Sync from rust 2025/08/14 #2929

Job	Run time
duplicates	6s
spell_check	11s
build_system	25s
build (gcc-15.deb, --extended-rand-tests)	9m 39s
build (gcc-15.deb, --test-libcore)	16m 11s
build (gcc-15.deb, --extended-regex-tests)	11m 58s
build (gcc-15.deb, --projects)	12m 3s
build (gcc-15.deb, --std-tests)	6m 21s
build (gcc-15-without-int128.deb, --test-libcore)	16m 3s
build (gcc-15.deb, --test-successful-rustc --nb-parts 2 --current-part 0)	8m 3s
build (gcc-15.deb, --extended-regex-example-tests)	6m 27s
build (gcc-15-without-int128.deb, --test-successful-rustc --nb-parts 2 --current-part 1)	8m 0s
build (gcc-15.deb, --test-successful-rustc --nb-parts 2 --current-part 1)	7m 55s
build (gcc-15-without-int128.deb, --extended-regex-tests)	12m 19s
build (gcc-15-without-int128.deb, --extended-regex-example-tests)	6m 48s
build (gcc-15-without-int128.deb, --test-successful-rustc --nb-parts 2 --current-part 0)	8m 16s
build (gcc-15-without-int128.deb, --extended-rand-tests)	8m 34s
build (gcc-15-without-int128.deb, --projects)	11m 41s
build (gcc-15-without-int128.deb, --std-tests)	6m 16s
success	3s
	2h 37m 19s

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