Merge pull request #287 from epage/light #958

Job	Run time
Check MSRV (windows-latest)	52s
Minimal versions (windows-latest)	49s
Minimal versions (ubuntu-latest)	24s
lockfile	9s
rustfmt	18s
Docs	22s
clippy	35s
Test (windows-latest, stable)	52s
Coverage	59s
Test (ubuntu-latest, stable)	41s
Test (macos-latest, stable)	55s
Check MSRV (ubuntu-latest)	35s
CI	2s
	7m 33s

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