Running clippy on remoc master causes an ICE

[surban]

Summary

Running clippy on remoc master causes an ICE.

git clone https://github.com/ENQT-GmbH/remoc.git
cd remoc
cargo clippy

Version

rustc 1.80.0 (051478957 2024-07-21)
binary: rustc
commit-hash: 051478957371ee0084a7c0913941d2a8c4757bb9
commit-date: 2024-07-21
host: x86_64-unknown-linux-gnu
release: 1.80.0
LLVM version: 18.1.7

Error output

Backtrace

  Checking remoc v0.14.0-pre1 (/data/surban/dev/remoc/remoc)
thread 'rustc' panicked at compiler/rustc_middle/src/ty/sty.rs:360:36:
called `Option::unwrap()` on a `None` value
stack backtrace:
 0:     0x7bd4be3dcf05 - std::backtrace_rs::backtrace::libunwind::trace::h58eed11393533053
                             at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
 1:     0x7bd4be3dcf05 - std::backtrace_rs::backtrace::trace_unsynchronized::h6af9bae28ebb6388
                             at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
 2:     0x7bd4be3dcf05 - std::sys_common::backtrace::_print_fmt::hb6748916642a4fb2
                             at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/sys_common/backtrace.rs:68:5
 3:     0x7bd4be3dcf05 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3692694645b1bb6a
                             at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/sys_common/backtrace.rs:44:22
 4:     0x7bd4be42dc4b - core::fmt::rt::Argument::fmt::h7aa93977ba74ae0f
                             at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/core/src/fmt/rt.rs:165:63
 5:     0x7bd4be42dc4b - core::fmt::write::h5131d80b4c69b88d
                             at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/core/src/fmt/mod.rs:1168:21
 6:     0x7bd4be3d1bdf - std::io::Write::write_fmt::h1fb327a7d8b0eb36
                             at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/io/mod.rs:1835:15
 7:     0x7bd4be3dccde - std::sys_common::backtrace::_print::he6ebb7b9d89f4456
                             at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/sys_common/backtrace.rs:47:5
 8:     0x7bd4be3dccde - std::sys_common::backtrace::print::h998d75b840f75a73
                             at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/sys_common/backtrace.rs:34:9
 9:     0x7bd4be3df719 - std::panicking::default_hook::{{closure}}::h18ec7fe6a38b9da0
10:     0x7bd4be3df4ba - std::panicking::default_hook::hfb3f22c2e4075a6a
                             at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/panicking.rs:298:9
11:     0x7bd4bae1e731 - std[dece285a2424a0b]::panicking::update_hook::<alloc[1cfb511ed242f20]::boxed::Box<rustc_driver_impl[aab422d80b3fe9fb]::install_ice_hook::{closure#0}>>::{closure#0}
12:     0x7bd4be3dfe4b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb8210adad49183e7
                             at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/alloc/src/boxed.rs:2077:9
13:     0x7bd4be3dfe4b - std::panicking::rust_panic_with_hook::h51af00bcb4660c4e
                             at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/panicking.rs:799:13
14:     0x7bd4be3dfb8b - std::panicking::begin_panic_handler::{{closure}}::h39f76aa863fbe8ce
                             at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/panicking.rs:656:13
15:     0x7bd4be3dd3c9 - std::sys_common::backtrace::__rust_end_short_backtrace::h4d10fc2251b89840
                             at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/sys_common/backtrace.rs:171:18
16:     0x7bd4be3df8f7 - rust_begin_unwind
                             at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/panicking.rs:652:5
17:     0x7bd4be42a1e3 - core::panicking::panic_fmt::h319840fcbcd912ef
                             at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/core/src/panicking.rs:72:14
