrait`
error: aborting due to previous error
diff --git a/src/test/ui/wf/wf-const-type.stderr b/src/test/ui/wf/wf-const-type.stderr
index d2e68548805b7..5a6d66ee7fa7c 100644
--- a/src/test/ui/wf/wf-const-type.stderr
+++ b/src/test/ui/wf/wf-const-type.stderr
@@ -1,13 +1,15 @@
error[E0277]: the trait bound `NotCopy: Copy` is not satisfied
--> $DIR/wf-const-type.rs:10:12
|
-LL | struct IsCopy<T:Copy> { t: T }
- | ---- required by this bound in `IsCopy`
-...
LL | const FOO: IsCopy<Option<NotCopy>> = IsCopy { t: None };
| ^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `NotCopy`
|
= note: required because of the requirements on the impl of `Copy` for `Option<NotCopy>`
+note: required by a bound in `IsCopy`
+ --> $DIR/wf-const-type.rs:7:17
+ |
+LL | struct IsCopy<T:Copy> { t: T }
+ | ^^^^ required by this bound in `IsCopy`
error: aborting due to previous error
diff --git a/src/test/ui/wf/wf-enum-bound.stderr b/src/test/ui/wf/wf-enum-bound.stderr
index d62a6828ca3a1..d39fc0c6a459e 100644
--- a/src/test/ui/wf/wf-enum-bound.stderr
+++ b/src/test/ui/wf/wf-enum-bound.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `U: Copy` is not satisfied
--> $DIR/wf-enum-bound.rs:10:14
|
-LL | trait ExtraCopy<T:Copy> { }
- | ---- required by this bound in `ExtraCopy`
-...
LL | where T: ExtraCopy<U>
| ^^^^^^^^^^^^ the trait `Copy` is not implemented for `U`
|
+note: required by a bound in `ExtraCopy`
+ --> $DIR/wf-enum-bound.rs:7:19
+ |
+LL | trait ExtraCopy<T:Copy> { }
+ | ^^^^ required by this bound in `ExtraCopy`
help: consider further restricting type parameter `U`
|
LL | where T: ExtraCopy<U>, U: std::marker::Copy
diff --git a/src/test/ui/wf/wf-enum-fields-struct-variant.stderr b/src/test/ui/wf/wf-enum-fields-struct-variant.stderr
index 295037efb5427..c12d62521f77b 100644
--- a/src/test/ui/wf/wf-enum-fields-struct-variant.stderr
+++ b/src/test/ui/wf/wf-enum-fields-struct-variant.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `A: Copy` is not satisfied
--> $DIR/wf-enum-fields-struct-variant.rs:13:12
|
-LL | struct IsCopy<T:Copy> {
- | ---- required by this bound in `IsCopy`
-...
LL | f: IsCopy<A>
| ^^^^^^^^^ the trait `Copy` is not implemented for `A`
|
+note: required by a bound in `IsCopy`
+ --> $DIR/wf-enum-fields-struct-variant.rs:7:17
+ |
+LL | struct IsCopy<T:Copy> {
+ | ^^^^ required by this bound in `IsCopy`
help: consider restricting type parameter `A`
|
LL | enum AnotherEnum<A: std::marker::Copy> {
diff --git a/src/test/ui/wf/wf-enum-fields.stderr b/src/test/ui/wf/wf-enum-fields.stderr
index 496216a7fa8f9..ac3301a965ac7 100644
--- a/src/test/ui/wf/wf-enum-fields.stderr
+++ b/src/test/ui/wf/wf-enum-fields.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `A: Copy` is not satisfied
--> $DIR/wf-enum-fields.rs:12:17
|
-LL | struct IsCopy<T:Copy> {
- | ---- required by this bound in `IsCopy`
-...
