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Can we remove unused linker arguments to prevent linker message warning?

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.

#155929 In rust-lang/rust;

· Wyvern opened on Apr 28, 2026

There should be a way to make a type as "stably a 1-ZSt" for repr(transparent) purposes

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.

#155925 In rust-lang/rust;

· RalfJung opened on Apr 28, 2026

Make Infallible = !

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

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

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

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.

#155924 In rust-lang/rust;

· WaffleLapkin opened on Apr 28, 2026

1.96 beta regression: "lua does not live long enough", take 2

A-borrow-checkerArea: The borrow checkerArea: The borrow checker

A-destructorsArea: Destructors (`Drop`, …)Area: Destructors (`Drop`, …)

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

A-macrosArea: All kinds of macros (custom derive, macro_rules!, proc macros, ..)Area: All kinds of macros (custom derive, macro_rules!, proc macros, ..)

A-MIRArea: Mid-level IR (MIR) - https://blog.rust-lang.org/2016/04/19/MIR.htmlArea: Mid-level IR (MIR) - https://blog.rust-lang.org/2016/04/19/MIR.html

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

P-criticalCritical priorityCritical priority

regression-from-stable-to-betaPerformance or correctness regression from stable to beta.Performance or correctness regression from stable to beta.

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.

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.

#155902 In rust-lang/rust;

· theemathas opened on Apr 28, 2026

incorrect/useless lint warning [warn(dropping_references)]

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

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

A-suggestion-diagnosticsArea: Suggestions generated by the compiler applied by `cargo fix`Area: Suggestions generated by the compiler applied by `cargo fix`

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

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.

#155895 In rust-lang/rust;

· cavemanloverboy opened on Apr 28, 2026

[ICE]: RefCell already mutably borrowed

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.

Status: Open.

#155893 In rust-lang/rust;

· matthiaskrgr opened on Apr 27, 2026

[ICE]: expected region for .. but found Type ..

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

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

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

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.

#155892 In rust-lang/rust;

· matthiaskrgr opened on Apr 27, 2026

Tracking Issue for tcp_keepalive

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-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.

#155889 In rust-lang/rust;

· yungcomputerchair opened on Apr 27, 2026

GVN assumes nested shared references are read-only

A-mir-opt-GVNArea: MIR opt Global Value Numbering (GVN)Area: MIR opt Global Value Numbering (GVN)

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

I-miscompileIssue: Correct Rust code lowers to incorrect machine codeIssue: Correct Rust code lowers to incorrect machine code

I-prioritizeIssue: Indicates that prioritization has been requested for this issue.Issue: Indicates that prioritization has been requested for this issue.

I-unsoundIssue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/SoundnessIssue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness

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.

T-opsemRelevant to the opsem teamRelevant to the opsem team

Status: Open.

#155884 In rust-lang/rust;

· RalfJung opened on Apr 27, 2026

coroutine higher-ranked auto trait errors should point at the definition whose bound vars are part of the error

A-async-awaitArea: Async & AwaitArea: Async & Await

A-auto-traitsArea: auto traits (e.g., `auto trait Send {}`)Area: auto traits (e.g., `auto trait Send {}`)

A-coroutinesArea: CoroutinesArea: Coroutines

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

A-higher-rankedArea: Higher-ranked things (e.g., lifetimes, types, trait bounds aka HRTBs)Area: Higher-ranked things (e.g., lifetimes, types, trait bounds aka HRTBs)

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-asyncWorking group: Async & awaitWorking group: Async & await

Status: Open.

#155880 In rust-lang/rust;

· lcnr opened on Apr 27, 2026

Broken Well-Formedness for HRTB in Struct Implementations

A-associated-itemsArea: Associated items (types, constants & functions)Area: Associated items (types, constants & functions)

A-higher-rankedArea: Higher-ranked things (e.g., lifetimes, types, trait bounds aka HRTBs)Area: Higher-ranked things (e.g., lifetimes, types, trait bounds aka HRTBs)

A-trait-systemArea: Trait systemArea: Trait system

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

Status: Open.

#155875 In rust-lang/rust;

· sshockwave opened on Apr 27, 2026

Broken change diff view on lint

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.

#155873 In rust-lang/rust;

· A4-Tacks opened on Apr 27, 2026