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Draft release notes for 1.87
#140133 opened Apr 21, 2025 by BoxyUwU
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Issues list

dangerous_implicit_autorefs suggestion is wrong A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. L-dangerous_implicit_autorefs Lint: dangerous_implicit_autorefs 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.
#140721 opened May 6, 2025 by wyfo
4
trivial_bounds lint lints on non-global associated type constraints A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. C-bug Category: This is a bug. F-trivial_bounds `#![feature(trivial_bounds)]` L-trivial_bounds Lint: trivial_bounds T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140311 opened Apr 25, 2025 by lcnr
Rustdoc should emit a warning if a main function is surrounded by non-items in a doctest A-doctests Area: Documentation tests, run by rustdoc A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. C-feature-request Category: A feature request, i.e: not implemented / a PR. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#140310 opened Apr 25, 2025 by GuillaumeGomez
1
@GuillaumeGomez
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
Tracking issue for release notes of #123239: Implement a lint for implicit autoref of raw pointer dereference - take 2 A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. 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.
#140050 opened Apr 19, 2025 by rustbot 1.88.0
ICE: upvar: assertion failed: 1 == 2 -Wrust-2021-incompatible-closure-captures A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ L-rust_2021_incompatible_closure_captures Lint: rust_2021_incompatible_closure_captures 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.
#140011 opened Apr 18, 2025 by matthiaskrgr
1
undefined symbol: __rustc::rust_begin_unwind when using panic="abort" A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. A-name-mangling Area: name mangling / decoration A-panic Area: Panicking machinery C-bug Category: This is a bug. C-future-incompatibility Category: Future-incompatibility lints T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#139923 opened Apr 16, 2025 by alexandruradovici
10
add an internal lint for nightly-channel-only features without a feature gate A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. A-stability Area: `#[stable]`, `#[unstable]` etc. C-enhancement Category: An issue proposing an enhancement or a PR with one. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#139892 opened Apr 16, 2025 by jyn514
6
ICE: failed to process buffered lint here (dummy = false) A-attributes Area: Attributes (`#[…]`, `#![…]`) A-cfg Area: `cfg` conditional compilation A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ S-bug-has-test Status: This bug is tracked inside the repo by a `known-bug` test. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#139825 opened Apr 14, 2025 by matthiaskrgr
3
Lint on inline modules module if there also exists a file at path ./module.rs or ./module/mod.rs A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. C-feature-request Category: A feature request, i.e: not implemented / a PR. 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.
#139685 opened Apr 11, 2025 by iyernaveenr
8
cargo fix --edition failed: error: expected item after attributes A-edition-2024 Area: The 2024 edition 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. D-invalid-suggestion Diagnostics: A structured suggestion resulting in incorrect code. F-precise_capturing `#![feature(precise_capturing)]` T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#139567 opened Apr 9, 2025 by eval-exec
Stack overflow while running rust program A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. C-enhancement Category: An issue proposing an enhancement or a PR with one. L-false-negative Lint: False negative (should have fired but didn't). L-unconditional_recursion Lint: unconditional_recursion T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#139187 opened Mar 31, 2025 by Harshit933
6
private_bounds: false negative on trait impl A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. C-bug Category: This is a bug. L-false-negative Lint: False negative (should have fired but didn't). L-private_bounds Lint: private_bounds T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#139159 opened Mar 30, 2025 by Kyuuhachi
private_bounds: false positive on inherent impl with no public items A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. C-bug Category: This is a bug. L-false-positive Lint: False positive (should not have fired). L-private_bounds Lint: private_bounds T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#139158 opened Mar 30, 2025 by Kyuuhachi
Disappearing error in Rust 1.74 A-diagnostics Area: Messages for errors, warnings, and lints A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. 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.
#138982 opened Mar 26, 2025 by jonathanpallant
3
Undefined lints scoped under rustc don't result in lint unknown-lints getting emitted (unless -Zunstable-options is passed) A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. C-bug Category: This is a bug. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#138788 opened Mar 21, 2025 by fmease
3
Arguably-internal lint scope rustc isn't protected by a feature gate A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. C-bug Category: This is a bug. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#138787 opened Mar 21, 2025 by fmease
1
unused_qualifications lint confused by pub use Foo::* A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. C-bug Category: This is a bug. L-unused_qualifications Lint: unused_qualifications T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#138770 opened Mar 21, 2025 by nnethercote
lint/tidy check imports of rustc_type_ir and rustc_middle A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. C-cleanup Category: PRs that clean code up or issues documenting cleanup. E-help-wanted Call for participation: Help is requested to fix this issue. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#138449 opened Mar 13, 2025 by lcnr
unused_assignments lint has trouble tracking that one match guard observes assignment from another match guard. A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. A-patterns Relating to patterns and pattern matching C-bug Category: This is a bug. L-false-positive Lint: False positive (should not have fired). L-unused_assignments Lint: unused_assignments T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#138069 opened Mar 5, 2025 by pnkfelix
2
Lint on black_boxing ZSTs A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. A-zst Area: Zero-sized types (ZSTs). C-enhancement Category: An issue proposing an enhancement or a PR with one. E-medium Call for participation: Medium difficulty. Experience needed to fix: Intermediate. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#137658 opened Feb 26, 2025 by tgross35
@obeis
5
missing_docs triggers for integration tests A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. C-discussion Category: Discussion or questions that doesn't represent real issues. L-missing_docs Lint: missing_docs T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#137561 opened Feb 24, 2025 by tv42
9
private_bounds lint does not trigger when associated type is not re-exported A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. C-bug Category: This is a bug. L-private_bounds Lint: private_bounds T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#137438 opened Feb 22, 2025 by paolobarbolini
false positive for if-let-rescope on enums when the pattern exhaustively matches all cases with significant-drop fields A-diagnostics Area: Messages for errors, warnings, and lints A-edition-2024 Area: The 2024 edition A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. C-enhancement Category: An issue proposing an enhancement or a PR with one. I-edition-triaged Issue: This issue has been reviewed and triaged by the Edition team. L-false-positive Lint: False positive (should not have fired). L-if_let_rescope Lint: if_let_rescope T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#137376 opened Feb 21, 2025 by steffahn
4
private_macro_use warning needs more information A-diagnostics Area: Messages for errors, warnings, and lints A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. D-terse Diagnostics: An error or lint that doesn't give enough information about the problem at hand. L-private_macro_use Lint: private_macro_use T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#136820 opened Feb 10, 2025 by axos88
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