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Observe <code>close(2)</code> errors for <code>std::fs::{copy, write}</code>

O-windowsOperating system: WindowsOperating system: Windows

S-waiting-on-reviewStatus: Awaiting review from the assignee but also interested parties.Status: Awaiting review from the assignee but also interested parties.

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 (in progress).

rust-lang/rustnumber 149834

#149834 In rust-lang/rust;

· tbu- opened on Dec 10, 2025

core::intrinsics::abort: Terminate with __fastfail on Windows

A-tidyArea: The tidy toolArea: The tidy tool

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

O-windowsOperating system: WindowsOperating system: Windows

S-waiting-on-reviewStatus: Awaiting review from the assignee but also interested parties.Status: Awaiting review from the assignee but also interested parties.

T-bootstrapRelevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)

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 (in progress).

rust-lang/rustnumber 149780

#149780 In rust-lang/rust;

· Fulgen301 opened on Dec 8, 2025

<code>crate::io::Result</code> → <code>io::Result</code> in most places

O-hermitOperating System: HermitOperating System: Hermit

O-SGXTarget: SGXTarget: SGX

O-solidOperating System: SOLIDOperating System: SOLID

O-unixOperating system: Unix-likeOperating system: Unix-like

O-wasiOperating system: Wasi, Webassembly System InterfaceOperating system: Wasi, Webassembly System Interface

O-windowsOperating system: WindowsOperating system: Windows

S-waiting-on-reviewStatus: Awaiting review from the assignee but also interested parties.Status: Awaiting review from the assignee but also interested parties.

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 (in progress).

rust-lang/rustnumber 149778

#149778 In rust-lang/rust;

· tbu- opened on Dec 8, 2025

Add freeze file times on Windows

O-windowsOperating system: WindowsOperating system: Windows

S-waiting-on-reviewStatus: Awaiting review from the assignee but also interested parties.Status: Awaiting review from the assignee but also interested parties.

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 (in progress).

rust-lang/rustnumber 149718

#149718 In rust-lang/rust;

· tguichaoua opened on Dec 6, 2025

x.py doesn't respect --host when rustc is missing and building on windows

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

O-windowsOperating system: WindowsOperating system: Windows

T-bootstrapRelevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)

Status: Open.

#149534 In rust-lang/rust;

· glandium opened on Dec 2, 2025

Rustc can't find windows tools in non-standard location

A-linkersArea: linkers... you gotta love linkersArea: linkers... you gotta love linkers

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

O-windowsOperating system: WindowsOperating system: Windows

Status: Open.

#149099 In rust-lang/rust;

· DKLoehr opened on Nov 19, 2025

Use <code>let...else</code> instead of <code>match foo { ... _ =&gt; return };</code> and <code>if let ... else return</code>

A-attributesArea: Attributes (`#[…]`, `#![…]`)Area: Attributes (`#[…]`, `#![…]`)

A-LLVMArea: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.

O-windowsOperating system: WindowsOperating system: Windows

S-waiting-on-reviewStatus: Awaiting review from the assignee but also interested parties.Status: Awaiting review from the assignee but also interested parties.

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-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.

WG-trait-system-refactorThe Rustc Trait System Refactor Initiative (-Znext-solver)The Rustc Trait System Refactor Initiative (-Znext-solver)

Status: Open (in progress).

rust-lang/rustnumber 148837

#148837 In rust-lang/rust;

· estebank opened on Nov 11, 2025

Add SystemTime::{MIN, MAX}

O-hermitOperating System: HermitOperating System: Hermit

O-SGXTarget: SGXTarget: SGX

O-solidOperating System: SOLIDOperating System: SOLID

O-unixOperating system: Unix-likeOperating system: Unix-like

O-wasiOperating system: Wasi, Webassembly System InterfaceOperating system: Wasi, Webassembly System Interface

O-windowsOperating system: WindowsOperating system: Windows

S-waiting-on-authorStatus: This is awaiting some action (such as code changes or more information) from the author.Status: This is awaiting some action (such as code changes or more information) from the author.

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 (in progress).

rust-lang/rustnumber 148825

#148825 In rust-lang/rust;

· cvengler opened on Nov 11, 2025

Switch the destructors implementation for thread locals on Windows to use FLS

O-windowsOperating system: WindowsOperating system: Windows

S-waiting-on-reviewStatus: Awaiting review from the assignee but also interested parties.Status: Awaiting review from the assignee but also interested parties.

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 (in progress).

rust-lang/rustnumber 148799

#148799 In rust-lang/rust;

· ohadravid opened on Nov 10, 2025

Tracking issue for release notes of #141470: Add new <code>function_casts_as_integer</code> lint

O-unixOperating system: Unix-likeOperating system: Unix-like

O-windowsOperating system: WindowsOperating system: Windows

release-blog-postMarks issues tracking what text to put in the release blog post.Marks issues tracking what text to put in the release blog post.

relnotesMarks issues that should be documented in the release notes of the next release.Marks issues that should be documented in the release notes of the next release.

relnotes-tracking-issueMarks issues tracking what text to put in release notes.Marks issues tracking what text to put in release notes.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#148702 In rust-lang/rust;

· rustbot opened on Nov 8, 2025

·  

1.93.0

Bash scripts distributed with Windows toolchians

A-debuggersArea: debuggers themselves (gdc, lldb, cdb, WinDbg, etc.)Area: debuggers themselves (gdc, lldb, cdb, WinDbg, etc.)

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

O-windowsOperating system: WindowsOperating system: Windows

T-bootstrapRelevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)

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.

#148409 In rust-lang/rust;

· ChrisDenton opened on Nov 2, 2025

stdio: make stdout block-buffered when not associated to a terminal

O-windowsOperating system: WindowsOperating system: Windows

S-waiting-on-authorStatus: This is awaiting some action (such as code changes or more information) from the author.Status: This is awaiting some action (such as code changes or more information) from the author.

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: Draft (not ready).

rust-lang/rustnumber 148274

#148274 In rust-lang/rust;

· andreacorbellini opened on Oct 30, 2025