18:     0x7bd4be42a28c - core::panicking::panic::h19def44c80243eda
                             at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/core/src/panicking.rs:146:5
19:     0x7bd4be429f29 - core::option::unwrap_failed::h9b45086d3ec3e03c
                             at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/core/src/option.rs:1985:5
20:     0x7bd4bd97fa66 - <rustc_middle[806dc37a95cc1433]::ty::sty::ParamConst>::find_ty_from_env.cold
21:     0x7bd4b8f875f6 - <rustc_trait_selection[cda064f81387dfd5]::traits::select::SelectionContext>::evaluate_trait_predicate_recursively::{closure#0}::{closure#1}
22:     0x7bd4bc5cd2f4 - <rustc_trait_selection[cda064f81387dfd5]::traits::select::SelectionContext>::evaluate_predicate_recursively::{closure#0}::{closure#0}
23:     0x7bd4bc5ca127 - rustc_traits[66c1877d4751bfbe]::evaluate_obligation::evaluate_obligation
24:     0x7bd4bc5c9931 - rustc_query_impl[e1fdd24b038f677d]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[e1fdd24b038f677d]::query_impl::evaluate_obligation::dynamic_query::{closure#2}::{closure#0}, rustc_middle[806dc37a95cc1433]::query::erase::Erased<[u8; 2usize]>>
25:     0x7bd4bc5c6f2f - rustc_query_system[181e9214754b2580]::query::plumbing::try_execute_query::<rustc_query_impl[e1fdd24b038f677d]::DynamicConfig<rustc_query_system[181e9214754b2580]::query::caches::DefaultCache<rustc_type_ir[36ccb15e4f0157a5]::canonical::Canonical<rustc_middle[806dc37a95cc1433]::ty::context::TyCtxt, rustc_middle[806dc37a95cc1433]::ty::ParamEnvAnd<rustc_middle[806dc37a95cc1433]::ty::predicate::Predicate>>, rustc_middle[806dc37a95cc1433]::query::erase::Erased<[u8; 2usize]>>, false, false, false>, rustc_query_impl[e1fdd24b038f677d]::plumbing::QueryCtxt, true>
26:     0x7bd4bc5c6225 - rustc_query_impl[e1fdd24b038f677d]::query_impl::evaluate_obligation::get_query_incr::__rust_end_short_backtrace
27:     0x7bd4b8fafa37 - <rustc_infer[e55612a998a1f7da]::infer::InferCtxt as rustc_trait_selection[cda064f81387dfd5]::traits::query::evaluate_obligation::InferCtxtExt>::evaluate_obligation
28:     0x56339489adb3 - clippy_utils[ace30f5cb087adc8]::ty::implements_trait
29:     0x563394639d62 - clippy_lints[8252afea1b446f3f]::doc::missing_headers::check
30:     0x56339463ab0d - <clippy_lints[8252afea1b446f3f]::doc::Documentation as rustc_lint[b2e651ff57335b0f]::passes::LateLintPass>::check_attributes
31:     0x7bd4bb1d2b6c - <rustc_lint[b2e651ff57335b0f]::late::LateContextAndPass<rustc_lint[b2e651ff57335b0f]::late::RuntimeCombinedLateLintPass> as rustc_hir[2759933e01316c52]::intravisit::Visitor>::visit_nested_item
32:     0x7bd4bb1d1e98 - <rustc_lint[b2e651ff57335b0f]::late::LateContextAndPass<rustc_lint[b2e651ff57335b0f]::late::RuntimeCombinedLateLintPass> as rustc_hir[2759933e01316c52]::intravisit::Visitor>::visit_nested_item
33:     0x7bd4bb1d1e98 - <rustc_lint[b2e651ff57335b0f]::late::LateContextAndPass<rustc_lint[b2e651ff57335b0f]::late::RuntimeCombinedLateLintPass> as rustc_hir[2759933e01316c52]::intravisit::Visitor>::visit_nested_item
34:     0x7bd4bb1d1e98 - <rustc_lint[b2e651ff57335b0f]::late::LateContextAndPass<rustc_lint[b2e651ff57335b0f]::late::RuntimeCombinedLateLintPass> as rustc_hir[2759933e01316c52]::intravisit::Visitor>::visit_nested_item
35:     0x7bd4bcc0658d - rustc_lint[b2e651ff57335b0f]::late::check_crate
36:     0x7bd4bcc0a974 - rustc_interface[e93a829871290abb]::passes::analysis
37:     0x7bd4bcc09ae5 - rustc_query_impl[e1fdd24b038f677d]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[e1fdd24b038f677d]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[806dc37a95cc1433]::query::erase::Erased<[u8; 1usize]>>
38:     0x7bd4bd128b75 - rustc_query_system[181e9214754b2580]::query::plumbing::try_execute_query::<rustc_query_impl[e1fdd24b038f677d]::DynamicConfig<rustc_query_system[181e9214754b2580]::query::caches::SingleCache<rustc_middle[806dc37a95cc1433]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[e1fdd24b038f677d]::plumbing::QueryCtxt, true>
