Rollup of 7 pull requests

[JonathanBrouwer]

Successful merges:

• Sync from portable simd 2026 07 20 #159582 (Sync from portable simd 2026 07 20)
• ergonomic_clones_dotuse_capture_by_ref: Capture upvar by ref for .use in non-move closures #157270 (ergonomic_clones_dotuse_capture_by_ref: Capture upvar by ref for .use in non-move closures)
• Move check_rustc_pub_transparent into the attribute parser #158496 (Move check_rustc_pub_transparent into the attribute parser)
• Move std::io::buffered to alloc::io #158547 (Move std::io::buffered to alloc::io)
• make rustdoc::bare_urls strip trailing periods from url #159505 (make rustdoc::bare_urls strip trailing periods from url)
• Extract coroutine closure helper functions #159578 (Extract coroutine closure helper functions)
• Set the rustc lib path for unstable-book-gen #159613 (Set the rustc lib path for unstable-book-gen)

r? @ghost

Create a similar rollup

[JonathanBrouwer]

@bors r+ rollup=never 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,x86_64-mingw-1,i686-msvc-*

[rust-bors]

📌 Commit 158d2b6 has been approved by JonathanBrouwer

It is now in the queue for this repository.

[rust-log-analyzer]

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

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

failures:

---- num::floats::log::test_f16 stdout ----

thread 'num::floats::log::test_f16' (2394) panicked at library/coretests/tests/num/floats.rs:1668:9:
1.011 is not approximately equal to 1.0 (threshold 0.01, difference 0.01074)
---- num::floats::log::test_f16 stdout end ----

failures:
    num::floats::log::test_f16

test result: FAILED. 2738 passed; 1 failed; 25 ignored; 0 measured; 0 filtered out; finished in 1509.67s

error: test failed, to rerun pass `-p coretests --test coretests`
Bootstrap failed while executing `miri --stage 2 library/core library/alloc --tests`
Currently active steps:
test::Crate { build_compiler: Compiler { stage: 2, host: x86_64-unknown-linux-gnu, forced_compiler: false }, target: x86_64-unknown-linux-gnu, mode: Std, crates: ["alloc", "core"] } at src/bootstrap/src/core/build_steps/test.rs:3361
Build completed unsuccessfully in 0:47:58
make: *** [Makefile:56: check-aux] Error 1
  local time: Mon Jul 20 22:16:44 UTC 2026
  network time: Mon, 20 Jul 2026 22:16:44 GMT
##[error]Process completed with exit code 2.
##[group]Run echo "disk usage:"
echo "disk usage:"

[rust-bors]

💔 Test for a7b8f0e failed: CI. Failed job:

• try - x86_64-gnu-aux (web logs, enhanced plaintext logs)

[rust-log-analyzer]

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

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

failures:

---- num::floats::log::test_f16 stdout ----

thread 'num::floats::log::test_f16' (2394) panicked at library/coretests/tests/num/floats.rs:1668:9:
1.011 is not approximately equal to 1.0 (threshold 0.01, difference 0.01074)
---- num::floats::log::test_f16 stdout end ----

failures:
    num::floats::log::test_f16

test result: FAILED. 2738 passed; 1 failed; 25 ignored; 0 measured; 0 filtered out; finished in 1510.80s

error: test failed, to rerun pass `-p coretests --test coretests`
Bootstrap failed while executing `miri --stage 2 library/core library/alloc --tests`
Currently active steps:
test::Crate { build_compiler: Compiler { stage: 2, host: x86_64-unknown-linux-gnu, forced_compiler: false }, target: x86_64-unknown-linux-gnu, mode: Std, crates: ["alloc", "core"] } at src/bootstrap/src/core/build_steps/test.rs:3361
Build completed unsuccessfully in 0:51:36
make: *** [Makefile:56: check-aux] Error 1
  local time: Tue Jul 21 03:22:37 UTC 2026
  network time: Tue, 21 Jul 2026 03:22:37 GMT
##[error]Process completed with exit code 2.
##[group]Run echo "disk usage:"
echo "disk usage:"

[rust-bors]

💔 Test for 13abc2e failed: CI. Failed job:

• auto - x86_64-gnu-aux (web logs, enhanced plaintext logs)

[rust-bors]

PR #159582, which is a member of this rollup, was unapproved.