Skip to content

Issues: rust-lang/rust

Beta
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

10,372 Open 47,573 Closed
10,372 Open 47,573 Closed
Author
Filter by author
Loading
Label
Filter by label
Loading
Use alt + click/return to exclude labels
or ⇧ + click/return for logical OR
Projects
Filter by project
Loading
Milestones
Filter by milestone
Loading
Assignee
Filter by who’s assigned
Sort
Sort by
Newest Oldest Most commented Least commented Recently updated Least recently updated Best match
Most reactions
👍 👎 😄 🎉 😕 ❤️ 🚀 👀

Issues list

1.87 build fails with LLVM 19 needs-triage This issue may need triage. Remove it if it has been sufficiently triaged.
#141353 opened May 21, 2025 by bbhtt
Diagnostic assumes that braced unresolved identifiers are formatting arguments A-diagnostics Area: Messages for errors, warnings, and lints A-resolve Area: Name/path resolution done by `rustc_resolve` specifically D-incorrect Diagnostics: A diagnostic that is giving misleading or incorrect information. D-papercut Diagnostics: An error or lint that needs small tweaks. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141350 opened May 21, 2025 by fmease
@xizheyin
5
Debugger step-over runs backward A-debuginfo Area: Debugging information in compiled programs (DWARF, PDB, etc.) C-bug Category: This is a bug. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141344 opened May 21, 2025 by vlad20012
1
1
Possible regression for ui/match/issue-114691.rs C-bug Category: This is a bug. needs-triage This issue may need triage. Remove it if it has been sufficiently triaged.
#141340 opened May 21, 2025 by lewis1revill
Tracking issue for the define_in_every_cgu_used feature A-attributes Area: Attributes (`#[…]`, `#![…]`) A-codegen Area: Code generation A-linkage Area: linking into static, shared libraries and binaries C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#141339 opened May 21, 2025 by jbatez
5 tasks
5
type inference failure confusing diagnostic let Some(x) = None for [u8] A-diagnostics Area: Messages for errors, warnings, and lints A-inference Area: Type inference D-confusing Diagnostics: Confusing error or lint that should be reworked. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141336 opened May 21, 2025 by midnightveil
5
Unexpected type inference failure when comparing Vec::<T>::new() to an empty array [] A-inference Area: Type inference C-discussion Category: Discussion or questions that doesn't represent real issues. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141329 opened May 21, 2025 by 623637646
1
async drop cause ICE with broken MIR in Item C-bug Category: This is a bug. E-needs-mcve Call for participation: This issue has a repro, but needs a Minimal Complete and Verifiable Example F-async_drop `#![feature(async_drop)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141327 opened May 21, 2025 by Sherlock-Holo
1
Next solver: ICE: Didn't expect to assemble trait candidate from […] NestedNormalizationGoals A-trait-system Area: Trait system C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ requires-nightly This issue requires a nightly compiler in some way. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-types Relevant to the types team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#141322 opened May 21, 2025 by Josh194
@compiler-errors
1
GVN misunderstands aliasing, can create overlapping assignments (again) A-mir-opt Area: MIR optimizations A-mir-opt-GVN Area: MIR opt Global Value Numbering (GVN) A-rustlantis A miscompilation found by Rustlantis C-bug Category: This is a bug. I-miscompile Issue: Correct Rust code lowers to incorrect machine code I-unsound Issue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness P-medium Medium priority T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141313 opened May 20, 2025 by saethlin
@dianqk
2
When LTO is enabled, miscompiles (x86_64-apple-darwin, at least) and failures to link due to unknown relocation type in switch tables (AArch64 Linux/Android, at least) C-bug Category: This is a bug. E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc E-needs-mcve Call for participation: This issue has a repro, but needs a Minimal Complete and Verifiable Example needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. P-critical Critical priority regression-untriaged Untriaged performance or correctness regression. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141306 opened May 20, 2025 by briansmith
6
compiler panic - name of non-Rpitit assoc item C-bug Category: This is a bug. E-needs-mcve Call for participation: This issue has a repro, but needs a Minimal Complete and Verifiable Example I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141304 opened May 20, 2025 by TeamDman
