Resolving clippy warnings/errors #1073

Job	Run time
cross (1.72.0, aarch64-unknown-linux-gnu, default)	1m 8s
cross (1.72.0, powerpc-unknown-linux-gnu, default)	50s
cross (stable, aarch64-unknown-linux-gnu, default)	53s
cross (stable, powerpc-unknown-linux-gnu, default)	32s
minimal-versions / minimal-versions	52s
set-msrv / set-msrv	5s
windows (x86_64-pc-windows-gnu, 1.72.0)	1m 15s
windows (x86_64-pc-windows-gnu, stable)	3m 2s
macos (1.72.0)	29s
linux (x86_64-unknown-linux-gnu, 1.72.0)	41s
macos (stable)	24s
build (1.72.0, thumbv7em-none-eabi)	42s
linux (x86_64-unknown-linux-gnu, stable)	31s
build (1.72.0, wasm32-unknown-unknown)	27s
build (1.72.0, loongarch64-unknown-linux-gnu)	26s
build (stable, thumbv7em-none-eabi)	20s
build (stable, wasm32-unknown-unknown)	33s
build (stable, loongarch64-unknown-linux-gnu)	32s
	13m 42s

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