39:     0x7bd4bd1287b8 - rustc_query_impl[e1fdd24b038f677d]::query_impl::analysis::get_query_incr::__rust_end_short_backtrace
40:     0x7bd4bce2b7cd - rustc_interface[e93a829871290abb]::interface::run_compiler::<core[8d9e01cfbf9cd659]::result::Result<(), rustc_span[6fd0e9f3c9cf86ed]::ErrorGuaranteed>, rustc_driver_impl[aab422d80b3fe9fb]::run_compiler::{closure#0}>::{closure#1}
41:     0x7bd4bcf3cc69 - std[dece285a2424a0b]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[e93a829871290abb]::util::run_in_thread_with_globals<rustc_interface[e93a829871290abb]::interface::run_compiler<core[8d9e01cfbf9cd659]::result::Result<(), rustc_span[6fd0e9f3c9cf86ed]::ErrorGuaranteed>, rustc_driver_impl[aab422d80b3fe9fb]::run_compiler::{closure#0}>::{closure#1}, core[8d9e01cfbf9cd659]::result::Result<(), rustc_span[6fd0e9f3c9cf86ed]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[8d9e01cfbf9cd659]::result::Result<(), rustc_span[6fd0e9f3c9cf86ed]::ErrorGuaranteed>>
42:     0x7bd4bcf3ca6a - <<std[dece285a2424a0b]::thread::Builder>::spawn_unchecked_<rustc_interface[e93a829871290abb]::util::run_in_thread_with_globals<rustc_interface[e93a829871290abb]::interface::run_compiler<core[8d9e01cfbf9cd659]::result::Result<(), rustc_span[6fd0e9f3c9cf86ed]::ErrorGuaranteed>, rustc_driver_impl[aab422d80b3fe9fb]::run_compiler::{closure#0}>::{closure#1}, core[8d9e01cfbf9cd659]::result::Result<(), rustc_span[6fd0e9f3c9cf86ed]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[8d9e01cfbf9cd659]::result::Result<(), rustc_span[6fd0e9f3c9cf86ed]::ErrorGuaranteed>>::{closure#2} as core[8d9e01cfbf9cd659]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
43:     0x7bd4be3e9e3b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3af90da315d4b185
                             at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/alloc/src/boxed.rs:2063:9
44:     0x7bd4be3e9e3b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4e7f3b3405b4b88b
                             at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/alloc/src/boxed.rs:2063:9
45:     0x7bd4be3e9e3b - std::sys::pal::unix::thread::Thread::new::thread_start::h3b8e81128811868f
                             at /rustc/051478957371ee0084a7c0913941d2a8c4757bb9/library/std/src/sys/pal/unix/thread.rs:108:17
46:     0x7bd4b7a94ac3 - start_thread
                             at ./nptl/pthread_create.c:442:8
47:     0x7bd4b7b26850 - __GI___clone3
                             at ./misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
48:                0x0 - <unknown>

error: the compiler unexpectedly panicked. this is a bug.

note: we would appreciate a bug report: https://github.com/rust-lang/rust-clippy/issues/new?template=ice.yml

note: rustc 1.80.0 (051478957 2024-07-21) running on x86_64-unknown-linux-gnu

note: compiler flags: --crate-type lib -C embed-bitcode=no -C debuginfo=2 -C incremental=[REDACTED]

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
#0 [evaluate_obligation] evaluating trait selection obligation `rch::oneshot::receiver::Receiver<T, Codec, NEW_MAX_ITEM_SIZE>: core::future::future::Future`
#1 [analysis] running analysis passes on this crate
end of query stack
note: Clippy version: clippy 0.1.80 (0514789 2024-07-21)

error: could not compile `remoc` (lib)

[flip1995]

Backtrace looks similar to #10374, but that doesn't mean that they're necessarily are related.

[matthiaskrgr]

This is / was known rustc bug :)
https://github.com/rust-lang/rust/issues?q=is%3Aissue+%22compiler%2Frustc_middle%2Fsrc%2Fty%2Fsty.rs%22+%22Option%3A%3ANone%22

I think this should be fixed in latest nightly?

[samueltardieu]

This seems fixed in Rust 1.86 (beta), but not in 1.85.1.