7
Compiler unexpectedly paniced - Ark curves C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ needs-triage This issue may need triage. Remove it if it has been sufficiently triaged.
#141302 opened May 20, 2025 by Sydnie-Shea
1
doc_auto_cfg no longer applies a cfg badge to certain inlined cross-crate re-exported items with a #[cfg] A-cfg Area: `cfg` conditional compilation A-cross-crate-reexports Area: Documentation that has been re-exported from a different crate C-bug Category: This is a bug. F-doc_auto_cfg `#![feature(doc_auto_cfg)]` S-has-bisection Status: A bisection has been found for this issue S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#141301 opened May 20, 2025 by epage
6
sys::thread_local::key::tests::destructors fails under x86 Windows 7 A-atomic Area: Atomics, barriers, and sync primitives A-destructors Area: Destructors (`Drop`, …) A-testsuite Area: The testsuite used to check the correctness of rustc A-thread-locals Area: Thread local storage (TLS) C-bug Category: This is a bug. O-windows-7 OS: Windows 7 or Windows Server 2008 R2 or etc. O-windows-msvc Toolchain: MSVC, Operating system: Windows O-x86_32 Target: x86 processors, 32 bit (like i686-*) (IA-32) P-low Low priority regression-from-stable-to-beta Performance or correctness regression from stable to beta. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-libs Relevant to the library team, which will review and decide on the PR/issue.
#141300 opened May 20, 2025 by PaulDance
6
Tracking Issue for std::os::unix::process::CommandExt::chroot C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC S-tracking-unimplemented Status: The feature has not been implemented. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#141298 opened May 20, 2025 by joshtriplett
1 of 4 tasks
Slow and memory-intensive compilation with debug symbols A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. C-bug Category: This is a bug. I-slow Issue: Problems and improvements with respect to performance of generated code. needs-triage This issue may need triage. Remove it if it has been sufficiently triaged.
#141297 opened May 20, 2025 by speshuric
6
ICE: late-bound type parameter not allowed on function pointer types C-bug Category: This is a bug. F-unsafe_binders `#![feature(unsafe_binders)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141293 opened May 20, 2025 by matthiaskrgr
3
1.87 Regression: s390x-unknown-linux-gnu release build gets stuck C-bug Category: This is a bug. E-needs-mcve Call for participation: This issue has a repro, but needs a Minimal Complete and Verifiable Example I-prioritize Issue: Indicates that prioritization has been requested for this issue. needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. O-SystemZ Target: SystemZ processors (s390x) regression-untriaged Untriaged performance or correctness regression. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141287 opened May 20, 2025 by konstin
6
Diverging expression not detected inside a while condition C-bug Category: This is a bug. needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#141274 opened May 20, 2025 by theemathas
2
Opaque Future Type crashed compiler :) Called Option::unwrap() on a None value C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ S-needs-info Status: The issue lacks details necessary to triage or act on it. S-needs-repro Status: This issue has no reproduction and needs a reproduction to make progress. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141268 opened May 20, 2025 by Token-Thinker
3
ICE: path resolved multiple times C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ S-has-bisection Status: A bisection has been found for this issue S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141265 opened May 19, 2025 by matthiaskrgr
1
@dianne
3
&raw const some_union.field erroneously requires unsafe C-discussion Category: Discussion or questions that doesn't represent real issues. needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. T-opsem Relevant to the opsem team
#141264 opened May 19, 2025 by kupiakos
2
unexpected behaviour for Vec<u8> index access in certain situation S-needs-info Status: The issue lacks details necessary to triage or act on it. S-needs-repro Status: This issue has no reproduction and needs a reproduction to make progress.
#141263 opened May 19, 2025 by Rajakenhd
1
Identify which tuple item fails to implement a trait when using fake variadics A-diagnostics Area: Messages for errors, warnings, and lints T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141258 opened May 19, 2025 by alice-i-cecile
1
ProTip! Mix and match filters to narrow down what you’re looking for.