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Issues list

Precise captures in ITIAT are not refining A-impl-trait Area: `impl Trait`. Universally / existentially quantified anonymous types with static dispatch. A-lifetimes Area: Lifetimes / regions A-trait-system Area: Trait system C-bug Category: This is a bug. F-impl_trait_in_assoc_type `#![feature(impl_trait_in_assoc_type)]` requires-nightly This issue requires a nightly compiler in some way. S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue T-types Relevant to the types team, which will review and decide on the PR/issue.
#135144 opened Jan 6, 2025 by QuineDot
2
RPIT associated type lifetime bound is ignored A-associated-items Area: Associated items (types, constants & functions) A-impl-trait Area: `impl Trait`. Universally / existentially quantified anonymous types with static dispatch. A-lifetimes Area: Lifetimes / regions C-bug Category: This is a bug. S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue T-types Relevant to the types team, which will review and decide on the PR/issue.
#135006 opened Jan 1, 2025 by LHolten
1
@compiler-errors
2
Incorrect diagnostic error[E0309]: the parameter type T may not live long enough, suggests duplicate bound A-diagnostics Area: Messages for errors, warnings, and lints A-impl-trait Area: `impl Trait`. Universally / existentially quantified anonymous types with static dispatch. A-lifetimes Area: Lifetimes / regions A-trait-system Area: Trait system D-invalid-suggestion Diagnostics: A structured suggestion resulting in incorrect code. 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.
#133943 opened Dec 6, 2024 by kosayoda
2
Scrutinee dropped after if-let body A-lifetimes Area: Lifetimes / regions C-discussion Category: Discussion or questions that doesn't represent real issues. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#133677 opened Nov 30, 2024 by Aquam4n
7
Mixing 'static and 'this with iterators or vectors doesn't correctly shorten lifetime to the workable shorter version. A-lifetimes Area: Lifetimes / regions C-bug Category: This is a bug. 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.
#132291 opened Oct 28, 2024 by VorpalBlade
Overly restrictive lifetime in std::panic::Location::file A-lifetimes Area: Lifetimes / regions A-panic Area: Panicking machinery T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#131770 opened Oct 16, 2024 by ijchen
1
@ijchen
5
Adding explicit lifetimes causes compilation error A-async-await Area: Async & Await A-lifetimes Area: Lifetimes / regions C-discussion Category: Discussion or questions that doesn't represent real issues.
#131336 opened Oct 6, 2024 by varqox
3
GAT type Assoc<T: ?Sized> implicitly requires Self to be 'static A-borrow-checker Area: The borrow checker A-diagnostics Area: Messages for errors, warnings, and lints A-lifetimes Area: Lifetimes / regions A-trait-objects Area: trait objects, vtable layout D-terse Diagnostics: An error or lint that doesn't give enough information about the problem at hand. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#131008 opened Sep 29, 2024 by Veetaha
4
Unhelpful error message "ambiguous lifetime bound, explicit lifetime bound required" A-diagnostics Area: Messages for errors, warnings, and lints A-lifetimes Area: Lifetimes / regions A-trait-objects Area: trait objects, vtable layout D-terse Diagnostics: An error or lint that doesn't give enough information about the problem at hand. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#130952 opened Sep 27, 2024 by oberien
1
ICE: "error performing operation: fully_perform" on type inference for trait object with HRTB over GAT A-GATs Area: Generic associated types (GATs) A-higher-ranked Area: Higher-ranked things (e.g., lifetimes, types, trait bounds aka HRTBs) A-lifetimes Area: Lifetimes / regions A-trait-objects Area: trait objects, vtable layout A-trait-system Area: Trait system C-bug Category: This is a bug. fixed-by-next-solver Fixed by the next-generation trait solver, `-Znext-solver`. 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.
#130797 opened Sep 24, 2024 by arvidfm
1
Compiler freezes on trait with generic associated type A-associated-items Area: Associated items (types, constants & functions) A-GATs Area: Generic associated types (GATs) A-lifetimes Area: Lifetimes / regions A-trait-system Area: Trait system C-bug Category: This is a bug. fixed-by-next-solver Fixed by the next-generation trait solver, `-Znext-solver`. I-hang Issue: The compiler never terminates, due to infinite loops, deadlock, livelock, etc. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#130640 opened Sep 20, 2024 by antonilol
1
ICE: broken MIR: NoSolution on HRTB over GAT in trait object A-GATs Area: Generic associated types (GATs) A-higher-ranked Area: Higher-ranked things (e.g., lifetimes, types, trait bounds aka HRTBs) A-lifetimes Area: Lifetimes / regions A-trait-objects Area: trait objects, vtable layout A-trait-system Area: Trait system C-bug Category: This is a bug. fixed-by-next-solver Fixed by the next-generation trait solver, `-Znext-solver`. 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.
