Rollup of 13 pull requests

[jhpratt]

Successful merges:

• Update transmute_copy to ub_checks and ?Sized #155989 (Update transmute_copy to ub_checks and ?Sized)
• Special-case emscripten without atomics to take no-threads path #156366 (Special-case emscripten without atomics to take no-threads path)
• Stabilize #[my_macro] mod foo; (part of proc_macro_hygiene) #157857 (Stabilize #[my_macro] mod foo; (part of proc_macro_hygiene))
• rustdoc: Fix crash when trying to inline foreign item which cannot have attributes #158751 (rustdoc: Fix crash when trying to inline foreign item which cannot have attributes)
• bootstrap: only encode RUSTFLAGS when a flag contains a space #158775 (bootstrap: only encode RUSTFLAGS when a flag contains a space)
• hook intrinsic-test into aarch64-gnu #158785 (hook intrinsic-test into aarch64-gnu)
• std: allocate less memory in current_exe for OpenBSD #158183 (std: allocate less memory in current_exe for OpenBSD)
• Update FIXME(static_mut_refs) comments #158730 (Update FIXME(static_mut_refs) comments)
• Use ThinVec more in the AST #158755 (Use ThinVec more in the AST)
• Fix incorrect tracking issue for read_le/read_be #158757 (Fix incorrect tracking issue for read_le/read_be)
• Fix ICE on non-ident path in doc(auto_cfg values) #158765 (Fix ICE on non-ident path in doc(auto_cfg values))
• library: expand HashSet::extract_if coverage #158771 (library: expand HashSet::extract_if coverage)
• rustc-dev-guide subtree update #158772 (rustc-dev-guide subtree update)

r? @ghost

Create a similar rollup

[jhpratt]

@bors r+ rollup=never p=3

@bors treeclosed=2

[rust-bors]

📌 Commit 27fadae has been approved by jhpratt

It is now in the queue for this repository.

🌲 The tree is currently closed for pull requests below priority 5. This pull request will be tested once the tree is reopened.

[rust-bors]

Tree closed for PRs with priority less than 2.

[jhpratt]

@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-2

[rust-log-analyzer]

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

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

   | ------------ associated items in this implementation
15 |     pub fn new() -> Condvar {
   |            ^^^
...
20 |     fn raw(&self) -> *mut libc::pthread_cond_t {
   |        ^^^
...
27 |     pub unsafe fn notify_one(self: Pin<&Self>) {
   |                   ^^^^^^^^^^
...
35 |     pub unsafe fn notify_all(self: Pin<&Self>) {
   |                   ^^^^^^^^^^
...
45 |     pub unsafe fn wait(self: Pin<&Self>, mutex: Pin<&Mutex>) {
   |                   ^^^^

warning: method `wait_timeout` is never used
  --> /rustc/33445209d774b243186fc5b3a72c37fd8e26c044/library/std/src/sys/pal/unix/sync/condvar.rs:57:19
   |
52 | impl Condvar {
   | ------------ method in this implementation
...
57 |     pub unsafe fn wait_timeout(&self, mutex: Pin<&Mutex>, dur: Duration) -> bool {
   |                   ^^^^^^^^^^^^

warning: associated items `PRECISE_TIMEOUT`, `CLOCK`, and `init` are never used
   --> /rustc/33445209d774b243186fc5b3a72c37fd8e26c044/library/std/src/sys/pal/unix/sync/condvar.rs:147:15
    |
146 | impl Condvar {
    | ------------ associated items in this implementation
147 |     pub const PRECISE_TIMEOUT: bool = true;
    |               ^^^^^^^^^^^^^^^
148 |     const CLOCK: libc::clockid_t = libc::CLOCK_MONOTONIC;
    |           ^^^^^
...
152 |     pub unsafe fn init(self: Pin<&mut Self>) {
    |                   ^^^^

warning: struct `Mutex` is never constructed
 --> /rustc/33445209d774b243186fc5b3a72c37fd8e26c044/library/std/src/sys/pal/unix/sync/mutex.rs:7:12
  |
7 | pub struct Mutex {
  |            ^^^^^

warning: associated items `new`, `raw`, `init`, `lock`, `try_lock`, and `unlock` are never used
  --> /rustc/33445209d774b243186fc5b3a72c37fd8e26c044/library/std/src/sys/pal/unix/sync/mutex.rs:12:12
   |
11 | impl Mutex {
   | ---------- associated items in this implementation
12 |     pub fn new() -> Mutex {
   |            ^^^
...
16 |     pub(super) fn raw(&self) -> *mut libc::pthread_mutex_t {
   |                   ^^^
...
22 |     pub unsafe fn init(self: Pin<&mut Self>) {
   |                   ^^^^
...
---

warning: struct `AttrGuard` is never constructed
   --> /rustc/33445209d774b243186fc5b3a72c37fd8e26c044/library/std/src/sys/pal/unix/sync/mutex.rs:126:8
    |
126 | struct AttrGuard<'a>(pub &'a mut MaybeUninit<libc::pthread_mutexattr_t>);
    |        ^^^^^^^^^

[RUSTC-TIMING] std test:false 5.704
error: `std` (lib) generated 9 warnings (run `cargo fix --lib -p std` to apply 1 suggestion)
error: warnings are denied by `build.warnings` configuration

[rust-bors]

PR #156366, which is a member of this rollup, was unapproved.

This rollup was thus unapproved.

[rust-bors]

💔 Test for 3344520 failed: CI. Failed job:

• try - dist-various-1 (web logs, enhanced plaintext logs)