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popey456963 opened this issue May 1, 2021 · 2 comments
Closed

assertion failed: (left == right) #84800

popey456963 opened this issue May 1, 2021 · 2 comments
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C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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@popey456963
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Code

use hyper::service::{make_service_fn, service_fn};
use hyper::{Body, Method, Request, Response, Server, StatusCode};

/// This is our service handler. It receives a Request, routes on its
/// path, and returns a Future of a Response.
async fn echo(req: Request<Body>) -> Result<Response<Body>, hyper::Error> {
    match req.method() {
        &Method::GET | &Method::HEAD | &Method::OPTIONS => Ok(Response::new(Body::from(
            "hello"
        ))),

        _ => {
            let mut not_found = Response::default();
            *not_found.status_mut() = StatusCode::NOT_FOUND;
            Ok(not_found)
        }
    }
}

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
    let addr = ([127, 0, 0, 1], 8080).into();

    let service = make_service_fn(|_| async { Ok::<_, hyper::Error>(service_fn(echo)) });

    let server = Server::bind(&addr).serve(service);

    println!("Listening on http://{}", addr);

    server.await?;

    Ok(())
}

Meta

rustc --version --verbose:

rustc 1.53.0-nightly (42816d61e 2021-04-24)
binary: rustc
commit-hash: 42816d61ead7e46d462df997958ccfd514f8c21c
commit-date: 2021-04-24
host: x86_64-pc-windows-msvc
release: 1.53.0-nightly
LLVM version: 12.0.0

Error output

[Running 'cargo run']
   Compiling rust-web-cache v0.1.0 (C:\Users\Alexander\Documents\GitHub\rust-web-cache)
thread 'rustc' panicked at 'assertion failed: `(left == right)`
  left: `Some(Fingerprint(5470276718078248376, 15374897831268093844))`,
 right: `Some(Fingerprint(9529934247628153318, 14312929490556852544))`: found unstable fingerprints for predicates_of(core[d23b]::marker::Sync): GenericPredicates { parent: None, predicates: [(Binder(TraitPredicate(<Self as std::marker::Sync>), []), C:\Users\Alexander\.rustup\toolchains\nightly-x86_64-pc-windows-msvc\lib/rustlib/src/rust\library\core\src\marker.rs:469:1: 469:27 (#0))] }', /rustc/42816d61ead7e46d462df997958ccfd514f8c21c\compiler\rustc_query_system\src\query\plumbing.rs:593:5
stack backtrace:
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.

error: internal compiler error: unexpected panic

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

note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md

note: rustc 1.53.0-nightly (42816d61e 2021-04-24) running on x86_64-pc-windows-msvc

note: compiler flags: -C embed-bitcode=no -C debuginfo=2 -C incremental --crate-type bin

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

query stack during panic:
#0 [predicates_of] computing predicates of `std::marker::Sync`
#1 [object_safety_violations] determine object safety of trait `std::marker::Sync`
#2 [check_item_well_formed] checking that `main` is well-formed
#3 [analysis] running analysis passes on this crate
end of query stack
error: could not compile `rust-web-cache`

To learn more, run the command again with --verbose.
[Finished running. Exit status: 0]
@popey456963 popey456963 added C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels May 1, 2021
@popey456963
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No such error on stable.

@Aaron1011
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Duplicate of #84341. This is fixed in the latest nightly

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C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
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