#130524 opened Sep 18, 2024 by arvidfm
3
Error on bounds for unused lifetime A-lifetimes Area: Lifetimes / regions C-bug Category: This is a bug. P-low Low priority regression-from-stable-to-stable Performance or correctness regression from one stable version to another. T-types Relevant to the types team, which will review and decide on the PR/issue.
#130014 opened Sep 6, 2024 by Coder-256
3
ICE: symbol-mangling-version=v0 attempt to subtract with overflow A-lifetimes Area: Lifetimes / regions C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ P-medium Medium priority T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#130011 opened Sep 6, 2024 by dtolnay
5
rustdoc type-based seach: allow search by lifetime parameters A-lifetimes Area: Lifetimes / regions A-rustdoc-search Area: Rustdoc's search feature 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.
#129160 opened Aug 16, 2024 by lolbinarycat
RFC #1733 (Trait Aliases): use of lifetime parameter in trait alias not detected A-lifetimes Area: Lifetimes / regions A-trait-objects Area: trait objects, vtable layout C-bug Category: This is a bug. F-trait_alias `#![feature(trait_alias)]` 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.
#127725 opened Jul 14, 2024 by ilonachan
2
Implementing Copy can be a breaking change A-borrow-checker Area: The borrow checker A-lifetimes Area: Lifetimes / regions A-trait-system Area: Trait system C-bug Category: This is a bug. T-types Relevant to the types team, which will review and decide on the PR/issue.
#126179 opened Jun 9, 2024 by Jules-Bertholet
11
Suboptimal interaction between lifetime oriented and value oriented type system in the presence of closures. A-lifetimes Area: Lifetimes / regions C-discussion Category: Discussion or questions that doesn't represent real issues. S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue T-lang Relevant to the language 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.
#125250 opened May 18, 2024 by gl-yziquel
1
HashMap struct key with 'static lifetime screws with return lifetime using methods like .get() A-collections Area: `std::collection` A-lifetimes Area: Lifetimes / regions C-bug Category: This is a bug. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#124614 opened May 2, 2024 by jsdw
3
core::hint::must_use returns a temporary A-lifetimes Area: Lifetimes / regions C-bug Category: This is a bug. 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.
#124493 opened Apr 28, 2024 by tgross35
4
Confusing diagnostic when forgetting to capture lifetime in a APIT A-diagnostics Area: Messages for errors, warnings, and lints A-lifetimes Area: Lifetimes / regions D-terse Diagnostics: An error or lint that doesn't give enough information about the problem at hand. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#124479 opened Apr 28, 2024 by WaffleLapkin
Higher ranked types in trait bounds result in confusing diagnostics A-diagnostics Area: Messages for errors, warnings, and lints A-higher-ranked Area: Higher-ranked things (e.g., lifetimes, types, trait bounds aka HRTBs) A-lifetimes Area: Lifetimes / regions 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. T-types Relevant to the types team, which will review and decide on the PR/issue.
#124474 opened Apr 28, 2024 by WaffleLapkin
Universe errors involving an opaque type results in hallucinations and unused bound vars A-async-await Area: Async & Await A-diagnostics Area: Messages for errors, warnings, and lints A-impl-trait Area: `impl Trait`. Universally / existentially quantified anonymous types with static dispatch. A-lifetimes Area: Lifetimes / regions AsyncAwait-Triaged Async-await issues that have been triaged during a working group meeting. D-confusing Diagnostics: Confusing error or lint that should be reworked. fixed-by-async-closures Fixed by `#![feature(async_closure)]` 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.
#124472 opened Apr 28, 2024 by WaffleLapkin
7
Confusing mismatched types error with the same expected/found types when universes are involved A-diagnostics Area: Messages for errors, warnings, and lints A-lifetimes Area: Lifetimes / regions 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. T-types Relevant to the types team, which will review and decide on the PR/issue.
#124471 opened Apr 28, 2024 by WaffleLapkin
1
rustc suggests for<'a> when lifetime param already exists A-diagnostics Area: Messages for errors, warnings, and lints A-lifetimes Area: Lifetimes / regions A-resolve Area: Name/path resolution done by `rustc_resolve` specifically A-suggestion-diagnostics Area: Suggestions generated by the compiler applied by `cargo fix` D-incorrect Diagnostics: A diagnostic that is giving misleading or incorrect information. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#123713 opened Apr 10, 2024 by Rudxain
4
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