Apply suggestions from clippy 1.81 #4695

Job	Run time
lint	1m 14s
msrv	30s
features (ubuntu-latest)	5m 6s
audit	20s
features (macos-latest)	4m 22s
features (windows-latest)	7m 57s
test (ubuntu-latest, stable)	1m 5s
test on freebsd	5m 6s
test-android (x86_64-linux-android, x86_64, 26)	3m 17s
test (ubuntu-latest, beta)	57s
test-android (i686-linux-android, x86, 26)	3m 44s
test (macos-latest, stable)	43s
test (windows-latest, stable)	2m 10s
	36m 31s

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