LL | SomeVariant(IsCopy<A>)
| ^^^^^^^^^ the trait `Copy` is not implemented for `A`
|
+note: required by a bound in `IsCopy`
+ --> $DIR/wf-enum-fields.rs:7:17
+ |
+LL | struct IsCopy<T:Copy> {
+ | ^^^^ required by this bound in `IsCopy`
help: consider restricting type parameter `A`
|
LL | enum SomeEnum<A: std::marker::Copy> {
diff --git a/src/test/ui/wf/wf-fn-where-clause.stderr b/src/test/ui/wf/wf-fn-where-clause.stderr
index 1302d0e1761f9..2aec641e71edc 100644
--- a/src/test/ui/wf/wf-fn-where-clause.stderr
+++ b/src/test/ui/wf/wf-fn-where-clause.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `U: Copy` is not satisfied
--> $DIR/wf-fn-where-clause.rs:8:24
|
-LL | trait ExtraCopy<T:Copy> { }
- | ---- required by this bound in `ExtraCopy`
-LL |
LL | fn foo<T,U>() where T: ExtraCopy<U>
| ^^^^^^^^^^^^ the trait `Copy` is not implemented for `U`
|
+note: required by a bound in `ExtraCopy`
+ --> $DIR/wf-fn-where-clause.rs:6:19
+ |
+LL | trait ExtraCopy<T:Copy> { }
+ | ^^^^ required by this bound in `ExtraCopy`
help: consider further restricting type parameter `U`
|
LL | fn foo<T,U>() where T: ExtraCopy<U>, U: std::marker::Copy
@@ -17,11 +19,13 @@ error[E0277]: the size for values of type `(dyn Copy + 'static)` cannot be known
|
LL | fn bar() where Vec<dyn Copy>:, {}
| ^^^^^^^^^^^^^ doesn't have a size known at compile-time
-...
-LL | struct Vec<T> {
- | - required by this bound in `Vec`
|
= help: the trait `Sized` is not implemented for `(dyn Copy + 'static)`
+note: required by a bound in `Vec`
+ --> $DIR/wf-fn-where-clause.rs:16:12
+ |
+LL | struct Vec<T> {
+ | ^ required by this bound in `Vec`
help: you could relax the implicit `Sized` bound on `T` if it were used through indirection like `&T` or `Box<T>`
--> $DIR/wf-fn-where-clause.rs:16:12
|
diff --git a/src/test/ui/wf/wf-foreign-fn-decl-ret.stderr b/src/test/ui/wf/wf-foreign-fn-decl-ret.stderr
index f6b48938f9b04..66bfdbc596266 100644
--- a/src/test/ui/wf/wf-foreign-fn-decl-ret.stderr
+++ b/src/test/ui/wf/wf-foreign-fn-decl-ret.stderr
@@ -1,20 +1,26 @@
error[E0277]: the trait bound `(): Foo` is not satisfied
--> $DIR/wf-foreign-fn-decl-ret.rs:11:25
|
-LL | pub trait Foo {
- | ------------- required by this bound in `Foo`
-...
LL | pub fn lint_me() -> <() as Foo>::Assoc;
| ^^^^^^^^^^^^^^^^^^ the trait `Foo` is not implemented for `()`
+ |
+note: required by a bound in `Foo`
+ --> $DIR/wf-foreign-fn-decl-ret.rs:6:1
+ |
+LL | pub trait Foo {
+ | ^^^^^^^^^^^^^ required by this bound in `Foo`
error[E0277]: the trait bound `u32: Unsatisfied` is not satisfied
--> $DIR/wf-foreign-fn-decl-ret.rs:14:32
|
-LL | pub struct Bar<T: Unsatisfied>(T);
- | ----------- required by this bound in `Bar`
-...
LL | pub fn lint_me_aswell() -> Bar<u32>;
| ^^^^^^^^ the trait `Unsatisfied` is not implemented for `u32`
+ |
+note: required by a bound in `Bar`
+ --> $DIR/wf-foreign-fn-decl-ret.rs:4:19
+ |
+LL | pub struct Bar<T: Unsatisfied>(T);
+ | ^^^^^^^^^^^ required by this bound in `Bar`
error: aborting due to 2 previous errors
diff --git a/src/test/ui/wf/wf-impl-associated-type-trait.stderr b/src/test/ui/wf/wf-impl-associated-type-trait.stderr
index 50b4e5d8e7e98..bdf8bba5ee026 100644
--- a/src/test/ui/wf/wf-impl-associated-type-trait.stderr
+++ b/src/test/ui/wf/wf-impl-associated-type-trait.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `T: MyHash` is not satisfied
--> $DIR/wf-impl-associated-type-trait.rs:17:16
|
-LL | pub struct MySet<T:MyHash> {
- | ------ required by this bound in `MySet`
-...
