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Draft release notes for 1.87
#140133 opened Apr 21, 2025 by BoxyUwU
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10,258 Open 47,337 Closed
10,258 Open 47,337 Closed
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Issues list

Tracking issue for release notes of #139865: Stabilize proc_macro::Span::{start,end,line,column}. A-proc-macros Area: Procedural macros 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.
#140300 opened Apr 25, 2025 by rustbot
Building Rust with rpath disabled causes ~3k test failures in Cargo C-bug Category: This is a bug. 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)
#140299 opened Apr 25, 2025 by jchecahi
Tracking issue for release notes of #139224: fix(test): Expose '--no-capture' in favor of --nocapture A-compiletest Area: The compiletest test runner A-libtest Area: `#[test]` / the `test` library A-testsuite Area: The testsuite used to check the correctness of rustc 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.
#140296 opened Apr 25, 2025 by rustbot
Consistently print attribute paths A-attributes Area: Attributes (`#[…]`, `#![…]`)
#140294 opened Apr 25, 2025 by jdonszelmann
@jdonszelmann
1
Exception handling instructions emitted on wasm even when exception-handling feature is disabled C-bug Category: This is a bug. F-c_unwind `#![feature(c_unwind)]` needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. O-wasm Target: WASM (WebAssembly), http://webassembly.org/
#140293 opened Apr 25, 2025 by bjorn3
2
impl AsyncFn where AsyncFnMut is required leads to confusing internal_implementation_detail::AsyncFnKindHelper<i8> constraint requirement 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.
#140292 opened Apr 25, 2025 by dvdsk
2024 doctests don't show stdout when failing A-doctests Area: Documentation tests, run by rustdoc C-bug Category: This is a bug. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#140289 opened Apr 25, 2025 by GuillaumeGomez
1
@GuillaumeGomez
1
Advertise matches! as an alternative to PartialEq on E0369 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.
#140287 opened Apr 25, 2025 by lukaslueg
ICE: Special char (like RTL(U+202E)) in comment for value in vec! would cause ICE if not add #[allow(text_direction_codepoint_in_literal)] A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. A-macros Area: All kinds of macros (custom derive, macro_rules!, proc macros, ..) C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ L-text_direction_codepoint_in_literal Lint: text_direction_codepoint_in_literal T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140281 opened Apr 25, 2025 by wychlw
@matthewjasper
1
Lang proposal: Allow #[cfg(...)] within asm! A-inline-assembly Area: Inline assembly (`asm!(…)`) C-feature-request Category: A feature request, i.e: not implemented / a PR. I-lang-nominated Nominated for discussion during a lang team meeting. 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.
#140279 opened Apr 25, 2025 by tgross35
9
Path remapping ICE from unnecessary_transmutes suggestion A-diagnostics Area: Messages for errors, warnings, and lints A-path-remapping Area: path remapping, --remap-path-prefix, --remap-cwd-prefix, --remap-diagnostics-scope etc. A-suggestion-diagnostics Area: Suggestions generated by the compiler applied by `cargo fix` 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) ❄️ L-unnecessary_transmutes Lint: unnecessary_transmutes T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140277 opened Apr 25, 2025 by Wyvern
1
4
ICE: try_lower_anon_const_lit: received const param which shouldn't be possible with generic_const_exprs 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.
#140275 opened Apr 25, 2025 by wychlw
Precice capturing does not normalize aliases/projections (e.g. Self::Assoc) C-bug Category: This is a bug. needs-triage This issue may need triage. Remove it if it has been sufficiently triaged.
#140274 opened Apr 24, 2025 by QuineDot
Tracking issue for release notes of #137096: Stabilize flags for doctest cross compilation A-doctests Area: Documentation tests, run by rustdoc 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-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue. T-rustdoc-frontend Relevant to the rustdoc-frontend team, which will review and decide on the web UI/UX output.
#140270 opened Apr 24, 2025 by rustbot 1.88.0
Tracking Issue for #![feature(control_flow_ok)] 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.
#140266 opened Apr 24, 2025 by jogru0
3 tasks
@jogru0
1
Poor suggestion for async || {} in place of async {} A-async-await Area: Async & Await 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.
#140265 opened Apr 24, 2025 by meithecatte
1
Internal compiler error when building deno 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.
#140264 opened Apr 24, 2025 by Sol-Ell
Let chain error message with || is confusing and verbose A-diagnostics Area: Messages for errors, warnings, and lints D-confusing Diagnostics: Confusing error or lint that should be reworked. F-let_chains `#![feature(let_chains)]` T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140263 opened Apr 24, 2025 by ehuss
1
@Kivooeo
4
Unexpected "cannot infer type" A-diagnostics Area: Messages for errors, warnings, and lints A-inference Area: Type inference C-bug Category: This is a bug. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140262 opened Apr 24, 2025 by Spxg
1
Missing a trait import in doctests suggests importing from crate::<cratename> 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.
#140258 opened Apr 24, 2025 by ginnyTheCat
ICE: compiler/rustc_passes/src/check_attr.rs None A-attributes Area: Attributes (`#[…]`, `#![…]`) 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.
#140255 opened Apr 24, 2025 by matthiaskrgr
1
u16 format precision change, breach of the Rust stability guarantee A-fmt Area: `core::fmt` A-stability Area: `#[stable]`, `#[unstable]` etc. C-bug Category: This is a bug. I-libs-api-nominated Nominated for discussion during a libs-api team meeting. I-prioritize Issue: Indicates that prioritization has been requested for this issue. regression-untriaged Untriaged performance or correctness regression. T-libs Relevant to the library team, which will review and decide on the PR/issue.
#140250 opened Apr 24, 2025 by ijackson
4
Tracking issue for release notes of #138844: expand: Leave traces when expanding cfg attributes A-attributes Area: Attributes (`#[…]`, `#![…]`) 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-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140243 opened Apr 24, 2025 by rustbot 1.87.0
Tracking issue for release notes of #137517: Remove NtPat, NtMeta, and NtPath A-attributes Area: Attributes (`#[…]`, `#![…]`) A-proc-macros Area: Procedural macros 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-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140241 opened Apr 24, 2025 by rustbot 1.87.0
1
rustc does not suggest importing the old Range type A-diagnostics Area: Messages for errors, warnings, and lints A-suggestion-diagnostics Area: Suggestions generated by the compiler applied by `cargo fix` T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140240 opened Apr 24, 2025 by ShE3py
@mu001999
1
ProTip! Exclude everything labeled bug with -label:bug.