Config rust-version at Cargo.toml #397

Job	Run time
semver	13s
Check Style	4s
Test with Miri	52s
Check MSRV (1.63)	47s
features	43s
Test stable on ubuntu-latest	27s
Test stable on windows-latest	1m 29s
Test stable on macos-latest	27s
Test beta on ubuntu-latest	34s
Test beta on windows-latest	1m 12s
Test beta on macos-latest	33s
Test nightly on ubuntu-latest	35s
Test nightly on windows-latest	1m 13s
Test nightly on macos-latest	32s
Build docs	17s
CI is green	1s
	9m 59s

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