Linux optimization: Try converting pipe to fifo #1115

Job	Run time
MSRV (ubuntu-latest)	21s
Test CUDA support	50s
MSRV (windows-latest)	42s
Test build-std (aarch64-tvos)	2m 9s
Clippy	17s
Test build-std (aarch64-tvos-sim)	2m 5s
Rustfmt	5s
Test build-std (x86_64-tvos)	2m 15s
Test (stable)	27s
Test (beta)	26s
Test (nightly)	40s
Test (linux32)	52s
Test (macos)	54s
Test (aarch64-macos)	32s
Test (aarch64-ios)	49s
Test (win32)	1m 24s
Test (win64)	1m 31s
Test (mingw32)	1m 30s
Test (mingw64)	1m 27s
Test (windows-2019)	1m 29s
Test (windows-aarch64, windows-latest, stable, aarch64-pc-windows-msvc, --no-run)	1m 28s
	22m 13s

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