Fix clippy beta warning #843

Job	Run time
lint	14s
sort	1m 11s
build (stable)	1m 57s
build (beta)	2m 27s
build (nightly-2022-12-13)	2m 6s
clippy (stable)	2m 0s
clippy (beta)	1m 43s
deny (advisories)	47s
deny (bans licenses sources)	52s
build-all-features (stable)	1m 49s
build-all-features (beta)	1m 52s
build-all-features (nightly-2022-12-13)	2m 32s
doc (stable)	1m 25s
doc (beta)	1m 19s
test (stable)	4m 41s
test (beta)	5m 17s
test (nightly-2022-12-13)	5m 33s
build-no-alloc (thumbv6m-none-eabi)	2m 18s
build-no-alloc (thumbv7m-none-eabi)	1m 58s
build-no-alloc (thumbv8m.main-none-eabi)	1m 45s
build-no-alloc (aarch64-linux-android)	2m 30s
build-no-alloc (aarch64-apple-ios)	1m 49s
coverage	2m 49s
notify	2s
	50m 56s

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