Fix new Clippy issues #2

Job	Run time
Clippy	2m 56s
Unit tests (windows-latest, beta)	4m 59s
Default features build	27s
Doc tests (requires nightly Rust) (windows-latest)	3m 7s
Unit tests (macos-latest, beta)	2m 59s
Doc tests (requires nightly Rust) (macos-latest)	1m 8s
Unit tests (c2patool) (windows-latest, beta)	2m 54s
Unit tests (ubuntu-latest, beta)	2m 17s
Unit tests (aarch64-unknown-linux-gnu, beta)	8m 56s
Doc tests (requires nightly Rust) (ubuntu-latest)	1m 3s
Unit tests (c2patool) (macos-latest, beta)	1m 31s
Unit tests (c2patool) (ubuntu-latest, beta)	55s
Unit tests (WASM)	3m 26s
	36m 38s

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