LL | type Bar = MySet<T>;
| ^^^^^^^^ the trait `MyHash` is not implemented for `T`
|
+note: required by a bound in `MySet`
+ --> $DIR/wf-impl-associated-type-trait.rs:8:20
+ |
+LL | pub struct MySet<T:MyHash> {
+ | ^^^^^^ required by this bound in `MySet`
help: consider restricting type parameter `T`
|
LL | impl<T: MyHash> Foo for T {
diff --git a/src/test/ui/wf/wf-impl-self-type.stderr b/src/test/ui/wf/wf-impl-self-type.stderr
index 918e5feb28657..371321793adf8 100644
--- a/src/test/ui/wf/wf-impl-self-type.stderr
+++ b/src/test/ui/wf/wf-impl-self-type.stderr
@@ -4,12 +4,12 @@ error[E0277]: the size for values of type `[u8]` cannot be known at compilation
LL | impl Foo for Option<[u8]> {}
| ^^^^^^^^^^^^ doesn't have a size known at compile-time
|
- ::: $SRC_DIR/core/src/option.rs:LL:COL
+ = help: the trait `Sized` is not implemented for `[u8]`
+note: required by a bound in `Option`
+ --> $SRC_DIR/core/src/option.rs:LL:COL
|
LL | pub enum Option<T> {
- | - required by this bound in `Option`
- |
- = help: the trait `Sized` is not implemented for `[u8]`
+ | ^ required by this bound in `Option`
error: aborting due to previous error
diff --git a/src/test/ui/wf/wf-in-fn-arg.stderr b/src/test/ui/wf/wf-in-fn-arg.stderr
index 94899e21876af..83a4a592ad315 100644
--- a/src/test/ui/wf/wf-in-fn-arg.stderr
+++ b/src/test/ui/wf/wf-in-fn-arg.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `T: Copy` is not satisfied
--> $DIR/wf-in-fn-arg.rs:10:15
|
-LL | struct MustBeCopy<T:Copy> {
- | ---- required by this bound in `MustBeCopy`
-...
LL | fn bar<T>(_: &MustBeCopy<T>)
| ^^^^^^^^^^^^^ the trait `Copy` is not implemented for `T`
|
+note: required by a bound in `MustBeCopy`
+ --> $DIR/wf-in-fn-arg.rs:6:21
+ |
+LL | struct MustBeCopy<T:Copy> {
+ | ^^^^ required by this bound in `MustBeCopy`
help: consider restricting type parameter `T`
|
LL | fn bar<T: std::marker::Copy>(_: &MustBeCopy<T>)
diff --git a/src/test/ui/wf/wf-in-fn-ret.stderr b/src/test/ui/wf/wf-in-fn-ret.stderr
index 731331c894aaf..7eeb974728322 100644
--- a/src/test/ui/wf/wf-in-fn-ret.stderr
+++ b/src/test/ui/wf/wf-in-fn-ret.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `T: Copy` is not satisfied
--> $DIR/wf-in-fn-ret.rs:10:16
|
-LL | struct MustBeCopy<T:Copy> {
- | ---- required by this bound in `MustBeCopy`
-...
LL | fn bar<T>() -> MustBeCopy<T>
| ^^^^^^^^^^^^^ the trait `Copy` is not implemented for `T`
|
+note: required by a bound in `MustBeCopy`
+ --> $DIR/wf-in-fn-ret.rs:6:21
+ |
+LL | struct MustBeCopy<T:Copy> {
+ | ^^^^ required by this bound in `MustBeCopy`
help: consider restricting type parameter `T`
|
LL | fn bar<T: std::marker::Copy>() -> MustBeCopy<T>
diff --git a/src/test/ui/wf/wf-in-fn-type-arg.stderr b/src/test/ui/wf/wf-in-fn-type-arg.stderr
index e41fe321142be..be5e9d4182bed 100644
--- a/src/test/ui/wf/wf-in-fn-type-arg.stderr
+++ b/src/test/ui/wf/wf-in-fn-type-arg.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `T: Copy` is not satisfied
--> $DIR/wf-in-fn-type-arg.rs:9:11
|
-LL | struct MustBeCopy<T:Copy> {
- | ---- required by this bound in `MustBeCopy`
-...
LL | x: fn(MustBeCopy<T>)
| ^^^^^^^^^^^^^ the trait `Copy` is not implemented for `T`
|
+note: required by a bound in `MustBeCopy`
+ --> $DIR/wf-in-fn-type-arg.rs:3:21
+ |
+LL | struct MustBeCopy<T:Copy> {
+ | ^^^^ required by this bound in `MustBeCopy`
help: consider restricting type parameter `T`
|
LL | struct Bar<T: std::marker::Copy> {
diff --git a/src/test/ui/wf/wf-in-fn-type-ret.stderr b/src/test/ui/wf/wf-in-fn-type-ret.stderr
index 36ee740de311b..8fcfcb0b21af3 100644
--- a/src/test/ui/wf/wf-in-fn-type-ret.stderr
+++ b/src/test/ui/wf/wf-in-fn-type-ret.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `T: Copy` is not satisfied
--> $DIR/wf-in-fn-type-ret.rs:9:16
|
-LL | struct MustBeCopy<T:Copy> {
- | ---- required by this bound in `MustBeCopy`
-...
