spare capacity mut constification by bend-n · Pull Request #159917 · rust-lang/rust

bend-n · 2026-07-25T16:59:03Z

the better to allocate with

rustbot · 2026-07-25T16:59:08Z

rustbot has assigned @jhpratt.
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Owners of files modified in this PR: libs
libs expanded to 12 candidates
Random selection from Darksonn, JohnTitor, Mark-Simulacrum, clarfonthey, jhpratt

jhpratt · 2026-07-26T04:25:15Z

@bors r+ rollup

rust-bors · 2026-07-26T04:25:18Z

📌 Commit b8fd8a8 has been approved by jhpratt

It is now in the queue for this repository.

🌲 The tree is currently closed for pull requests below priority 100. This pull request will be tested once the tree is reopened.

Reason for tree closure: spurious failures

…ations, r=jhpratt spare capacity mut constification the better to allocate with

…uwer Rollup of 24 pull requests Successful merges: - #159638 (bootstrap: Split the `Step` trait into multiple traits) - #159774 (rustc_trait_selection: fix trait solver hang caused by degenerate obligations) - #159837 (line-tables-only test: check that the line number matches the function name) - #159946 (Update Enzyme submodule to imporve llvm-cov) - #159617 (Fix up `#[linkage]` target checking) - #159733 (std: Switch implementations of `thread_local!` for WASI) - #159783 (Check unsafe impls on safe EIIs) - #159810 (Add tuple never coercion collection regression test) - #159821 (Update expect message using the recommended style in binary_heap module) - #159826 (Remove redundant `#[rustc_paren_sugar]` feature gate) - #159846 (Implement `str::copy_from_str`) - #159849 (rustc_parse: Stop returning `Option` from statement parsing) - #159853 (Updated expect messages for `CString` struct and method documentation) - #159875 (More cleanup in `rustc_attr_parsing`) - #159882 (Update expect messages in library/alloc/boxed.rs and library/alloc/string.rs to follow the style guide) - #159891 (Split multiline derives into std/rustc macros) - #159893 (Fix `find_attr` hygiene and `rustc_hir` cleanups) - #159895 (rustc-dev-guide subtree update) - #159902 (Clarify that the expected runtime symbols signature is for the current target only) - #159914 (Fix error in diagnostic on_unmatched_args) - #159917 (spare capacity mut constification) - #159918 (rename abort_unwind → abort_on_unwind) - #159936 (Minor `rustc_ast::ast` doc cleanups) - #159945 (Update expect messages in library/core/src/ptr/non_null.rs)

…ations, r=jhpratt spare capacity mut constification the better to allocate with

…uwer Rollup of 28 pull requests Successful merges: - #159638 (bootstrap: Split the `Step` trait into multiple traits) - #159774 (rustc_trait_selection: fix trait solver hang caused by degenerate obligations) - #159837 (line-tables-only test: check that the line number matches the function name) - #159946 (Update Enzyme submodule to imporve llvm-cov) - #159962 (miri subtree update) - #156570 (tests: extend remap-path-prefix-std to all stdlib rlibs) - #159617 (Fix up `#[linkage]` target checking) - #159633 (Improve workings of attribute suggestions) - #159733 (std: Switch implementations of `thread_local!` for WASI) - #159783 (Check unsafe impls on safe EIIs) - #159810 (Add tuple never coercion collection regression test) - #159826 (Remove redundant `#[rustc_paren_sugar]` feature gate) - #159846 (Implement `str::copy_from_str`) - #159849 (rustc_parse: Stop returning `Option` from statement parsing) - #159853 (Updated expect messages for `CString` struct and method documentation) - #159875 (More cleanup in `rustc_attr_parsing`) - #159882 (Update expect messages in library/alloc/boxed.rs and library/alloc/string.rs to follow the style guide) - #159891 (Split multiline derives into std/rustc macros) - #159893 (Fix `find_attr` hygiene and `rustc_hir` cleanups) - #159895 (rustc-dev-guide subtree update) - #159902 (Clarify that the expected runtime symbols signature is for the current target only) - #159914 (Fix error in diagnostic on_unmatched_args) - #159917 (spare capacity mut constification) - #159918 (rename abort_unwind → abort_on_unwind) - #159927 (Remove sve2 from the ImpliedFeatures of AArch64 v9a.) - #159936 (Minor `rustc_ast::ast` doc cleanups) - #159945 (Update expect messages in library/core/src/ptr/non_null.rs) - #159950 (Add CFI tests for return types and never type)

JonathanBrouwer · 2026-07-26T17:13:22Z

@bors try jobs=x86_64-mingw
Running try job to debug rollup failure

…try> spare capacity mut constification try-job: x86_64-mingw

rust-bors · 2026-07-26T17:14:05Z

💔 Test for 4195677 failed: CI. Failed job:

Calculate job matrix (web logs, enhanced plaintext logs)

JonathanBrouwer · 2026-07-26T17:14:46Z

@bors try jobs=x86_64-mingw

…try> spare capacity mut constification try-job: x86_64-mingw

rust-bors · 2026-07-26T17:15:35Z

💔 Test for 6740dc8 failed: CI. Failed job:

Calculate job matrix (web logs, enhanced plaintext logs)

rust-log-analyzer · 2026-07-26T17:27:10Z

A job failed! Check out the build log: (web) (plain enhanced) (plain)

Click to see the possible cause of the failure (guessed by this bot)

