fix: fix clippy on the latest stable toolchain (#219) #877

Job	Run time
build	3m 13s
test-std (ubuntu-latest, stable)	4m 3s
bench	2m 22s
test-std (ubuntu-latest, nightly)	4m 9s
check	2m 23s
test-std (macos-latest, stable)	3m 32s
doc	1m 8s
test-std (macos-latest, nightly)	9m 52s
test-sim (ubuntu-latest, stable)	4m 5s
test-sim (ubuntu-latest, nightly)	4m 27s
test-sim (macos-latest, stable)	3m 42s
test-sim (macos-latest, nightly)	4m 22s
	47m 18s

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