LL | x: fn() -> MustBeCopy<T>
| ^^^^^^^^^^^^^ the trait `Copy` is not implemented for `T`
|
+note: required by a bound in `MustBeCopy`
+ --> $DIR/wf-in-fn-type-ret.rs:3:21
+ |
+LL | struct MustBeCopy<T:Copy> {
+ | ^^^^ required by this bound in `MustBeCopy`
help: consider restricting type parameter `T`
|
LL | struct Foo<T: std::marker::Copy> {
diff --git a/src/test/ui/wf/wf-in-fn-where-clause.stderr b/src/test/ui/wf/wf-in-fn-where-clause.stderr
index 5d9501bac8536..160a738409bf5 100644
--- a/src/test/ui/wf/wf-in-fn-where-clause.stderr
+++ b/src/test/ui/wf/wf-in-fn-where-clause.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `U: Copy` is not satisfied
--> $DIR/wf-in-fn-where-clause.rs:10:14
|
-LL | trait MustBeCopy<T:Copy> {
- | ---- required by this bound in `MustBeCopy`
-...
LL | where T: MustBeCopy<U>
| ^^^^^^^^^^^^^ the trait `Copy` is not implemented for `U`
|
+note: required by a bound in `MustBeCopy`
+ --> $DIR/wf-in-fn-where-clause.rs:6:20
+ |
+LL | trait MustBeCopy<T:Copy> {
+ | ^^^^ required by this bound in `MustBeCopy`
help: consider further restricting type parameter `U`
|
LL | where T: MustBeCopy<U>, U: std::marker::Copy
diff --git a/src/test/ui/wf/wf-in-obj-type-trait.stderr b/src/test/ui/wf/wf-in-obj-type-trait.stderr
index abf53010a60b5..f556b678e0e38 100644
--- a/src/test/ui/wf/wf-in-obj-type-trait.stderr
+++ b/src/test/ui/wf/wf-in-obj-type-trait.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `T: Copy` is not satisfied
--> $DIR/wf-in-obj-type-trait.rs:11:19
|
-LL | struct MustBeCopy<T:Copy> {
- | ---- required by this bound in `MustBeCopy`
-...
LL | x: dyn Object<MustBeCopy<T>>
| ^^^^^^^^^^^^^ the trait `Copy` is not implemented for `T`
|
+note: required by a bound in `MustBeCopy`
+ --> $DIR/wf-in-obj-type-trait.rs:5:21
+ |
+LL | struct MustBeCopy<T:Copy> {
+ | ^^^^ required by this bound in `MustBeCopy`
help: consider restricting type parameter `T`
|
LL | struct Bar<T: std::marker::Copy> {
diff --git a/src/test/ui/wf/wf-inherent-impl-method-where-clause.stderr b/src/test/ui/wf/wf-inherent-impl-method-where-clause.stderr
index 097d23ddc5fe9..e723d1ba76bcc 100644
--- a/src/test/ui/wf/wf-inherent-impl-method-where-clause.stderr
+++ b/src/test/ui/wf/wf-inherent-impl-method-where-clause.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `U: Copy` is not satisfied
--> $DIR/wf-inherent-impl-method-where-clause.rs:12:27
|
-LL | trait ExtraCopy<T:Copy> { }
- | ---- required by this bound in `ExtraCopy`
-...
LL | fn foo(self) where T: ExtraCopy<U>
| ^^^^^^^^^^^^ the trait `Copy` is not implemented for `U`
|
+note: required by a bound in `ExtraCopy`
+ --> $DIR/wf-inherent-impl-method-where-clause.rs:7:19
+ |
+LL | trait ExtraCopy<T:Copy> { }
+ | ^^^^ required by this bound in `ExtraCopy`
help: consider restricting type parameter `U`
|
LL | impl<T,U: std::marker::Copy> Foo<T,U> {
diff --git a/src/test/ui/wf/wf-inherent-impl-where-clause.stderr b/src/test/ui/wf/wf-inherent-impl-where-clause.stderr
index 5767cae5bc946..39e0d348ea5ed 100644
--- a/src/test/ui/wf/wf-inherent-impl-where-clause.stderr
+++ b/src/test/ui/wf/wf-inherent-impl-where-clause.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `U: Copy` is not satisfied
--> $DIR/wf-inherent-impl-where-clause.rs:11:29
|
-LL | trait ExtraCopy<T:Copy> { }
- | ---- required by this bound in `ExtraCopy`
-...
