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Draft release notes for 1.87
#140133 opened Apr 21, 2025 by BoxyUwU
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10,278 Open 47,459 Closed
10,278 Open 47,459 Closed
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Issues list

pub use with glob import behaves differently when re-exported vs directly used C-bug Category: This is a bug. needs-triage This issue may need triage. Remove it if it has been sufficiently triaged.
#140694 opened May 6, 2025 by lalala-233
ICE: export stable: unreachable 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.
#140693 opened May 6, 2025 by matthiaskrgr
1
the compiler unexpectedly panicked. this is a bug 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.
#140691 opened May 6, 2025 by figo361
Attribute representation change in rustdoc JSON without version bump A-rustdoc-json Area: Rustdoc JSON backend C-bug Category: This is a bug. 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.
#140689 opened May 6, 2025 by obi1kenobi
1
release builds using rustc 1.86.0 on macOS Ventura (intel) SDK exhibit incorrect behaviour A-cross Area: Cross compilation 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 I-miscompile Issue: Correct Rust code lowers to incorrect machine code I-prioritize Issue: Indicates that prioritization has been requested for this issue. O-apple Operating system: Apple (macOS, iOS, tvOS, visionOS, watchOS) regression-untriaged Untriaged performance or correctness regression.
#140686 opened May 5, 2025 by spikegrobstein
3
ICE: in tokenstream with contracts in impl A-parser Area: The lexing & parsing of Rust source code to an AST C-bug Category: This is a bug. F-contracts `#![feature(contracts)]` 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.
#140683 opened May 5, 2025 by matthiaskrgr
1
Revisit the rust_test_helpers setup A-test-infra Area: test infrastructure (may span bootstrap/compiletest/more) A-testsuite Area: The testsuite used to check the correctness of rustc C-bug Category: This is a bug. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140680 opened May 5, 2025 by jieyouxu
GenericArg::Infer may be unreachable in rustdoc-types C-bug Category: This is a bug. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#140679 opened May 5, 2025 by fluiderson
SIGILL when compiling cc with -C instrument-coverage -Z coverage-options=mcdc A-code-coverage Area: Source-based code coverage (-Cinstrument-coverage) 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 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.
#140677 opened May 5, 2025 by esarver
5
Bootstrap tests fail when git_merge_commit_email in src/stage0 contains square brackets C-bug Category: This is a bug. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)
#140669 opened May 5, 2025 by japaric
1
Tracking Issue for VecDeque::truncate_front 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.
#140667 opened May 5, 2025 by vkrivopalov
2 of 4 tasks
Tracking issue for release notes of #140593: Temporary lifetime extension through tuple struct and tuple variant constructors 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.
#140666 opened May 5, 2025 by rustbot
Problems with dead code elimination with opt-level=s C-discussion Category: Discussion or questions that doesn't represent real issues.
#140665 opened May 5, 2025 by newpavlov
4
Coercing higher ranked associated functions into a function pointer requires wrapping in a closure C-bug Category: This is a bug. needs-triage This issue may need triage. Remove it if it has been sufficiently triaged.
#140663 opened May 5, 2025 by parrottq
1
sending a SIGSEGV via kill disables the stack overflow handler A-runtime Area: std's runtime and "pre-main" init for handling backtraces, unwinds, stack overflows C-bug Category: This is a bug. T-libs Relevant to the library team, which will review and decide on the PR/issue.
#140662 opened May 5, 2025 by joboet
Malformed suggestion for E0308 when macros are involved A-diagnostics Area: Messages for errors, warnings, and lints A-suggestion-diagnostics Area: Suggestions generated by the compiler applied by `cargo fix` D-invalid-suggestion Diagnostics: A structured suggestion resulting in incorrect code. E-needs-mcve Call for participation: This issue has a repro, but needs a Minimal Complete and Verifiable Example T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140659 opened May 5, 2025 by nagisa
consts in dead monomorphic async fn are never evaluated A-async-await Area: Async & Await A-const-eval Area: Constant evaluation, covers all const contexts (static, const fn, ...) C-bug Category: This is a bug. 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. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#140655 opened May 5, 2025 by moxian
1
PartialOrd does not mention it omits reflexivity A-docs Area: Documentation for any part of the project, including the compiler, standard library, and tools T-libs Relevant to the library team, which will review and decide on the PR/issue.
#140654 opened May 5, 2025 by Muon
Confusing error when a const contains a shared ref to interior mutable data A-const-eval Area: Constant evaluation, covers all const contexts (static, const fn, ...) C-bug Category: This is a bug. 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.
#140653 opened May 5, 2025 by RalfJung
4
rustc explain panics with error code longer than 4 digits A-diagnostics Area: Messages for errors, warnings, and lints C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ P-low Low priority T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140647 opened May 4, 2025 by chputnam
"Unused" associated type bounds in dyn no longer parameterize the type A-dyn-trait Area: trait objects, vtable layout C-bug Category: This is a bug. I-prioritize Issue: Indicates that prioritization has been requested for this issue. L-unused_associated_type_bounds Lint: unused_associated_type_bounds regression-from-stable-to-beta Performance or correctness regression from stable to beta. T-types Relevant to the types team, which will review and decide on the PR/issue.
#140645 opened May 4, 2025 by QuineDot
1
4
ICE: expected a const, but found a type A-const-generics Area: const generics (parameters and arguments) C-bug Category: This is a bug. F-min_generic_const_args `#![feature(min_generic_const_args)]` 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.
#140642 opened May 4, 2025 by matthiaskrgr
@BoxyUwU
1
Tracking issue for release notes of #134273: de-stabilize bench attribute 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.
#140629 opened May 3, 2025 by rustbot
OpenOptions::open InvalidInput error for read(true).create(true) is unclear (or check is redundant) A-docs Area: Documentation for any part of the project, including the compiler, standard library, and tools A-filesystem Area: `std::fs` T-libs Relevant to the library team, which will review and decide on the PR/issue.
#140621 opened May 3, 2025 by 0xdeafbeef
4
tests/ui/debuginfo/debuginfo-type-name-layout-ice-94961-2.rs emits "values of the type [u8; usize::MAX] are too big for the target architecture" differently A-debuginfo Area: Debugging information in compiled programs (DWARF, PDB, etc.) A-testsuite Area: The testsuite used to check the correctness of rustc C-bug Category: This is a bug. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140620 opened May 3, 2025 by jieyouxu
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