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[beta] Revert #143031 and #140772 due to #144533

A-CIArea: Our Github Actions CIArea: Our Github Actions CI

A-testsuiteArea: The testsuite used to check the correctness of rustcArea: The testsuite used to check the correctness of rustc

beta-acceptedAccepted for backporting to the compiler in the beta channel.Accepted for backporting to the compiler in the beta channel.

beta-nominatedNominated for backporting to the compiler in the beta channel.Nominated for backporting to the compiler in the beta channel.

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-infraRelevant to the infrastructure team, which will review and decide on the PR/issue.Relevant to the infrastructure team, which will review and decide on the PR/issue.

Status: Open (in progress).

rust-lang/rustnumber 145456

#145456 In rust-lang/rust;

· mati865 opened on Aug 15, 2025

Demote x86_64-apple-darwin to Tier 2 with host tools

A-CIArea: Our Github Actions CIArea: Our Github Actions CI

A-testsuiteArea: The testsuite used to check the correctness of rustcArea: The testsuite used to check the correctness of rustc

beta-acceptedAccepted for backporting to the compiler in the beta channel.Accepted for backporting to the compiler in the beta channel.

beta-nominatedNominated for backporting to the compiler in the beta channel.Nominated for backporting to the compiler in the beta channel.

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.

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-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-infraRelevant to the infrastructure team, which will review and decide on the PR/issue.Relevant to the infrastructure team, which will review and decide on the PR/issue.

Status: Open (in progress).

rust-lang/rustnumber 145252

#145252 In rust-lang/rust;

· shepmaster opened on Aug 11, 2025

support non-defining uses of opaques in borrowck

A-CIArea: Our Github Actions CIArea: Our Github Actions CI

A-testsuiteArea: The testsuite used to check the correctness of rustcArea: The testsuite used to check the correctness of rustc

perf-regressionPerformance regression.Performance regression.

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-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-infraRelevant to the infrastructure team, which will review and decide on the PR/issue.Relevant to the infrastructure team, which will review and decide on the PR/issue.

Status: Open (in progress).

rust-lang/rustnumber 145244

#145244 In rust-lang/rust;

· lcnr opened on Aug 11, 2025

Add new Tier-3 target: riscv64a23-unknown-linux-gnu

A-CIArea: Our Github Actions CIArea: Our Github Actions CI

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.

A-testsuiteArea: The testsuite used to check the correctness of rustcArea: The testsuite used to check the correctness of rustc

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-clippyRelevant to the Clippy team.Relevant to the Clippy team.

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-infraRelevant to the infrastructure team, which will review and decide on the PR/issue.Relevant to the infrastructure team, which will review and decide on the PR/issue.

Status: Open (in progress).

rust-lang/rustnumber 145076

#145076 In rust-lang/rust;

· ZhongyaoChen opened on Aug 8, 2025

[DRAFT] Update the minimum external LLVM to 20

A-CIArea: Our Github Actions CIArea: Our Github Actions CI

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.

A-testsuiteArea: The testsuite used to check the correctness of rustcArea: The testsuite used to check the correctness of rustc

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-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.

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

Status: Draft (not ready).

rust-lang/rustnumber 145071

#145071 In rust-lang/rust;

· cuviper opened on Aug 7, 2025

run spellcheck as a tidy extra check in ci

A-CIArea: Our Github Actions CIArea: Our Github Actions CI

A-rustdoc-searchArea: Rustdoc's search featureArea: Rustdoc's search feature

A-testsuiteArea: The testsuite used to check the correctness of rustcArea: The testsuite used to check the correctness of rustc

A-tidyArea: The tidy toolArea: The tidy tool

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-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.

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

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.

T-rustdoc-frontendRelevant to the rustdoc-frontend team, which will review and decide on the web UI/UX output.Relevant to the rustdoc-frontend team, which will review and decide on the web UI/UX output.

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 145025

#145025 In rust-lang/rust;

· lolbinarycat opened on Aug 6, 2025

Require approval from t-infra instead of t-release on tier bumps

disposition-mergeThis issue / PR is in PFCP or FCP with a disposition to merge it.This issue / PR is in PFCP or FCP with a disposition to merge it.

final-comment-periodIn the final comment period and will be merged soon unless new substantive objections are raised.In the final comment period and will be merged soon unless new substantive objections are raised.

S-waiting-on-fcpStatus: PR is in FCP and is awaiting for FCP to complete.Status: PR is in FCP and is awaiting for FCP to complete.

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

T-releaseRelevant to the release subteam, which will review and decide on the PR/issue.Relevant to the release subteam, which will review and decide on the PR/issue.

Status: Open (in progress).

rust-lang/rustnumber 144906

#144906 In rust-lang/rust;

· Kobzol opened on Aug 4, 2025

[DO NOT MERGE] Run dist-x86_64-linux on the self-hosted demo

A-CIArea: Our Github Actions CIArea: Our Github Actions CI

A-testsuiteArea: The testsuite used to check the correctness of rustcArea: The testsuite used to check the correctness of rustc

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

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

Status: Open (in progress).

rust-lang/rustnumber 144859

#144859 In rust-lang/rust;

· pietroalbini opened on Aug 3, 2025

ci: Begin running ui tests with <code>rust.debuginfo-level-tests=1</code>

A-CIArea: Our Github Actions CIArea: Our Github Actions CI

A-testsuiteArea: The testsuite used to check the correctness of rustcArea: The testsuite used to check the correctness of rustc

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-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-infraRelevant to the infrastructure team, which will review and decide on the PR/issue.Relevant to the infrastructure team, which will review and decide on the PR/issue.

Status: Open (in progress).

rust-lang/rustnumber 144499

#144499 In rust-lang/rust;

· Enselic opened on Jul 26, 2025

Tracking issue for auditing and possibly eliminating difference between PR CI and Auto CI jobs

A-CIArea: Our Github Actions CIArea: Our Github Actions CI

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

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

Status: Open.

#144259 In rust-lang/rust;

· jieyouxu opened on Jul 21, 2025

add default FromIterator for types with Default and Extend trait

A-testsuiteArea: The testsuite used to check the correctness of rustcArea: The testsuite used to check the correctness of rustc

F-autodiff`#![feature(autodiff)]``#![feature(autodiff)]`

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-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.

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

Status: Draft (not ready).

rust-lang/rustnumber 143996

#143996 In rust-lang/rust;

· HernandoR opened on Jul 16, 2025

Use crosstool-ng for dist-arm-linux-musl

A-testsuiteArea: The testsuite used to check the correctness of rustcArea: The testsuite used to check the correctness of rustc

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

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

Status: Open (in progress).

rust-lang/rustnumber 143763

#143763 In rust-lang/rust;

· Gelbpunkt opened on Jul 11, 2025