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Draft release notes for 1.87
#140133 opened Apr 21, 2025 by BoxyUwU
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10,279 Open 47,385 Closed
10,279 Open 47,385 Closed
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Issues list

reconsider "the way to run a crate's unit tests is x test <crate>" C-bug Category: This is a bug. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)
#140478 opened Apr 29, 2025 by jyn514
./x test --help --verbose is not very discoverable and may produce excess output (consider adding --list) C-enhancement Category: An issue proposing an enhancement or a PR with one. needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)
#140477 opened Apr 29, 2025 by lolbinarycat
Adding wasm32-unknown-unknown to a Rust toolchain compiled against a specific LLVM revision A-linkers Area: linkers... you gotta love linkers C-discussion Category: Discussion or questions that doesn't represent real issues. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)
#140473 opened Apr 29, 2025 by szilardszaloki
3
Tracking issue for release notes of #139916: make std::intrinsic functions actually be intrinsics needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. relnotes Marks issues that should be documented in the release notes of the next release. relnotes-tracking-issue Marks issues tracking what text to put in release notes. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#140472 opened Apr 29, 2025 by rustbot
Tracking issue for release notes of #140151: remove intrinsics::drop_in_place needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. relnotes Marks issues that should be documented in the release notes of the next release. relnotes-tracking-issue Marks issues tracking what text to put in release notes. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#140471 opened Apr 29, 2025 by rustbot
ICE：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) ❄️ 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.
#140469 opened Apr 29, 2025 by sososopy
Non-implemented trait causes ICE 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. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140462 opened Apr 29, 2025 by dpytaylo
@compiler-errors
1
LoongArch target features not supported by LLVM 19 are not handled properly A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. A-target-feature Area: Enabling/disabling target features like AVX, Neon, etc. C-bug Category: This is a bug. O-loongarch Target: LoongArch (LA32R, LA32S, LA64) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140455 opened Apr 29, 2025 by RalfJung
1
[Polonius] Timeout while compiling handcrafted example C-bug Category: This is a bug. needs-triage This issue may need triage. Remove it if it has been sufficiently triaged.
#140454 opened Apr 29, 2025 by usx95
significant mul_add perf regression since nightly-2025-03-06 C-bug Category: This is a bug. 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. regression-from-stable-to-nightly Performance or correctness regression from stable to nightly. T-libs Relevant to the library team, which will review and decide on the PR/issue.
#140452 opened Apr 29, 2025 by sarah-quinones
7
Make std functions patchable on unsupported platforms needs-triage This issue may need triage. Remove it if it has been sufficiently triaged.
#140451 opened Apr 29, 2025 by quininer
2
[ER] Better than the "unresolved import super::K" error message 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.
#140449 opened Apr 29, 2025 by leonardo-m
1
const_evaluatable_unchecked FCW applies to all kinds of const evaluation not just of repeat expr const args A-const-eval Area: Constant evaluation, covers all const contexts (static, const fn, ...) A-const-generics Area: const generics (parameters and arguments) A-diagnostics Area: Messages for errors, warnings, and lints C-bug Category: This is a bug. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140447 opened Apr 29, 2025 by BoxyUwU
1
@BoxyUwU
ICE: encountered type variable (2) C-bug Category: This is a bug. F-unboxed_closures `#![feature(unboxed_closures)]` 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.
#140443 opened Apr 29, 2025 by Danila-Bain
1
broken mir on async drop (-Zlint-mir) C-bug Category: This is a bug. F-async_drop Async drop 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.
#140429 opened Apr 29, 2025 by matthiaskrgr
2
async drop ice with partly dropped tuple C-bug Category: This is a bug. F-async_drop Async drop 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.
#140427 opened Apr 29, 2025 by matthiaskrgr
1
2
async drop cause ICE C-bug Category: This is a bug. F-async_drop Async drop 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.
#140426 opened Apr 29, 2025 by Sherlock-Holo
2
parallel rustc: async closures not reproducible A-async-closures `async || {}` A-parallel-compiler Area: parallel compiler A-reproducibility Area: Reproducible / deterministic builds C-bug Category: This is a bug. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140425 opened Apr 29, 2025 by matthiaskrgr
ICE in (25cdf1f67 2025-04-28) C-bug Category: This is a bug. F-async_drop 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. 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.
#140423 opened Apr 29, 2025 by Wyvern
1
Compiler unexpectedly panicked in std::sys::backtrace::BacktraceLock::print::DisplayBacktrace (on Mac and Linux) 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. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140421 opened Apr 29, 2025 by ShakenCodes
1
Tracking issue for release notes of #137280: stabilize ptr::swap_nonoverlapping in const needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. relnotes Marks issues that should be documented in the release notes of the next release. relnotes-tracking-issue Marks issues tracking what text to put in release notes. T-lang Relevant to the language team, which will review and decide on the PR/issue. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#140416 opened Apr 28, 2025 by rustbot
parallel rustc: static mut refs not reproducible A-parallel-compiler Area: parallel compiler A-reproducibility Area: Reproducible / deterministic builds C-bug Category: This is a bug. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140413 opened Apr 28, 2025 by matthiaskrgr
Regression in doctest compile_fail detection with global_asm! A-doctests Area: Documentation tests, run by rustdoc C-bug Category: This is a bug. regression-from-stable-to-nightly Performance or correctness regression from stable to nightly. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#140412 opened Apr 28, 2025 by ehuss
1
@fmease
Should Vec::as_ptr()/Vec::as_mut_ptr() return nullptr instead of the dangling value? C-discussion Category: Discussion or questions that doesn't represent real issues. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#140410 opened Apr 28, 2025 by cmazakas
2
uninterned StableCrateId: StableCrateId(0) C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ 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.
#140408 opened Apr 28, 2025 by fcoury
ProTip! Follow long discussions with comments:>50.