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Document guarantee: <code>sync_channel</code> <code>send()</code> ⇒ immediate <code>try_recv()</code> visibility.

A-docsArea: Documentation for any part of the project, including the compiler, standard library, and tools Area: Documentation for any part of the project, including the compiler, standard library, and tools

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue. Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#146135 In rust-lang/rust;

· jhfrontz opened on Sep 2, 2025

compiler and language documentation disagree on lifetime extension for array expressions

A-arrayArea: `[T; N]` Area: `[T; N]`

A-docsArea: Documentation for any part of the project, including the compiler, standard library, and tools Area: Documentation for any part of the project, including the compiler, standard library, and tools

A-temporary-lifetime-extensionArea: temporary lifetime extension Area: temporary lifetime extension

C-bugCategory: This is a bug. Category: This is a bug.

I-lang-nominatedNominated for discussion during a lang team meeting. Nominated for discussion during a lang team meeting.

P-lang-drag-1Lang team prioritization drag level 1. https://rust-lang.zulipchat.com/#narrow/channel/410516-t-lang Lang team prioritization drag level 1. https://rust-lang.zulipchat.com/#narrow/channel/410516-t-lang

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue. Relevant to the compiler team, which will review and decide on the PR/issue.

T-langRelevant to the language team Relevant to the language team

T-lang-docsRelevant to the lang-docs team. Relevant to the lang-docs team.

Status: Open.

#146092 In rust-lang/rust;

· dianne opened on Sep 1, 2025

write_all assumes that a write returning 0 is a kind of EOF

A-docsArea: Documentation for any part of the project, including the compiler, standard library, and tools Area: Documentation for any part of the project, including the compiler, standard library, and tools

A-ioArea: `std::io`, `std::fs`, `std::net` and `std::path` Area: `std::io`, `std::fs`, `std::net` and `std::path`

T-libsRelevant to the library team, which will review and decide on the PR/issue. Relevant to the library team, which will review and decide on the PR/issue.

Status: Open.

#145959 In rust-lang/rust;

· RalfJung opened on Aug 28, 2025

UcpSocket::send_to indicates possible partial write behavior inaccurately.

A-docsArea: Documentation for any part of the project, including the compiler, standard library, and tools Area: Documentation for any part of the project, including the compiler, standard library, and tools

A-ioArea: `std::io`, `std::fs`, `std::net` and `std::path` Area: `std::io`, `std::fs`, `std::net` and `std::path`

T-libsRelevant to the library team, which will review and decide on the PR/issue. Relevant to the library team, which will review and decide on the PR/issue.

Status: Open.

#145862 In rust-lang/rust;

· MaxMahem opened on Aug 25, 2025

Should Display for Error include source?

A-docsArea: Documentation for any part of the project, including the compiler, standard library, and tools Area: Documentation for any part of the project, including the compiler, standard library, and tools

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue. Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#145561 In rust-lang/rust;

· stepancheg opened on Aug 18, 2025

OS Extension traits have confusing available-on annotation

A-docsArea: Documentation for any part of the project, including the compiler, standard library, and tools Area: Documentation for any part of the project, including the compiler, standard library, and tools

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged. This issue may need triage. Remove it if it has been sufficiently triaged.

O-androidOperating system: Android Operating system: Android

O-linuxOperating system: Linux Operating system: Linux

T-rustdocRelevant to the rustdoc team, which will review and decide on the PR/issue. Relevant to the rustdoc team, which will review and decide on the PR/issue.

Status: Open.

#144681 In rust-lang/rust;

· Darksonn opened on Jul 30, 2025

<code>Hash</code> portability between compiler versions is potentially misleading

A-docsArea: Documentation for any part of the project, including the compiler, standard library, and tools Area: Documentation for any part of the project, including the compiler, standard library, and tools

C-discussionCategory: Discussion or questions that doesn't represent real issues. Category: Discussion or questions that doesn't represent real issues.

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue. Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#144540 In rust-lang/rust;

· hoxxep opened on Jul 27, 2025

The comment about the <code>weak</code> field in <code>ArcArcInner</code> is imprecise

A-docsArea: Documentation for any part of the project, including the compiler, standard library, and tools Area: Documentation for any part of the project, including the compiler, standard library, and tools

T-libsRelevant to the library team, which will review and decide on the PR/issue. Relevant to the library team, which will review and decide on the PR/issue.

Status: Open.

#144296 In rust-lang/rust;

· xmh0511 opened on Jul 22, 2025

<code>format!</code> does not support width/alignment with <code>#x</code>

A-diagnosticsArea: Messages for errors, warnings, and lints Area: Messages for errors, warnings, and lints

A-docsArea: Documentation for any part of the project, including the compiler, standard library, and tools Area: Documentation for any part of the project, including the compiler, standard library, and tools

A-fmtArea: `core::fmt` Area: `core::fmt`

C-discussionCategory: Discussion or questions that doesn't represent real issues. Category: Discussion or questions that doesn't represent real issues.

E-mediumCall for participation: Medium difficulty. Experience needed to fix: Intermediate. Call for participation: Medium difficulty. Experience needed to fix: Intermediate.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue. Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#144023 In rust-lang/rust;

· dhardy opened on Jul 16, 2025

Rustdoc standalone attribute

A-docsArea: Documentation for any part of the project, including the compiler, standard library, and tools Area: Documentation for any part of the project, including the compiler, standard library, and tools

A-doctestsArea: Documentation tests, run by rustdoc Area: Documentation tests, run by rustdoc

C-enhancementCategory: An issue proposing an enhancement or a PR with one. Category: An issue proposing an enhancement or a PR with one.

T-rustdocRelevant to the rustdoc team, which will review and decide on the PR/issue. Relevant to the rustdoc team, which will review and decide on the PR/issue.

Status: Open.

#143943 In rust-lang/rust;

· TroyKomodo opened on Jul 14, 2025

std-Vec docs: "slices are read-only objects"

A-docsArea: Documentation for any part of the project, including the compiler, standard library, and tools Area: Documentation for any part of the project, including the compiler, standard library, and tools

T-libsRelevant to the library team, which will review and decide on the PR/issue. Relevant to the library team, which will review and decide on the PR/issue.

Status: Open.

#143889 In rust-lang/rust;

· iampi31415 opened on Jul 13, 2025

Broken and inconsistent links in rust/src/doc

A-docsArea: Documentation for any part of the project, including the compiler, standard library, and tools Area: Documentation for any part of the project, including the compiler, standard library, and tools

Status: Open.

#143743 In rust-lang/rust;

· gstjepan2 opened on Jul 10, 2025