Rollup of 16 pull requests

[JonathanBrouwer]

Successful merges:

• Library: enforce clippy deref lints in CI #161017 (Library: enforce clippy deref lints in CI)
• std: fix unix socket address truncation without a trailing NUL #160416 (std: fix unix socket address truncation without a trailing NUL)
• [CI] Build newer binutils before building gcc #161006 ([CI] Build newer binutils before building gcc)
• Add documentation for BPF targets #161141 (Add documentation for BPF targets)
• bootstrap: Move several items out of the crate root #161157 (bootstrap: Move several items out of the crate root)
• std: guard against unwinds in queue-based Once #161185 (std: guard against unwinds in queue-based Once)
• std: retry waitid on EINTR in the pidfd wait path #159855 (std: retry waitid on EINTR in the pidfd wait path)
• diagnostics: Suggest fn binding type for unstable closure for<> binders #160478 (diagnostics: Suggest fn binding type for unstable closure for<> binders)
• Add regression test for borrow of array drop type in const #161053 (Add regression test for borrow of array drop type in const)
• Add regression test for path printing with infinitely many visible names #161073 (Add regression test for path printing with infinitely many visible names)
• Add regression test for unstable def_ident_span fingerprint with incremental recompilation #161099 (Add regression test for unstable def_ident_span fingerprint with incremental recompilation)
• cleanup: rip out unnecessary iter().last() and iter().next() #161103 (cleanup: rip out unnecessary iter().last() and iter().next())
• Add BPF test for Rust ABI stack arguments #161136 (Add BPF test for Rust ABI stack arguments)
• Switch to c8a EC2 runner for auto merges #161146 (Switch to c8a EC2 runner for auto merges)
• [rustdoc] Put back one removed flaky GUI test (which hopefully isn't flaky anymore) #161148 ([rustdoc] Put back one removed flaky GUI test (which hopefully isn't flaky anymore))
• Add back flaky gui rustdoc test tests/rustdoc-gui/headers-color.goml #161181 (Add back flaky gui rustdoc test tests/rustdoc-gui/headers-color.goml)

r? @ghost

Create a similar rollup

[JonathanBrouwer]

@bors r+ p=5

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-1,aarch64-apple-2,x86_64-mingw-1,i686-msvc-1,i686-msvc-2

[rust-bors]

📌 Commit 10fe699 has been approved by JonathanBrouwer

It is now in the queue for this repository.

[rust-log-analyzer]

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

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

tests/pass-dep/libc/libc-time.rs ... ok
tests/pass-dep/libc/libc-time.rs (revision `run`) ... ok

FAILED TEST: tests/pass-dep/libc/libc-mem.rs (revision `run`)
command: MIRI_BE_RUSTC="host" MIRI_ENV_VAR_TEST="0" MIRI_TEMP="/tmp/miri-uitest-iQj7cN" RUST_BACKTRACE="1" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/tmp/miri_ui/0/tests/pass-dep/libc/libc-mem"

error: test got exit status: 101, but expected 0
##[error]   --> tests/pass-dep/libc/libc-mem.rs:348:9
    |
348 |         assert_eq!(libc::memcmp(b"abc".as_ptr().cast(), b"aaa".as_ptr().cast(), 3), 1);
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ assertion `left == right` failed
    |

full stderr:

---

Location:
   /cargo/registry/src/index.crates.io-1949cf8c6b5b557f/ui_test-0.30.7/src/lib.rs:365

Backtrace omitted. Run with RUST_BACKTRACE=1 environment variable to display it.
Run with RUST_BACKTRACE=full to include source snippets.
error: test failed, to rerun pass `--test ui`

Caused by:
  process didn't exit successfully: `/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-tools/x86_64-unknown-linux-gnu/release/build/miri/2ec6a97ceffd75d6/out/ui-2ec6a97ceffd75d6` (exit status: 1)
Command `/checkout/obj/build/x86_64-unknown-linux-gnu/stage0/bin/cargo test --target x86_64-unknown-linux-gnu -Zbinary-dep-depinfo -j 4 -Zroot-dir=/checkout --locked --color=always --profile=release --manifest-path /checkout/src/tools/miri/Cargo.toml -- [workdir=/checkout]` failed with exit code 1
Created at: src/bootstrap/src/core/build_steps/tool.rs:207:21
Executed at: src/bootstrap/src/core/build_steps/test.rs:791:19

Command has failed. Rerun with -v to see more details.
Bootstrap failed while executing `test --stage 2 miri cargo-miri`
Currently active steps:
test::Miri { target: x86_64-unknown-linux-gnu } at src/bootstrap/src/core/build_steps/test.rs:717
Build completed unsuccessfully in 0:40:13
  local time: Sun Aug 16 19:59:58 UTC 2026

[rust-bors]

This pull request was unapproved due to being closed.

[rust-bors]

☀️ Try build successful (CI)
Build commit: 77a74fc (77a74fc70369b7af2005b2108e66d3550424c06c)
Base parent: bf063f1 (bf063f193b6fa5d0501884ffad75952ddf7e7b3c)