   Compiling diff v0.1.13
   Compiling citool v0.1.0 (/home/runner/work/rust/rust/src/ci/citool)
    Finished `dev` profile [unoptimized] target(s) in 13.95s
     Running `target/debug/citool calculate-job-matrix`
Run type: TryJob { job_patterns: Some(["x86_64-mingw"]) }
Error: Failed to calculate job matrix

Caused by:
    Patterns `x86_64-mingw` did not match any auto jobs
##[error]Process completed with exit code 1.

rust-log-analyzer · 2026-07-26T17:27:36Z

A job failed! Check out the build log: (web) (plain enhanced) (plain)

Click to see the possible cause of the failure (guessed by this bot)

   Compiling diff v0.1.13
   Compiling citool v0.1.0 (/home/runner/work/rust/rust/src/ci/citool)
    Finished `dev` profile [unoptimized] target(s) in 19.84s
     Running `target/debug/citool calculate-job-matrix`
Run type: TryJob { job_patterns: Some(["x86_64-mingw"]) }
Error: Failed to calculate job matrix

Caused by:
    Patterns `x86_64-mingw` did not match any auto jobs
##[error]Process completed with exit code 1.

JonathanBrouwer · 2026-07-26T17:56:18Z

@bors try jobs=x86_64-mingw

rust-bors · 2026-07-26T17:56:25Z

⌛ Trying commit b8fd8a8 with merge 9a97668…

To cancel the try build, run the command @bors try cancel.

Workflow: https://github.com/rust-lang/rust/actions/runs/30213636694

…try> spare capacity mut constification try-job: x86_64-mingw

JonathanBrouwer · 2026-07-26T17:56:47Z

@bors try cancel

rust-bors · 2026-07-26T17:56:50Z

Try build cancelled. Cancelled workflows:

https://github.com/rust-lang/rust/actions/runs/30213636694

JonathanBrouwer · 2026-07-26T17:56:51Z

@bors try jobs=x86_64-mingw-1

rust-bors · 2026-07-26T17:56:56Z

⌛ Trying commit b8fd8a8 with merge 57cc538…

To cancel the try build, run the command @bors try cancel.

Workflow: https://github.com/rust-lang/rust/actions/runs/30213654071

…try> spare capacity mut constification try-job: x86_64-mingw-1

spare capacity mut constification

b8fd8a8

rustbot assigned jhpratt Jul 25, 2026

rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-libs Relevant to the library team, which will review and decide on the PR/issue. labels Jul 25, 2026

rust-bors Bot added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jul 26, 2026

chenyukang added a commit to chenyukang/rust that referenced this pull request Jul 26, 2026

Rollup merge of rust-lang#159917 - bend-n:split_at_capacity_constific…

d083f9c

…ations, r=jhpratt spare capacity mut constification the better to allocate with

chenyukang added a commit to chenyukang/rust that referenced this pull request Jul 26, 2026

Rollup merge of rust-lang#159917 - bend-n:split_at_capacity_constific…

7d030b6

…ations, r=jhpratt spare capacity mut constification the better to allocate with

chenyukang mentioned this pull request Jul 26, 2026

Rollup of 10 pull requests #159948

Closed

chenyukang added a commit to chenyukang/rust that referenced this pull request Jul 26, 2026

Rollup merge of rust-lang#159917 - bend-n:split_at_capacity_constific…

04d59e8

…ations, r=jhpratt spare capacity mut constification the better to allocate with

chenyukang mentioned this pull request Jul 26, 2026

Rollup of 10 pull requests #159949

Closed

JonathanBrouwer added a commit to JonathanBrouwer/rust that referenced this pull request Jul 26, 2026

Rollup merge of rust-lang#159917 - bend-n:split_at_capacity_constific…

3cfa943

…ations, r=jhpratt spare capacity mut constification the better to allocate with

JonathanBrouwer mentioned this pull request Jul 26, 2026

Rollup of 25 pull requests #159952

Closed

JonathanBrouwer added a commit to JonathanBrouwer/rust that referenced this pull request Jul 26, 2026

Rollup merge of rust-lang#159917 - bend-n:split_at_capacity_constific…

ac29265

…ations, r=jhpratt spare capacity mut constification the better to allocate with

JonathanBrouwer mentioned this pull request Jul 26, 2026

Rollup of 24 pull requests #159957

Closed

JonathanBrouwer added a commit to JonathanBrouwer/rust that referenced this pull request Jul 26, 2026

Rollup merge of rust-lang#159917 - bend-n:split_at_capacity_constific…

cc06a86

…ations, r=jhpratt spare capacity mut constification the better to allocate with

JonathanBrouwer mentioned this pull request Jul 26, 2026

Rollup of 28 pull requests #159966

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rust-bors Bot pushed a commit that referenced this pull request Jul 26, 2026

Auto merge of #159917 - bend-n:split_at_capacity_constifications, r=<…

4195677

…try> spare capacity mut constification try-job: x86_64-mingw

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rust-bors Bot pushed a commit that referenced this pull request Jul 26, 2026

Auto merge of #159917 - bend-n:split_at_capacity_constifications, r=<…

6740dc8

…try> spare capacity mut constification try-job: x86_64-mingw

rust-bors Bot pushed a commit that referenced this pull request Jul 26, 2026

Auto merge of #159917 - bend-n:split_at_capacity_constifications, r=<…

9a97668

…try> spare capacity mut constification try-job: x86_64-mingw

rust-bors Bot pushed a commit that referenced this pull request Jul 26, 2026

Auto merge of #159917 - bend-n:split_at_capacity_constifications, r=<…

57cc538

…try> spare capacity mut constification try-job: x86_64-mingw-1

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