style: apply cargo fmt #7

Job	Run time
Measure coverage	36s
Clippy	20s
Check cross compilation targets	42s
Cargo Package	20s
MSRV	3m 45s
Cargo Deny	13s
Check for documentation errors (stable)	16s
Check semver compatibility	22s
Format	10s
Check for documentation errors (beta)	20s
Build+test (--all-features, stable)	33s
Build+test (stable, ubuntu-20.04)	31s
Check for documentation errors (nightly)	16s
Build+test (--features=alloc, stable, ubuntu-20.04)	33s
Build+test (--no-default-features, stable, ubuntu-20.04)	25s
Build+test (--all-features, --release, stable, ubuntu-20.04)	1m 20s
Build+test (--all-features, nightly, ubuntu-20.04)	34s
Build+test (--all-features, beta, ubuntu-20.04)	33s
	11m 49s

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