Test

Replace `linux_rustix` opt-in backend with `linux_raw` #1732

Job	Run time
iOS Simulator	4m 18s
Cross (aarch64-unknown-linux-gnu)	26s
Cross (powerpc-unknown-linux-gnu)	25s
Sanitizer	36s
Linux (x86_64-unknown-linux-musl)	16s
Cross (wasm32-unknown-emscripten)	37s
Tier 1 (ubuntu-24.04, nightly)	27s
Linux (i686-unknown-linux-musl)	15s
Tier 1 (ubuntu-24.04, beta)	14s
Tier 1 (ubuntu-24.04, stable)	45s
Windows (stable-x86_64-gnu)	32s
Windows 7 (on Windows 10)	1m 34s
Tier 1 (ubuntu-24.04, 1.63)	25s
FreeBSD VM	3m 17s
Tier 1 (windows-2022, nightly)	56s
Windows (stable-i686-gnu)	41s
Tier 1 (windows-2022, beta)	32s
NetBSD VM	3m 53s
Windows (stable-i686-msvc)	42s
Tier 1 (windows-2022, stable)	34s
OpenBSD VM	2m 26s
Tier 1 (windows-2022, 1.63)	58s
WASI	20s
Web	37s
Tier 1 (macos-14, stable)	13s
Web with Atomics	1m 9s
	27m 8s

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