Fix newer clippy warnings #1069

Job	Run time
lint	17s
clippy (stable)	1m 13s
deny (advisories)	43s
clippy (beta)	1m 27s
deny (bans licenses sources)	37s
build (stable)	1m 11s
build-all-features (stable)	1m 7s
build (beta)	1m 16s
build-all-features (beta)	1m 12s
build (nightly-2023-10-01)	1m 17s
build-no-alloc (thumbv6m-none-eabi)	1m 14s
build-all-features (nightly-2023-10-01)	1m 14s
coverage	1m 26s
build-no-alloc (thumbv7m-none-eabi)	1m 21s
doc (stable)	47s
doc (beta)	49s
build-no-alloc (thumbv8m.main-none-eabi)	1m 21s
sort	35s
test (stable)	1m 37s
build-no-alloc (aarch64-linux-android)	1m 12s
test (beta)	1m 25s
build-no-alloc (aarch64-apple-ios)	1m 24s
test (nightly-2023-10-01)	1m 44s
build-no-alloc (wasm32-unknown-unknown)	1m 21s
	27m 50s

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