chore: clippy #2902

Job	Run time
check serde	28s
check std	27s
clippy	1m 22s
check no-default-features	27s
docs	1m 2s
fmt	26s
test stable --no-default-features	1m 15s
test no_std	25s
test stable	1m 26s
test stable --all-features	1m 24s
test beta --no-default-features	55s
test beta	1m 26s
test beta --all-features	1m 31s
test nightly --no-default-features	59s
test nightly	54s
test nightly --all-features	1m 12s
	15m 39s

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