Rollup of 24 pull requests

[JonathanBrouwer]

Successful merges:

• Run LLDB debuginfo tests on x86_64-pc-windows-msvc in CI #163090 (Run LLDB debuginfo tests on x86_64-pc-windows-msvc in CI)
• even more tests/crashes migration for -Znext-solver #163806 (even more tests/crashes migration for -Znext-solver)
• Document the rustc_on_unimplemented attribute. #163508 (Document the rustc_on_unimplemented attribute.)
• Use target_family = "wasm" instead of target_arch = "wasm32" #163794 (Use target_family = "wasm" instead of target_arch = "wasm32")
• use the type name instead of Self in constructor paths again #163863 (use the type name instead of Self in constructor paths again)
• Remove CLAUDE.md #163864 (Remove CLAUDE.md)
• Add regression test for duplicated rustdoc search results between std and core #163877 (Add regression test for duplicated rustdoc search results between std and core)
• Shrink PartialRes and its alignment #163916 (Shrink PartialRes and its alignment)
• On name resolution error in parameter list, suggest possible const typo and avoid unnecessary second error #149753 (On name resolution error in parameter list, suggest possible const typo and avoid unnecessary second error)
• Oneshot is_ready #152557 (Oneshot is_ready)
• Stabilize optimize attribute #157273 (Stabilize optimize attribute)
• peel_transparent_wrappers only works on non-1ZST #162000 (peel_transparent_wrappers only works on non-1ZST)
• abby DSL: sanity checks on forall where clauses #163257 (abby DSL: sanity checks on forall where clauses)
• unit and [1 x unit] layouts are incompatible on big-endian targets #163343 (unit and [1 x unit] layouts are incompatible on big-endian targets)
• perf:cache FFI safety results in improper_ctypes lint #163348 (perf:cache FFI safety results in improper_ctypes lint)
• Move more rustdoc-html tests in the right location #163768 (Move more rustdoc-html tests in the right location)
• check is_indirect_first_projection when replacing in RefProp #163778 (check is_indirect_first_projection when replacing in RefProp)
• cg_llvm: Avoid as_c_char_ptr in several places #163789 (cg_llvm: Avoid as_c_char_ptr in several places)
• Add has_reliable_f16b for Arm #163807 (Add has_reliable_f16b for Arm)
• Switch TLS implementation for wasi and bump SDK version to 34 #163809 (Switch TLS implementation for wasi and bump SDK version to 34)
• Update books #163826 (Update books)
• ci: update to PowerShell 7.6.6 #163849 (ci: update to PowerShell 7.6.6)
• INSTALL.md: use UCRT64 instead of MINGW64 in MSYS2 section #163869 (INSTALL.md: use UCRT64 instead of MINGW64 in MSYS2 section)
• Add if-installed:auto:spellcheck to pre-push script #163870 (Add if-installed:auto:spellcheck to pre-push script)

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[rust-bors]

📌 Commit b48cef9 has been approved by JonathanBrouwer

It is now in the queue for this repository.

[JonathanBrouwer]

@bors cancel
4 waiting checks

[rust-bors]

Auto build was cancelled. Cancelled workflows:

• https://github.com/rust-lang/rust/actions/runs/37613620990

The next pull request likely to be tested is #163934.

[rust-log-analyzer]

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

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

failures:

---- net::tcp::tests::connect_timeout_error stdout ----

thread 'net::tcp::tests::connect_timeout_error' (306130) panicked at library/std/src/net/tcp/tests.rs:66:53:
called `Result::unwrap()` on an `Err` value: Os { code: 98, kind: AddrInUse, message: "Address already in use" }
---- net::tcp::tests::connect_timeout_error stdout end ----

failures:
    net::tcp::tests::connect_timeout_error
---
Build completed unsuccessfully in 0:40:53
make: *** [Makefile:49: check] Error 1
Bootstrap failed while executing `test distcheck`
Currently active steps:
test::Distcheck {  } at src/bootstrap/src/core/build_steps/test.rs:3888
Command `make check [workdir=/tmp/distcheck/distcheck-rustc-src]` failed with exit code 2
Created at: src/bootstrap/src/core/build_steps/test.rs:3936:5
Executed at: src/bootstrap/src/core/build_steps/test.rs:3942:10

Command has failed. Rerun with -v to see more details.
Build completed unsuccessfully in 0:47:46
  local time: Wed Oct  7 13:03:13 UTC 2026
  network time: Wed, 07 Oct 2026 13:03:13 GMT
##[error]Process completed with exit code 1.
##[group]Run echo "disk usage:"

[rust-bors]

💔 Test for 636e8d2 failed: CI. Failed job:

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

[JonathanBrouwer]

@bors retry

[JonathanBrouwer]

@bors cancel
Stuck

[rust-bors]

Auto build was cancelled. Cancelled workflows:

• https://github.com/rust-lang/rust/actions/runs/37625890903

The next pull request likely to be tested is #163934.

[rust-log-analyzer]

The job test-pr-check-2 failed! Check out the build log: (web) (plain enhanced) (plain)

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

failures:

---- net::tcp::tests::connect_timeout_error stdout ----

thread 'net::tcp::tests::connect_timeout_error' (44180) panicked at library/std/src/net/tcp/tests.rs:66:53:
called `Result::unwrap()` on an `Err` value: Os { code: 98, kind: AddrInUse, message: "Address already in use" }
---- net::tcp::tests::connect_timeout_error stdout end ----

failures:
    net::tcp::tests::connect_timeout_error

[rust-bors]

💔 Test for b65d04e failed: CI. Failed job:

• auto - test-pr-check-2 (web logs, enhanced plaintext logs)