Work around a negative timestamps bug on macOS. #4755

Job	Run time
Check --no-default-features (nightly)	55s
Check (stable)	3m 1s
Check selected Tier 3 platforms (nightly)	5m 31s
Check (nightly)	3m 2s
Check nightly-only targets (nightly)	21s
Check (1.63)	3m 14s
Rustfmt	15s
Test rustix_use_experimental_asm (powerpc64le-linux)	2m 17s
Test rustix_use_experimental_asm (s390x-linux)	1m 16s
Test (ubuntu)	43s
Test use-libc (ubuntu)	49s
Test (ubuntu-20.04)	45s
Test (i686-linux)	1m 12s
Test use-libc (i686-linux)	1m 12s
Test (aarch64-linux)	1m 21s
Test use-libc (aarch64-linux)	1m 22s
Test (powerpc64le-linux)	1m 26s
Test use-libc (powerpc64le-linux)	1m 29s
Test (riscv64-linux)	1m 16s
Test use-libc (riscv64-linux)	2m 47s
Test (s390x-linux)	1m 24s
Test use-libc (s390x-linux)	2m 12s
Test (arm-linux)	1m 18s
Test use-libc (arm-linux)	1m 29s
Test (ubuntu-stable)	45s
Test (i686-linux-stable)	2m 13s
Test (aarch64-linux-stable)	1m 14s
Test (riscv64-linux-stable)	1m 10s
Test (s390x-linux-stable)	1m 20s
Test (powerpc64le-linux-stable)	1m 30s
Test (arm-linux-stable)	1m 21s
Test (ubuntu-1.63)	2m 42s
Test (i686-linux-1.63)	3m 7s
Test (aarch64-linux-1.63)	3m 14s
Test (riscv64-linux-1.63)	3m 11s
Test (s390x-linux-1.63)	4m 6s
Test (powerpc64le-linux-1.63)	3m 3s
Test (arm-linux-1.63)	3m 10s
Test (macos-latest)	37s
Test (macos-13)	57s
Test (windows)	51s
Test (windows-2019)	54s
Test (musl)	50s
	1h 16m 52s

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