fix clippy lints on all targets #675

Job	Run time
Test (ubuntu-24.04)	8m 9s
Android (ubuntu-24.04, aarch64-linux-android)	8m 8s
Difftest (ubuntu-24.04)	9m 57s
Compiletest (macOS-latest)	6m 50s
Compiletest (ubuntu-24.04)	8m 32s
Lint	6m 49s
Test (windows-2022)	14m 7s
Difftest (windows-2022)	16m 33s
Compiletest (windows-2022)	15m 55s
Difftest (macOS-latest)	7m 16s
Test (macOS-latest)	9m 10s
cargo-deny	1m 9s
test_success	2s
	1h 52m 37s

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