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Issues list

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
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
recursive async function using Box::new results in cycle error 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. I-cycle Issue: A query cycle occurred while none was expected T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-async Working group: Async & await
#122332 opened Mar 11, 2024 by lcnr
@compiler-errors
1
Async callback argument causes nonsensical error message. 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. 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 WG-diagnostics Working group: Diagnostics
#121093 opened Feb 14, 2024 by theemathas
3
Initial support for auto traits with default bounds A-async-await Area: Async & Await A-testsuite Area: The testsuite used to check the correctness of rustc AsyncAwait-Triaged Async-await issues that have been triaged during a working group meeting. perf-regression Performance regression. S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. 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. T-lang Relevant to the language team, which will review and decide on the PR/issue. T-libs Relevant to the library team, which will review and decide on the PR/issue. WG-async Working group: Async & await WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#120706 opened Feb 6, 2024 by Bryanskiy Loading…
@lcnr
100
ICE: ConstContext::Maybe must have host effect param during mir_const_qualif 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-const_trait_impl `#![feature(const_trait_impl)]` F-effects `#![feature(effects)]` F-impl_trait_in_fn_trait_return `#![feature(impl_trait_in_fn_trait_return)]` I-cycle Issue: A query cycle occurred while none was expected 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. WG-async Working group: Async & await
#120503 opened Jan 30, 2024 by matthiaskrgr
3
never patterns: ! argument not detected as diverging on async fn 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-never_patterns `#![feature(never_patterns)]` requires-incomplete-features This issue requires the use of incomplete features. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-async Working group: Async & await
#120240 opened Jan 22, 2024 by Nadrieril
4
Clarification needed on what happens when Future::poll wakes an old waker A-async-await Area: Async & Await A-docs Area: Documentation for any part of the project, including the compiler, standard library, and tools AsyncAwait-Triaged Async-await issues that have been triaged during a working group meeting. I-async-nominated Nominated for discussion during an async working group meeting. T-libs Relevant to the library team, which will review and decide on the PR/issue. WG-async Working group: Async & await
#119698 opened Jan 7, 2024 by zopsicle
3
ICE with "failed to resolve instance for <... as IntoFuture>::into_future: Ok(None)" (regression between 1.73 and 1.74) A-async-await Area: Async & Await A-auto-traits Area: auto traits (e.g., `auto trait Send {}`) AsyncAwait-Triaged Async-await issues that have been triaged during a working group meeting. C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ P-medium Medium priority regression-from-stable-to-stable Performance or correctness regression from one stable version to another. S-bug-has-test Status: This bug is tracked inside the repo by a `known-bug` test. 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. WG-async Working group: Async & await
#119095 opened Dec 18, 2023 by 42triangles
10
Non-Send values that are assigned to a variable but not used across an await point incorrectly mark the entire Future as non-Send A-async-await Area: Async & Await AsyncAwait-Triaged Async-await issues that have been triaged during a working group meeting. 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. WG-async Working group: Async & await
#116680 opened Oct 13, 2023 by wallefan
1
Changing async function body causes caller to fail A-async-await Area: Async & Await A-auto-traits Area: auto traits (e.g., `auto trait Send {}`) 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.
#116048 opened Sep 22, 2023 by TylerHorth
6
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