Rollup of 7 pull requests

[jhpratt]

Successful merges:

• dirfd dir operations (3/4) #160533 (dirfd dir operations (3/4))
• bootstrap: Remove PATH_REMAP from command-line selector handling  #160675 (bootstrap: Remove PATH_REMAP from command-line selector handling )
• Update rustc crate rkyv to 0.8.18 #160807 (Update rustc crate rkyv to 0.8.18)
• Add nightly-only support for Cargo unremap trim-paths files in rust-gdb #160560 (Add nightly-only support for Cargo unremap trim-paths files in rust-gdb)
• Change .expect message on net/parser to follow precondition style #160804 (Change .expect message on net/parser to follow precondition style)
• extern "custom": add tests #160805 (extern "custom": add tests)
• Mark const ptr methods and free functions as inline(always) to match *mut #160816 (Mark const ptr methods and free functions as inline(always) to match *mut)

r? @ghost

Create a similar rollup

[jhpratt]

@bors r+ p=5

[rust-bors]

📌 Commit 0ab89c7 has been approved by jhpratt

It is now in the queue for this repository.

[rust-log-analyzer]

The job aarch64-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::test_dir_create_dir stdout ----

thread 'fs::tests::test_dir_create_dir' (11204) panicked at library\std\src\fs\tests.rs:2753:5:
dir.create_dir("foo") failed with: creating or truncating a file requires write or append access
---- fs::tests::test_dir_create_dir stdout end ----
---- fs::tests::test_dir_open_dir stdout ----

thread 'fs::tests::test_dir_open_dir' (8216) panicked at library\std\src\fs\tests.rs:2761:5:
dir1.create_dir("foo") failed with: creating or truncating a file requires write or append access
---- fs::tests::test_dir_open_dir stdout end ----

failures:
    fs::tests::test_dir_create_dir
    fs::tests::test_dir_open_dir

test result: FAILED. 386 passed; 2 failed; 10 ignored; 0 measured; 0 filtered out; finished in 18.23s

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: aarch64-pc-windows-msvc, forced_compiler: false }, target: aarch64-pc-windows-msvc, mode: Std, crates: ["alloc", "alloctests", "compiler_builtins", "core", "coretests", "panic_abort", "panic_unwind", "proc_macro", "rustc-std-workspace-core", "std", "std_detect", "sysroot", "test", "unwind"] } at src\bootstrap\src\core\build_steps\test.rs:3378
Build completed unsuccessfully in 1:31:30
make: *** [Makefile:115: ci-msvc-py] Error 1
  local time: Mon Aug 10 03:17:26 CUT 2026
  network time: Mon, 10 Aug 2026 03:17:26 GMT
##[error]Process completed with exit code 2.
##[group]Run echo "disk usage:"
echo "disk usage:"

[rust-bors]

💔 Test for ae22f5b failed: CI. Failed job:

• auto - aarch64-msvc-1 (web logs, enhanced plaintext logs)

[rust-bors]

PR #160533, which is a member of this rollup, was unapproved.