Rollup of 25 pull requests

[JonathanBrouwer]

Successful merges:

• Added implementation on set_permissions_nofollow for all primary platforms #158168 (Added implementation on set_permissions_nofollow for all primary platforms)
• bootstrap: Split the Step trait into multiple traits #159638 (bootstrap: Split the Step trait into multiple traits)
• rustc_trait_selection: fix trait solver hang caused by degenerate obligations #159774 (rustc_trait_selection: fix trait solver hang caused by degenerate obligations)
• line-tables-only test: check that the line number matches the function name #159837 (line-tables-only test: check that the line number matches the function name)
• Update Enzyme submodule to imporve llvm-cov #159946 (Update Enzyme submodule to imporve llvm-cov)
• Fix up #[linkage] target checking #159617 (Fix up #[linkage] target checking)
• std: Switch implementations of thread_local! for WASI #159733 (std: Switch implementations of thread_local! for WASI)
• Check unsafe impls on safe EIIs #159783 (Check unsafe impls on safe EIIs)
• Add tuple never coercion collection regression test #159810 (Add tuple never coercion collection regression test)
• Update expect message using the recommended style in binary_heap module #159821 (Update expect message using the recommended style in binary_heap module)
• Remove redundant #[rustc_paren_sugar] feature gate #159826 (Remove redundant #[rustc_paren_sugar] feature gate)
• Implement str::copy_from_str #159846 (Implement str::copy_from_str)
• rustc_parse: Stop returning Option from statement parsing #159849 (rustc_parse: Stop returning Option from statement parsing)
• Updated expect messages for CString struct and method documentation #159853 (Updated expect messages for CString struct and method documentation)
• More cleanup in rustc_attr_parsing #159875 (More cleanup in rustc_attr_parsing)
• Update expect messages in library/alloc/boxed.rs and library/alloc/string.rs to follow the style guide #159882 (Update expect messages in library/alloc/boxed.rs and library/alloc/string.rs to follow the style guide)
• Split multiline derives into std/rustc macros #159891 (Split multiline derives into std/rustc macros)
• Fix find_attr hygiene and rustc_hir cleanups #159893 (Fix find_attr hygiene and rustc_hir cleanups)
• rustc-dev-guide subtree update #159895 (rustc-dev-guide subtree update)
• Clarify that the expected runtime symbols signature is for the current target only #159902 (Clarify that the expected runtime symbols signature is for the current target only)
• Fix error in diagnostic on_unmatched_args #159914 (Fix error in diagnostic on_unmatched_args)
• spare capacity mut constification #159917 (spare capacity mut constification)
• rename abort_unwind → abort_on_unwind #159918 (rename abort_unwind → abort_on_unwind)
• Minor rustc_ast::ast doc cleanups #159936 (Minor rustc_ast::ast doc cleanups)
• Update expect messages in library/core/src/ptr/non_null.rs #159945 (Update expect messages in library/core/src/ptr/non_null.rs)

r? @ghost

Create a similar rollup

[JonathanBrouwer]

@bors r+ rollup=never p=100

Trying commonly failed jobs
@bors try jobs=dist-various-1,test-various,x86_64-gnu-aux,x86_64-gnu-llvm-21-3,x86_64-msvc-1,aarch64-apple,x86_64-mingw-1,i686-msvc-*

[rust-bors]

📌 Commit e2ad632 has been approved by JonathanBrouwer

It is now in the queue for this repository.

[rust-log-analyzer]

The job x86_64-msvc-1 failed! Check out the build log: (web) (plain enhanced) (plain)

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

failures:

---- fs::tests::set_get_permissions_nofollows_symlink stdout ----

thread 'fs::tests::set_get_permissions_nofollows_symlink' (5908) panicked at library\std\src\fs\tests.rs:674:37:
called `Result::unwrap_err()` on an `Ok` value: ()
---- fs::tests::set_get_permissions_nofollows_symlink stdout end ----

failures:
    fs::tests::set_get_permissions_nofollows_symlink

test result: FAILED. 522 passed; 1 failed; 5 ignored; 0 measured; 0 filtered out; finished in 20.93s

error: test failed, to rerun pass `-p std --lib`
Bootstrap failed while executing `test --stage 2 --skip=compiler --skip=src --skip=src/tools/linkchecker`
Currently active steps:
test::Crate { build_compiler: Compiler { stage: 2, host: x86_64-pc-windows-msvc, forced_compiler: false }, target: x86_64-pc-windows-msvc, mode: Std, crates: ["alloc", "alloctests", "compiler_builtins", "core", "coretests", "panic_abort", "panic_unwind", "proc_macro", "profiler_builtins", "rustc-std-workspace-core", "std", "std_detect", "sysroot", "test", "unwind"] } at src\bootstrap\src\core\build_steps\test.rs:3384
Build completed unsuccessfully in 1:51:58
make: *** [Makefile:115: ci-msvc-py] Error 1
  local time: Sun Jul 26 09:57:53 CUT 2026
  network time: Sun, 26 Jul 2026 09:57:53 GMT
##[error]Process completed with exit code 2.
##[group]Run echo "disk usage:"
echo "disk usage:"

[rust-bors]

PR #158168, which is a member of this rollup, was unapproved.

This rollup was thus unapproved.

[rust-bors]

💔 Test for 8203353 failed: CI. Failed jobs:

• try - i686-msvc-1 (web logs, enhanced plaintext logs)
• try - x86_64-mingw-1 (web logs, enhanced plaintext logs)
• try - x86_64-msvc-1 (web logs, enhanced plaintext logs)