LL | impl<T,U> Foo<T,U> where T: ExtraCopy<U>
| ^^^^^^^^^^^^ the trait `Copy` is not implemented for `U`
|
+note: required by a bound in `ExtraCopy`
+ --> $DIR/wf-inherent-impl-where-clause.rs:7:19
+ |
+LL | trait ExtraCopy<T:Copy> { }
+ | ^^^^ required by this bound in `ExtraCopy`
help: consider further restricting type parameter `U`
|
LL | impl<T,U> Foo<T,U> where T: ExtraCopy<U>, U: std::marker::Copy
diff --git a/src/test/ui/wf/wf-static-type.stderr b/src/test/ui/wf/wf-static-type.stderr
index a98184633b5a4..c45bd5777620c 100644
--- a/src/test/ui/wf/wf-static-type.stderr
+++ b/src/test/ui/wf/wf-static-type.stderr
@@ -1,13 +1,15 @@
error[E0277]: the trait bound `NotCopy: Copy` is not satisfied
--> $DIR/wf-static-type.rs:10:13
|
-LL | struct IsCopy<T:Copy> { t: T }
- | ---- required by this bound in `IsCopy`
-...
LL | static FOO: IsCopy<Option<NotCopy>> = IsCopy { t: None };
| ^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `NotCopy`
|
= note: required because of the requirements on the impl of `Copy` for `Option<NotCopy>`
+note: required by a bound in `IsCopy`
+ --> $DIR/wf-static-type.rs:7:17
+ |
+LL | struct IsCopy<T:Copy> { t: T }
+ | ^^^^ required by this bound in `IsCopy`
error: aborting due to previous error
diff --git a/src/test/ui/wf/wf-struct-bound.stderr b/src/test/ui/wf/wf-struct-bound.stderr
index 6d72ef7035557..6248e3e4e43b6 100644
--- a/src/test/ui/wf/wf-struct-bound.stderr
+++ b/src/test/ui/wf/wf-struct-bound.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `U: Copy` is not satisfied
--> $DIR/wf-struct-bound.rs:10:14
|
-LL | trait ExtraCopy<T:Copy> { }
- | ---- required by this bound in `ExtraCopy`
-...
LL | where T: ExtraCopy<U>
| ^^^^^^^^^^^^ the trait `Copy` is not implemented for `U`
|
+note: required by a bound in `ExtraCopy`
+ --> $DIR/wf-struct-bound.rs:7:19
+ |
+LL | trait ExtraCopy<T:Copy> { }
+ | ^^^^ required by this bound in `ExtraCopy`
help: consider further restricting type parameter `U`
|
LL | where T: ExtraCopy<U>, U: std::marker::Copy
diff --git a/src/test/ui/wf/wf-struct-field.stderr b/src/test/ui/wf/wf-struct-field.stderr
index e4c322163d7de..78a8da8602a43 100644
--- a/src/test/ui/wf/wf-struct-field.stderr
+++ b/src/test/ui/wf/wf-struct-field.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `A: Copy` is not satisfied
--> $DIR/wf-struct-field.rs:12:11
|
-LL | struct IsCopy<T:Copy> {
- | ---- required by this bound in `IsCopy`
-...
LL | data: IsCopy<A>
| ^^^^^^^^^ the trait `Copy` is not implemented for `A`
|
+note: required by a bound in `IsCopy`
+ --> $DIR/wf-struct-field.rs:7:17
+ |
+LL | struct IsCopy<T:Copy> {
+ | ^^^^ required by this bound in `IsCopy`
help: consider restricting type parameter `A`
|
LL | struct SomeStruct<A: std::marker::Copy> {
diff --git a/src/test/ui/wf/wf-trait-associated-type-bound.stderr b/src/test/ui/wf/wf-trait-associated-type-bound.stderr
index 404f3400a48bc..8297700171fd7 100644
--- a/src/test/ui/wf/wf-trait-associated-type-bound.stderr
+++ b/src/test/ui/wf/wf-trait-associated-type-bound.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `T: Copy` is not satisfied
--> $DIR/wf-trait-associated-type-bound.rs:10:17
|
-LL | trait ExtraCopy<T:Copy> { }
- | ---- required by this bound in `ExtraCopy`
-...
