Rollup of 16 pull requests

[JonathanBrouwer]

Successful merges:

• [PAC] Encoder and hash (1/8) #159071 ([PAC] Encoder and hash (1/8))
• bootstrap: Move all non-module items out of the crate root #161277 (bootstrap: Move all non-module items out of the crate root)
• Some GlobalCtxt/Session cleanups #161332 (Some GlobalCtxt/Session cleanups)
• Update the rustc-perf submodule #161344 (Update the rustc-perf submodule)
• rustdoc: Always document #[repr(transparent)] if #[rustc_pub_transparent] is applied #150931 (rustdoc: Always document #[repr(transparent)] if #[rustc_pub_transparent] is applied)
• Add remove hidden_glob_reexports item breaks downstream test #160582 (Add remove hidden_glob_reexports item breaks downstream test)
• remove unwrap from write_mir_fn_graphviz #160876 (remove unwrap from write_mir_fn_graphviz)
• Enhance EII UI tests #160927 (Enhance EII UI tests)
• fix arm homogeneous aggregate ABI #161070 (fix arm homogeneous aggregate ABI)
• Download auto jobs in citool in parallel #161236 (Download auto jobs in citool in parallel)
• Reserve capacity for 3% anon nodes #161254 (Reserve capacity for 3% anon nodes)
• Tighten the language used for documenting TargetOptions::llvm_abiname #161283 (Tighten the language used for documenting TargetOptions::llvm_abiname)
• Rename ProjectionPredicate and TraitPredicate #161291 (Rename ProjectionPredicate and TraitPredicate)
• Remove a bunch of unnecessary explicit lifetimes #161299 (Remove a bunch of unnecessary explicit lifetimes)
• make ARM maintainers pingable #161307 (make ARM maintainers pingable)
• Add regression test for rustc diagnostic to recognize variables in match guards #161308 (Add regression test for rustc diagnostic to recognize variables in match guards)

r? @ghost

Create a similar rollup

[JonathanBrouwer]

@bors r+ p=5

[rust-bors]

📌 Commit 50154f6 has been approved by JonathanBrouwer

It is now in the queue for this repository.

[rust-bors]

💔 Test for b36ff5f failed: CI. Failed job:

• auto - dist-x86_64-msvc (web logs, enhanced plaintext logs)

[rust-bors]

PR #161277, which is a member of this rollup, was unapproved.

[rust-log-analyzer]

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

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

  |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default

error: `bootstrap` (lib) generated 1 warning (run `cargo fix --lib -p bootstrap` to apply 1 suggestion)
error: warnings are denied by `build.warnings` configuration
failed to run: C:\a\rust\rust\build\x86_64-pc-windows-msvc\stage0\bin\cargo.exe build --jobs=default --manifest-path C:\a\rust\rust\src/bootstrap/Cargo.toml -Zroot-dir=C:\a\rust\rust --locked --features build-metrics
Build completed unsuccessfully in 0:00:46
make: *** [Makefile:102: prepare] Error 1
Command failed. Attempt 2/5:
##[group]Building bootstrap
warning: unused import: `crate::core::session::Build`
##[warning] --> src\bootstrap\src\utils\job.rs:4:5
  |
4 | use crate::core::session::Build;
  |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default

error: `bootstrap` (lib) generated 1 warning (run `cargo fix --lib -p bootstrap` to apply 1 suggestion)
error: warnings are denied by `build.warnings` configuration
failed to run: C:\a\rust\rust\build\x86_64-pc-windows-msvc\stage0\bin\cargo.exe build --jobs=default --manifest-path C:\a\rust\rust\src/bootstrap/Cargo.toml -Zroot-dir=C:\a\rust\rust --locked --features build-metrics
Build completed unsuccessfully in 0:00:00
make: *** [Makefile:102: prepare] Error 1
Command failed. Attempt 3/5:
##[group]Building bootstrap
warning: unused import: `crate::core::session::Build`
##[warning] --> src\bootstrap\src\utils\job.rs:4:5
  |
4 | use crate::core::session::Build;
  |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default

error: `bootstrap` (lib) generated 1 warning (run `cargo fix --lib -p bootstrap` to apply 1 suggestion)
error: warnings are denied by `build.warnings` configuration
failed to run: C:\a\rust\rust\build\x86_64-pc-windows-msvc\stage0\bin\cargo.exe build --jobs=default --manifest-path C:\a\rust\rust\src/bootstrap/Cargo.toml -Zroot-dir=C:\a\rust\rust --locked --features build-metrics
Build completed unsuccessfully in 0:00:00
make: *** [Makefile:102: prepare] Error 1
Command failed. Attempt 4/5:
##[group]Building bootstrap
warning: unused import: `crate::core::session::Build`
##[warning] --> src\bootstrap\src\utils\job.rs:4:5
  |
4 | use crate::core::session::Build;
  |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default

error: `bootstrap` (lib) generated 1 warning (run `cargo fix --lib -p bootstrap` to apply 1 suggestion)
error: warnings are denied by `build.warnings` configuration
failed to run: C:\a\rust\rust\build\x86_64-pc-windows-msvc\stage0\bin\cargo.exe build --jobs=default --manifest-path C:\a\rust\rust\src/bootstrap/Cargo.toml -Zroot-dir=C:\a\rust\rust --locked --features build-metrics
Build completed unsuccessfully in 0:00:00
make: *** [Makefile:102: prepare] Error 1
Command failed. Attempt 5/5:
##[group]Building bootstrap
warning: unused import: `crate::core::session::Build`
##[warning] --> src\bootstrap\src\utils\job.rs:4:5
  |
4 | use crate::core::session::Build;
  |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default

error: `bootstrap` (lib) generated 1 warning (run `cargo fix --lib -p bootstrap` to apply 1 suggestion)
error: warnings are denied by `build.warnings` configuration
failed to run: C:\a\rust\rust\build\x86_64-pc-windows-msvc\stage0\bin\cargo.exe build --jobs=default --manifest-path C:\a\rust\rust\src/bootstrap/Cargo.toml -Zroot-dir=C:\a\rust\rust --locked --features build-metrics
Build completed unsuccessfully in 0:00:00
make: *** [Makefile:102: prepare] Error 1
The command has failed after 5 attempts.
  local time: Wed Aug 19 14:17:00 CUT 2026
  network time: Wed, 19 Aug 2026 14:17:00 GMT