Rollup of 12 pull requests

[JonathanBrouwer]

Successful merges:

• Upgrade and deduplicate dependencies #160529 (Upgrade and deduplicate dependencies)
• Library: enforce clippy deref lints in CI #161017 (Library: enforce clippy deref lints in CI)
• bootstrap: add bootstrap step to run stdarch-gen checks in CI #156674 (bootstrap: add bootstrap step to run stdarch-gen checks in CI)
• [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)
• 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())
• 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))

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 955d8a7 has been approved by JonathanBrouwer

It is now in the queue for this repository.

[rust-log-analyzer]

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

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

   Compiling serde_with v3.18.0
   Compiling stdarch-gen-common v0.1.0 (D:\a\rust\rust\library\stdarch\crates\stdarch-gen-common)
   Compiling stdarch-gen-arm v0.1.0 (D:\a\rust\rust\library\stdarch\crates\stdarch-gen-arm)
    Finished `release` profile [optimized + debuginfo] target(s) in 1m 02s
     Running `D:\a\rust\rust\build\stdarch-gen-check\target\release\stdarch-gen-arm.exe crates/stdarch-gen-arm/spec crates/core_arch/src`
Error: "generated.rs: contents differ"
error: process didn't exit successfully: `D:\a\rust\rust\build\stdarch-gen-check\target\release\stdarch-gen-arm.exe crates/stdarch-gen-arm/spec crates/core_arch/src` (exit code: 1)
Command `D:\a\rust\rust\build\x86_64-pc-windows-gnu\stage0\bin\cargo.exe run --bin stdarch-gen-arm --release -- crates/stdarch-gen-arm/spec crates/core_arch/src [workdir=D:\a\rust\rust\library/stdarch]` failed with exit code 1
Created at: src\bootstrap\src\core\build_steps\test.rs:1275:27
Executed at: src\bootstrap\src\core\build_steps\test.rs:1284:17

Command has failed. Rerun with -v to see more details.
Bootstrap failed while executing `test --stage 2 --skip=compiler --skip=src`
Currently active steps:
test::StdarchGenCheck { host: x86_64-pc-windows-gnu } at src\bootstrap\src\core\build_steps\test.rs:1244
Build completed unsuccessfully in 1:49:02
make: *** [Makefile:126: ci-mingw-x] Error 1
  local time: Sun Aug 16 16:51:22 CUT 2026
  network time: Sun, 16 Aug 2026 16:51:23 GMT
##[error]Process completed with exit code 2.
##[group]Run echo "disk usage:"
echo "disk usage:"

[rust-bors]

💔 Test for f40c521 failed: CI. Failed jobs:

• try - i686-msvc-1 (web logs, enhanced plaintext logs)
• try - i686-msvc-2 (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)

[rust-bors]

⌛ Testing commit 955d8a7 with merge 508274e...

Workflow: https://github.com/rust-lang/rust/actions/runs/31962437793

[rust-bors]

PR #156674, which is a member of this rollup, was unapproved.

This rollup was thus unapproved.

Auto build was cancelled due to unapproval. Cancelled workflows:

• https://github.com/rust-lang/rust/actions/runs/31962437793