Rollup of 6 pull requests

[workingjubilee]

Successful merges:

• Make UnsafeCell::get_mut const #88722 (Make UnsafeCell::get_mut const)
• feat(rustc_typeck): suggest removing bad parens in (recv.method)() #88841 (feat(rustc_typeck): suggest removing bad parens in (recv.method)())
• Fix duplicate bounds for const_trait_impl #88851 (Fix duplicate bounds for const_trait_impl)
• Allow simd_shuffle to accept vectors of any length #88855 (Allow simd_shuffle to accept vectors of any length)
• Fix jump def background #88885 (Fix jump def background)
• Reduce possibility of flaky tests #88896 (Reduce possibility of flaky tests)

Failed merges:

r? @ghost
@rustbot modify labels: rollup

Create a similar rollup

[workingjubilee]

@bors r+ p=2 rollup=never

[bors]

📌 Commit 2901caf has been approved by workingjubilee

[bors]

⌛ Testing commit 2901caf with merge 9e5bacb8b5be9a0631880e0fe5b1f9e8c7ecbad9...

[bors]

💔 Test failed - checks-actions

[rust-log-analyzer]

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

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

[TIMING] Rustc { target: TargetSelection { triple: "x86_64-pc-windows-msvc", file: None }, compiler: Compiler { stage: 1, host: TargetSelection { triple: "x86_64-pc-windows-msvc", file: None } } } -- 0.807
Assembling stage2 compiler (x86_64-pc-windows-msvc)
[TIMING] Sysroot { compiler: Compiler { stage: 2, host: TargetSelection { triple: "x86_64-pc-windows-msvc", file: None } } } -- 0.000
[TIMING] Libdir { compiler: Compiler { stage: 2, host: TargetSelection { triple: "x86_64-pc-windows-msvc", file: None } }, target: TargetSelection { triple: "x86_64-pc-windows-msvc", file: None } } -- 0.000
thread 'main' panicked at 'failed to copy `D:\a\rust\rust\build\x86_64-pc-windows-msvc\stage1-rustc\x86_64-pc-windows-msvc\release\rustc-main.exe` to `D:\a\rust\rust\build\x86_64-pc-windows-msvc\stage2\bin\rustc.exe`: The process cannot access the file because it is being used by another process. (os error 32)', src\bootstrap\lib.rs:1335:17
Build completed unsuccessfully in 0:00:03

[workingjubilee]

It is extremely unlikely, to me, that these Windows errors are anything but spurious.

[workingjubilee]

Perhaps I can duplicate Guillaime's "success", at least:
@bors retry

[bors]

⌛ Testing commit 2901caf with merge c0be236ea97388032e792aa5261bc32a617e1a14...

[rust-log-analyzer]

A job failed! Check out the build log: (web)(plain)

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

[bors]

⌛ Testing commit 2901caf with merge 049dd124b495d232ce9899b2ad3461221674c2ee...

[rust-log-analyzer]

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

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

[TIMING] Rustc { target: TargetSelection { triple: "x86_64-pc-windows-msvc", file: None }, compiler: Compiler { stage: 1, host: TargetSelection { triple: "x86_64-pc-windows-msvc", file: None } } } -- 0.999
Assembling stage2 compiler (x86_64-pc-windows-msvc)
[TIMING] Sysroot { compiler: Compiler { stage: 2, host: TargetSelection { triple: "x86_64-pc-windows-msvc", file: None } } } -- 0.000
[TIMING] Libdir { compiler: Compiler { stage: 2, host: TargetSelection { triple: "x86_64-pc-windows-msvc", file: None } }, target: TargetSelection { triple: "x86_64-pc-windows-msvc", file: None } } -- 0.000
thread 'main' panicked at 'failed to copy `D:\a\rust\rust\build\x86_64-pc-windows-msvc\stage1-rustc\x86_64-pc-windows-msvc\release\rustc-main.exe` to `D:\a\rust\rust\build\x86_64-pc-windows-msvc\stage2\bin\rustc.exe`: The process cannot access the file because it is being used by another process. (os error 32)', src\bootstrap\lib.rs:1335:17
Build completed unsuccessfully in 0:00:04

[bors]

💔 Test failed - checks-actions