LL | type Type1: ExtraCopy<T>;
| ^^^^^^^^^^^^ the trait `Copy` is not implemented for `T`
|
+note: required by a bound in `ExtraCopy`
+ --> $DIR/wf-trait-associated-type-bound.rs:7:19
+ |
+LL | trait ExtraCopy<T:Copy> { }
+ | ^^^^ required by this bound in `ExtraCopy`
help: consider restricting type parameter `T`
|
LL | trait SomeTrait<T: std::marker::Copy> {
diff --git a/src/test/ui/wf/wf-trait-associated-type-trait.stderr b/src/test/ui/wf/wf-trait-associated-type-trait.stderr
index dc1cd3d17c307..a73c3a2aed608 100644
--- a/src/test/ui/wf/wf-trait-associated-type-trait.stderr
+++ b/src/test/ui/wf/wf-trait-associated-type-trait.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `<Self as SomeTrait>::Type1: Copy` is not satisfied
--> $DIR/wf-trait-associated-type-trait.rs:11:19
|
-LL | struct IsCopy<T:Copy> { x: T }
- | ---- required by this bound in `IsCopy`
-...
LL | type Type2 = (IsCopy<Self::Type1>, bool);
| ^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `<Self as SomeTrait>::Type1`
|
+note: required by a bound in `IsCopy`
+ --> $DIR/wf-trait-associated-type-trait.rs:7:17
+ |
+LL | struct IsCopy<T:Copy> { x: T }
+ | ^^^^ required by this bound in `IsCopy`
help: consider further restricting the associated type
|
LL | trait SomeTrait where <Self as SomeTrait>::Type1: Copy {
diff --git a/src/test/ui/wf/wf-trait-bound.stderr b/src/test/ui/wf/wf-trait-bound.stderr
index 4b77d48e87c77..bace3e3ef0081 100644
--- a/src/test/ui/wf/wf-trait-bound.stderr
+++ b/src/test/ui/wf/wf-trait-bound.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `U: Copy` is not satisfied
--> $DIR/wf-trait-bound.rs:10:14
|
-LL | trait ExtraCopy<T:Copy> { }
- | ---- required by this bound in `ExtraCopy`
-...
LL | where T: ExtraCopy<U>
| ^^^^^^^^^^^^ the trait `Copy` is not implemented for `U`
|
+note: required by a bound in `ExtraCopy`
+ --> $DIR/wf-trait-bound.rs:7:19
+ |
+LL | trait ExtraCopy<T:Copy> { }
+ | ^^^^ required by this bound in `ExtraCopy`
help: consider further restricting type parameter `U`
|
LL | where T: ExtraCopy<U>, U: std::marker::Copy
diff --git a/src/test/ui/wf/wf-trait-default-fn-arg.stderr b/src/test/ui/wf/wf-trait-default-fn-arg.stderr
index 81b0dd04d29fa..8c3d0568fdf1d 100644
--- a/src/test/ui/wf/wf-trait-default-fn-arg.stderr
+++ b/src/test/ui/wf/wf-trait-default-fn-arg.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `Self: Eq` is not satisfied
--> $DIR/wf-trait-default-fn-arg.rs:11:23
|
-LL | struct Bar<T:Eq+?Sized> { value: Box<T> }
- | -- required by this bound in `Bar`
-...
LL | fn bar(&self, x: &Bar<Self>) {
| ^^^^^^^^^ the trait `Eq` is not implemented for `Self`
|
+note: required by a bound in `Bar`
+ --> $DIR/wf-trait-default-fn-arg.rs:8:14
+ |
+LL | struct Bar<T:Eq+?Sized> { value: Box<T> }
+ | ^^ required by this bound in `Bar`
help: consider further restricting `Self`
|
LL | fn bar(&self, x: &Bar<Self>) where Self: Eq {
diff --git a/src/test/ui/wf/wf-trait-default-fn-ret.stderr b/src/test/ui/wf/wf-trait-default-fn-ret.stderr
index d0da0ee5860e3..6422e862d287d 100644
--- a/src/test/ui/wf/wf-trait-default-fn-ret.stderr
+++ b/src/test/ui/wf/wf-trait-default-fn-ret.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `Self: Eq` is not satisfied
--> $DIR/wf-trait-default-fn-ret.rs:11:22
|
-LL | struct Bar<T:Eq+?Sized> { value: Box<T> }
- | -- required by this bound in `Bar`
-...
