fix(clippy): last lints #1830

Job	Run time
Generate crates matrix	21s
Check crates matrix	4s
Build zebrad crate	38m 3s
Build zebra-utils crate	16m 22s
Build zebra-test crate	1m 39s
Build zebra-state crate	23m 28s
Build zebra-script crate	3m 35s
Build zebra-scan crate	28m 28s
Build zebra-rpc crate	35m 8s
Build zebra-node-services crate	3m 43s
Build zebra-network crate	7m 6s
Build zebra-grpc crate	15m 19s
Build zebra-consensus crate	17m 41s
Build zebra-chain crate	5m 28s
Build tower-fallback crate	1m 8s
Build tower-batch-control crate	1m 34s
Open or update issues for building crates individually failures	0s
	3h 19m 7s

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