Rollup of 9 pull requests

[matthiaskrgr]

Successful merges:

• Add hard error and migration lint for unsafe attrs #126177 (Add hard error and migration lint for unsafe attrs)
• Promote loongarch64-unknown-linux-musl to Tier 2 with host tools #126298 (Promote loongarch64-unknown-linux-musl to Tier 2 with host tools)
• For [E0308]: mismatched types, when expr is in an arm's body, not add semicolon ';' at the end of it. #126455 (For [E0308]: mismatched types, when expr is in an arm's body, not add semicolon ';' at the end of it.)
• Implement use<> formatting in rustfmt #126754 (Implement use<> formatting in rustfmt)
• std::unix::fs: copy simplification for apple. #126807 (std::unix::fs: copy simplification for apple.)
• Weekly cargo update #126845 (Weekly cargo update)
• Fix 32-bit Arm reg classes by hierarchically sorting them #126849 (Fix 32-bit Arm reg classes by hierarchically sorting them)
• std::unix::os::home_dir: fallback's optimisation. #126854 (std::unix::os::home_dir: fallback's optimisation.)
• Remove stray println from rustfmt's rewrite_static #126888 (Remove stray println from rustfmt's rewrite_static)

r? @ghost
@rustbot modify labels: rollup

Create a similar rollup

[matthiaskrgr]

@bors r+ rollup=never p=9

[bors]

📌 Commit b94d275 has been approved by matthiaskrgr

It is now in the queue for this repository.

[bors]

⌛ Testing commit b94d275 with merge 2c243d9...

[bors]

☀️ Test successful - checks-actions
Approved by: matthiaskrgr
Pushing 2c243d9 to master...

[rust-timer]

📌 Perf builds for each rolled up PR:

PR#	Message	Perf Build Sha
#126177	Add hard error and migration lint for unsafe attrs	63831c9e84d565161d65e06884a43868e052bab8 (link)
#126298	Promote loongarch64-unknown-linux-musl to Tier 2 with host …	f1a9f627a311932acfdfaabb41857a49aeffefcb (link)
#126455	For [E0308]: mismatched types, when expr is in an arm's bod…	2374131a7fb94c42826a12db462fde4db8cca834 (link)
#126754	Implement use<> formatting in rustfmt	e7e363a859db9c5d479586b35ed580cdb8ae38e2 (link)
#126807	std::unix::fs: copy simplification for apple.	3acf720a7c72cfa2d41ee0dbbcdd98f913b7a499 (link)
#126845	Weekly cargo update	efb88fda5f5637c135beacf03c14d983749a6f5b (link)
#126849	Fix 32-bit Arm reg classes by hierarchically sorting them	0cc976d09406f357c70d39460c5786bfd3e2d48d (link)
#126854	std::unix::os::home_dir: fallback's optimisation.	b393466980f9b0ed15f2ce18d2552632199f912d (link)
#126888	Remove stray println from rustfmt's rewrite_static	991d7ee3d05422a236a34884044af6a22477e432 (link)

previous master: d49994b060

In the case of a perf regression, run the following command for each PR you suspect might be the cause: @rust-timer build $SHA

[rust-timer]

Finished benchmarking commit (2c243d9): comparison URL.

Overall result: no relevant changes - no action needed

@rustbot label: -perf-regression

Instruction count

This benchmark run did not return any relevant results for this metric.

Max RSS (memory usage)

Results (secondary 5.2%)

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	5.2%	[5.2%, 5.2%]	1
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-	-	0

Cycles

Results (secondary -7.3%)

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-7.3%	[-8.2%, -6.5%]	2
All ❌✅ (primary)	-	-	0

Binary size

Results (primary -0.0%, secondary -0.0%)

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	0.0%	[0.0%, 0.0%]	1
Improvements ✅ (primary)	-0.0%	[-0.0%, -0.0%]	4
Improvements ✅ (secondary)	-0.0%	[-0.1%, -0.0%]	35
All ❌✅ (primary)	-0.0%	[-0.0%, -0.0%]	4

Bootstrap: 693.26s -> 692.382s (-0.13%)
Artifact size: 326.75 MiB -> 326.78 MiB (0.01%)