chore: clippy #760

Job	Run time
doctest	1m 12s
feature-checks	2m 19s
docs	1m 18s
clippy	33s
fmt	15s
test stable (ubuntu-latest)	1m 2s
test stable --all-features (ubuntu-latest)	2m 6s
test 1.70 (ubuntu-latest)	33s
test stable (macos-latest)	1m 33s
test stable --all-features (macos-latest)	2m 35s
test 1.70 (macos-latest)	38s
test stable (windows-latest)	2m 23s
test stable --all-features (windows-latest)	4m 35s
test 1.70 (windows-latest)	2m 52s
	23m 54s

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