chore: apply beta clippy fixes #349

Job	Run time
Checking fmt and docs	22s
Check wasm32-wasip2 target	18s
clippy_check	24s
Build and test (ubuntu-latest, nightly)	52s
Build and test (ubuntu-latest, stable)	55s
Build and test (ubuntu-latest, beta)	54s
Build and test (windows-latest, nightly)	2m 3s
Build and test (windows-latest, stable)	2m 41s
Build and test (windows-latest, beta)	2m 2s
Build and test (macOS-latest, beta)	49s
Build and test (macOS-latest, stable)	51s
Build and test (macOS-latest, nightly)	47s
	12m 58s

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