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Experimental Tracking Issue for Next-Gen Transmute

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

S-tracking-unimplementedStatus: The feature has not been implemented.Status: The feature has not been implemented.

T-langRelevant to the language teamRelevant to the language team

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.

#155079 In rust-lang/rust;

· scottmcm opened on Apr 10, 2026

Tracking issue for release notes of #155072: Set the Fuchsia ABI to the documented minimum

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-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.

#155076 In rust-lang/rust;

· rustbot opened on Apr 10, 2026

docs: confusing wording in extern documentation related to lib linkage

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.

Status: Open.

#155074 In rust-lang/rust;

· iamlockon opened on Apr 10, 2026

WCA: We permit outer attributes that don't annotate anything at the end of where clauses

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

A-parserArea: The lexing & parsing of Rust source code to an ASTArea: The lexing & parsing of Rust source code to an AST

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

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

S-has-mcveStatus: A Minimal Complete and Verifiable Example has been found for this issueStatus: A Minimal Complete and Verifiable Example has been found for this issue

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.

#155073 In rust-lang/rust;

· fmease opened on Apr 10, 2026

#[link...] disabled via link_cfg feature still results in errors

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

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.

Status: Open.

#155067 In rust-lang/rust;

· anforowicz opened on Apr 9, 2026

delegation: OOM

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

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

I-compilememIssue: Problems and improvements with respect to memory usage during compilation.Issue: Problems and improvements with respect to memory usage during compilation.

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.

Status: Open.

#155060 In rust-lang/rust;

· matthiaskrgr opened on Apr 9, 2026

[ICE]: impl of Unpin for a non-adt type

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

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

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

I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

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.

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.

#155053 In rust-lang/rust;

· matthiaskrgr opened on Apr 9, 2026

Tracking Issue for move expressions (move(expr))

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

Status: Open.

#155050 In rust-lang/rust;

· TaKO8Ki opened on Apr 9, 2026

[ICE]: bpos.to_u32() >= mbc.pos.to_u32() + mbc.bytes as u32

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

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

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

I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

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.

#155037 In rust-lang/rust;

· matthiaskrgr opened on Apr 9, 2026

[ICE]: could not replace AliasTerm

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

I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

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.

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.

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

Status: Open.

#155035 In rust-lang/rust;

· matthiaskrgr opened on Apr 9, 2026

Copy-identifier button copies extra text when accessibility software prefixes title

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

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.

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.

#155032 In rust-lang/rust;

· Enyium opened on Apr 9, 2026

Assigning to a for loop's element suggests replacing it with invalid code

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

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.

#155030 In rust-lang/rust;

· ginnyTheCat opened on Apr 9, 2026