LL | fn bar(&self) -> Bar<Self> {
| ^^^^^^^^^ the trait `Eq` is not implemented for `Self`
|
+note: required by a bound in `Bar`
+ --> $DIR/wf-trait-default-fn-ret.rs:8:14
+ |
+LL | struct Bar<T:Eq+?Sized> { value: Box<T> }
+ | ^^ required by this bound in `Bar`
help: consider further restricting `Self`
|
LL | fn bar(&self) -> Bar<Self> where Self: Eq {
diff --git a/src/test/ui/wf/wf-trait-default-fn-where-clause.stderr b/src/test/ui/wf/wf-trait-default-fn-where-clause.stderr
index 1572d06932596..f260d5750c566 100644
--- a/src/test/ui/wf/wf-trait-default-fn-where-clause.stderr
+++ b/src/test/ui/wf/wf-trait-default-fn-where-clause.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `Self: Eq` is not satisfied
--> $DIR/wf-trait-default-fn-where-clause.rs:11:31
|
-LL | trait Bar<T:Eq+?Sized> { }
- | -- required by this bound in `Bar`
-...
LL | fn bar<A>(&self) where A: Bar<Self> {
| ^^^^^^^^^ the trait `Eq` is not implemented for `Self`
|
+note: required by a bound in `Bar`
+ --> $DIR/wf-trait-default-fn-where-clause.rs:8:13
+ |
+LL | trait Bar<T:Eq+?Sized> { }
+ | ^^ required by this bound in `Bar`
help: consider further restricting `Self`
|
LL | fn bar<A>(&self) where A: Bar<Self>, Self: Eq {
diff --git a/src/test/ui/wf/wf-trait-fn-arg.stderr b/src/test/ui/wf/wf-trait-fn-arg.stderr
index 3b366605b75ff..3bd1f48928d71 100644
--- a/src/test/ui/wf/wf-trait-fn-arg.stderr
+++ b/src/test/ui/wf/wf-trait-fn-arg.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `Self: Eq` is not satisfied
--> $DIR/wf-trait-fn-arg.rs:10:23
|
-LL | struct Bar<T:Eq+?Sized> { value: Box<T> }
- | -- required by this bound in `Bar`
-...
LL | fn bar(&self, x: &Bar<Self>);
| ^^^^^^^^^ the trait `Eq` is not implemented for `Self`
|
+note: required by a bound in `Bar`
+ --> $DIR/wf-trait-fn-arg.rs:7:14
+ |
+LL | struct Bar<T:Eq+?Sized> { value: Box<T> }
+ | ^^ required by this bound in `Bar`
help: consider further restricting `Self`
|
LL | fn bar(&self, x: &Bar<Self>) where Self: Eq;
diff --git a/src/test/ui/wf/wf-trait-fn-ret.stderr b/src/test/ui/wf/wf-trait-fn-ret.stderr
index d289501d1630d..a59ba3400a4d1 100644
--- a/src/test/ui/wf/wf-trait-fn-ret.stderr
+++ b/src/test/ui/wf/wf-trait-fn-ret.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `Self: Eq` is not satisfied
--> $DIR/wf-trait-fn-ret.rs:10:22
|
-LL | struct Bar<T:Eq+?Sized> { value: Box<T> }
- | -- required by this bound in `Bar`
-...
LL | fn bar(&self) -> &Bar<Self>;
| ^^^^^^^^^^ the trait `Eq` is not implemented for `Self`
|
+note: required by a bound in `Bar`
+ --> $DIR/wf-trait-fn-ret.rs:7:14
+ |
+LL | struct Bar<T:Eq+?Sized> { value: Box<T> }
+ | ^^ required by this bound in `Bar`
help: consider further restricting `Self`
|
LL | fn bar(&self) -> &Bar<Self> where Self: Eq;
diff --git a/src/test/ui/wf/wf-trait-fn-where-clause.stderr b/src/test/ui/wf/wf-trait-fn-where-clause.stderr
index ad517511a63ef..d064f7fc56e5c 100644
--- a/src/test/ui/wf/wf-trait-fn-where-clause.stderr
+++ b/src/test/ui/wf/wf-trait-fn-where-clause.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `Self: Eq` is not satisfied
--> $DIR/wf-trait-fn-where-clause.rs:10:49
|
-LL | struct Bar<T:Eq+?Sized> { value: Box<T> }
- | -- required by this bound in `Bar`
-...
