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Issues list

Tracking issue for release notes of #132706: Stabilize async closures (RFC 3668) A-async-await Area: Async & Await F-async_closure `#![feature(async_closure)]` 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.
#133596 opened Nov 28, 2024 by rustbot
3 tasks
1.85.0
Tracking issue for release notes of #132611: Add AsyncFn* to to the prelude in all editions A-async-await Area: Async & Await 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.
#133385 opened Nov 23, 2024 by rustbot
3 tasks
1.85.0
1
Tracking issue for release notes of #129347: #[inline(never)] does not work for async functions A-async-await Area: Async & Await A-codegen Area: Code generation A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. 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.
#132573 opened Nov 3, 2024 by rustbot
3 tasks
ICE: Building async destructor constructor shim is not yet implemented for type: Coroutine -Zvalidate-mir Unstable option: MIR validation A-async-await Area: Async & Await A-coroutines Area: Coroutines A-destructors Area: Destructors (`Drop`, …) 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.
#132103 opened Oct 24, 2024 by matthiaskrgr
1
Repeated calls to the same async fn can cause stack overflow A-async-await Area: Async & Await C-bug Category: This is a bug. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#132050 opened Oct 23, 2024 by xmh0511
5
Returning bare trait from an async function gives subpar suggestion A-async-await Area: Async & Await A-diagnostics Area: Messages for errors, warnings, and lints D-invalid-suggestion Diagnostics: A structured suggestion resulting in incorrect code. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#131661 opened Oct 13, 2024 by GrigorenkoPV
1
@hirschenberger
2
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
Outlives requirements are not implied in the return type of async fn, and generally for RPIT A-async-await Area: Async & Await A-impl-trait Area: `impl Trait`. Universally / existentially quantified anonymous types with static dispatch. A-implied-bounds Area: Implied bounds / inferred outlives-bounds AsyncAwait-Triaged Async-await issues that have been triaged during a working group meeting. C-bug Category: This is a bug. T-types Relevant to the types team, which will review and decide on the PR/issue.
#130935 opened Sep 27, 2024 by jackh726
2
Send bound of trait object make unexpected async block is not general enough error A-async-await Area: Async & Await A-diagnostics Area: Messages for errors, warnings, and lints A-trait-system Area: Trait system C-bug Category: This is a bug.
#130596 opened Sep 20, 2024 by ethe
1
Bogus "implementation of <whatever trait you want> is not general enough" with RPITIT + async A-async-await Area: Async & Await A-impl-trait Area: `impl Trait`. Universally / existentially quantified anonymous types with static dispatch. A-trait-system Area: Trait system C-bug Category: This is a bug. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#130113 opened Sep 8, 2024 by jplatte
1
async code fails to compile with -Znext-solver A-async-await Area: Async & Await AsyncAwait-Triaged Async-await issues that have been triaged during a working group meeting. C-bug Category: This is a bug. 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. T-types Relevant to the types team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#129865 opened Sep 1, 2024 by 0xdeafbeef
@compiler-errors
5
#[inline(never)] does not work for async functions A-async-await Area: Async & Await A-codegen Area: Code generation A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. AsyncAwait-Triaged Async-await issues that have been triaged during a working group meeting. C-bug Category: This is a bug. disposition-merge This issue / PR is in PFCP or FCP with a disposition to merge it. finished-final-comment-period The final comment period is finished for this PR / Issue. 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.
#129347 opened Aug 21, 2024 by michaelwoerister
15
Misleading help suggests Sync bound when shareable reference is passed across or into await A-async-await Area: Async & Await A-diagnostics Area: Messages for errors, warnings, and lints 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. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#129105 opened Aug 14, 2024 by mzabaluev
5
rustc fails to prove Sendness for an async block where a !Send value is dropped before an .await point A-async-await Area: Async & Await AsyncAwait-Triaged Async-await issues that have been triaged during a working group meeting. C-bug Category: This is a bug. F-coroutines `#![feature(coroutines)]`
#128095 opened Jul 23, 2024 by frank-king
1
@compiler-errors
6
Async code causes error "implementation of FnOnce is not general enough" when demanding an impl Send A-async-await Area: Async & Await A-diagnostics Area: Messages for errors, warnings, and lints 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. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#126551 opened Jun 16, 2024 by theemathas
1
Extremely un-informative error when a future that capture the environment is used as Send A-async-await Area: Async & Await A-diagnostics Area: Messages for errors, warnings, and lints 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. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#126550 opened Jun 16, 2024 by Ciel-MC
2
Tracking Issue for async drop codegen A-async-await Area: Async & Await AsyncAwait-Triaged Async-await issues that have been triaged during a working group meeting. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC F-async_drop Async drop 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. WG-async Working group: Async & await
#126482 opened Jun 14, 2024 by zetanumbers
3 of 20 tasks
1
async_closure: error: implementation of AsyncFnOnce is not general enough A-async-await Area: Async & Await AsyncAwait-Triaged Async-await issues that have been triaged during a working group meeting. 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.
#126350 opened Jun 12, 2024 by Jacherr
2
Bug when using .flatten() method that has Item = &'a T when calling async function inside loop A-async-await Area: Async & Await A-auto-traits Area: auto traits (e.g., `auto trait Send {}`) A-diagnostics Area: Messages for errors, warnings, and lints A-trait-system Area: Trait system AsyncAwait-Triaged Async-await issues that have been triaged during a working group meeting. C-bug Category: This is a bug. D-confusing Diagnostics: Confusing error or lint that should be reworked.
#126044 opened Jun 5, 2024 by p0lunin
5
Poor interaction between NLL-borrowck, async, and c_variadic's ... desugaring (VaListImpl<'_>) A-async-await Area: Async & Await AsyncAwait-Triaged Async-await issues that have been triaged during a working group meeting. F-c_variadic `#![feature(c_variadic)]` 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.
#125431 opened May 23, 2024 by nnethercote
6
Weird type inference around impl Trait and async A-async-await Area: Async & Await A-inference Area: Type inference AsyncAwait-Triaged Async-await issues that have been triaged during a working group meeting. C-bug Category: This is a bug. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#124757 opened May 5, 2024 by Pzixel
3
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
Strange error message when trying to call a function that takes a closure that returns a future A-async-await Area: Async & Await A-closures Area: Closures (`|…| { … }`) A-diagnostics Area: Messages for errors, warnings, and lints AsyncAwait-Triaged Async-await issues that have been triaged during a working group meeting. 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. WG-async Working group: Async & await
#123717 opened Apr 10, 2024 by tljubej-tbtl
4
Tracking Issue for context_ext A-async-await Area: Async & Await AsyncAwait-Triaged Async-await issues that have been triaged during a working group meeting. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC F-context_ext `#![feature(context_ext)]` T-libs-api Relevant to the library API team, which will review and decide on the PR/issue. WG-async Working group: Async & await
#123392 opened Apr 2, 2024 by jkarneges
1 of 3 tasks
4
Recursive async functions don't internally implement auto traits A-async-await Area: Async & Await A-auto-traits Area: auto traits (e.g., `auto trait Send {}`) A-trait-system Area: Trait system AsyncAwait-Triaged Async-await issues that have been triaged during a working group meeting. C-bug Category: This is a bug. fixed-by-next-solver Fixed by the next-generation trait solver, `-Znext-solver`. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-async Working group: Async & await
#123072 opened Mar 26, 2024 by drewtato
1
ProTip! Exclude everything labeled bug with -label:bug.