Fix rustc test suite #4212

Job	Run time
test_llvm	3m 49s
rustfmt	12s
test (macos-15-intel, x86_64-apple-darwin)	28m 11s
test (ubuntu-latest, x86_64-unknown-linux-gnu)	12m 42s
test (macos-latest, aarch64-apple-darwin)	17m 1s
test (ubuntu-24.04-arm, aarch64-unknown-linux-gnu)	9m 59s
test (ubuntu-latest, s390x-unknown-linux-gnu, gcc-s390x-linux-gnu qemu-user)	6m 54s
test (windows-latest, x86_64-pc-windows-msvc)	19m 45s
dist (ubuntu-22.04, x86_64-unknown-linux-gnu)	2m 49s
test (windows-latest, x86_64-pc-windows-gnu)	25m 57s
dist (windows-latest, x86_64-pc-windows-msvc)	4m 38s
dist (ubuntu-24.04-arm, aarch64-unknown-linux-gnu)	2m 48s
bench	9m 41s
dist (macos-15-intel, x86_64-apple-darwin)	5m 44s
dist (windows-latest, x86_64-pc-windows-gnu)	5m 12s
test (ubuntu-latest, riscv64gc-unknown-linux-gnu, gcc-riscv64-linux-gnu qemu-user)	7m 4s
dist (macos-latest, aarch64-apple-darwin)	3m 42s
release	-1s
	2h 46m 7s

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