LL | fn bar(&self) where Self: Sized, Bar<Self>: Copy;
| ^^^^ the trait `Eq` is not implemented for `Self`
|
+note: required by a bound in `Bar`
+ --> $DIR/wf-trait-fn-where-clause.rs:7:14
+ |
+LL | struct Bar<T:Eq+?Sized> { value: Box<T> }
+ | ^^ required by this bound in `Bar`
help: consider further restricting `Self`
|
LL | fn bar(&self) where Self: Sized, Bar<Self>: Copy, Self: Eq;
diff --git a/src/test/ui/wf/wf-trait-superbound.stderr b/src/test/ui/wf/wf-trait-superbound.stderr
index c3016cff0f537..cd49243a4bf0b 100644
--- a/src/test/ui/wf/wf-trait-superbound.stderr
+++ b/src/test/ui/wf/wf-trait-superbound.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `T: Copy` is not satisfied
--> $DIR/wf-trait-superbound.rs:9:21
|
-LL | trait ExtraCopy<T:Copy> { }
- | ---- required by this bound in `ExtraCopy`
-LL |
LL | trait SomeTrait<T>: ExtraCopy<T> {
| ^^^^^^^^^^^^ the trait `Copy` is not implemented for `T`
|
+note: required by a bound in `ExtraCopy`
+ --> $DIR/wf-trait-superbound.rs:7:19
+ |
+LL | trait ExtraCopy<T:Copy> { }
+ | ^^^^ required by this bound in `ExtraCopy`
help: consider restricting type parameter `T`
|
LL | trait SomeTrait<T: std::marker::Copy>: ExtraCopy<T> {
diff --git a/src/test/ui/where-clauses/where-clause-constraints-are-local-for-inherent-impl.stderr b/src/test/ui/where-clauses/where-clause-constraints-are-local-for-inherent-impl.stderr
index 08945c5fdc1e9..0df5f91c8f3f1 100644
--- a/src/test/ui/where-clauses/where-clause-constraints-are-local-for-inherent-impl.stderr
+++ b/src/test/ui/where-clauses/where-clause-constraints-are-local-for-inherent-impl.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `T: Copy` is not satisfied
--> $DIR/where-clause-constraints-are-local-for-inherent-impl.rs:13:22
|
-LL | fn require_copy<T: Copy>(x: T) {}
- | ---- required by this bound in `require_copy`
-...
LL | require_copy(self.x);
| ^^^^^^ the trait `Copy` is not implemented for `T`
|
+note: required by a bound in `require_copy`
+ --> $DIR/where-clause-constraints-are-local-for-inherent-impl.rs:1:20
+ |
+LL | fn require_copy<T: Copy>(x: T) {}
+ | ^^^^ required by this bound in `require_copy`
help: consider restricting type parameter `T`
|
LL | impl<T: std::marker::Copy> Foo<T> {
diff --git a/src/test/ui/where-clauses/where-clause-constraints-are-local-for-trait-impl.stderr b/src/test/ui/where-clauses/where-clause-constraints-are-local-for-trait-impl.stderr
index 1a54ec2529122..97d651e0bec9f 100644
--- a/src/test/ui/where-clauses/where-clause-constraints-are-local-for-trait-impl.stderr
+++ b/src/test/ui/where-clauses/where-clause-constraints-are-local-for-trait-impl.stderr
@@ -1,12 +1,14 @@
error[E0277]: the trait bound `T: Copy` is not satisfied
--> $DIR/where-clause-constraints-are-local-for-trait-impl.rs:18:22
|
-LL | fn require_copy<T: Copy>(x: T) {}
- | ---- required by this bound in `require_copy`
-...
LL | require_copy(self.x);
| ^^^^^^ the trait `Copy` is not implemented for `T`
|
+note: required by a bound in `require_copy`
+ --> $DIR/where-clause-constraints-are-local-for-trait-impl.rs:1:20
+ |
+LL | fn require_copy<T: Copy>(x: T) {}
+ | ^^^^ required by this bound in `require_copy`
help: consider restricting type parameter `T`
|
LL | impl<T: std::marker::Copy> Foo<T> for Bar<T> {
diff --git a/src/test/ui/where-clauses/where-clauses-unsatisfied.stderr b/src/test/ui/where-clauses/where-clauses-unsatisfied.stderr
index 9e19b9a3b11c4..ba18119ff1b4f 100644
--- a/src/test/ui/where-clauses/where-clauses-unsatisfied.stderr
+++ b/src/test/ui/where-clauses/where-clauses-unsatisfied.stderr
@@ -1,11 +1,14 @@
error[E0277]: the trait bound `Struct: Eq` is not satisfied
--> $DIR/where-clauses-unsatisfied.rs:6:10
|
-LL | fn equal<T>(a: &T, b: &T) -> bool where T : Eq { a == b }
- | -- required by this bound in `equal`
-...
LL | drop(equal(&Struct, &Struct))
| ^^^^^ the trait `Eq` is not implemented for `Struct`
+ |
+note: required by a bound in `equal`
+ --> $DIR/where-clauses-unsatisfied.rs:1:45
+ |
+LL | fn equal<T>(a: &T, b: &T) -> bool where T : Eq { a == b }
+ | ^^ required by this bound in `equal`
error: aborting due to previous error