Rust

style: apply/fix more clippy lints (from cargo::nursery) #7498

Job	Run time
Integration Test (x86_64)	3m 8s
Integration Test (IA-32)	3m 24s
Integration Test (AArch64)	3m 32s
Integration Test (x86_64 Windows)	3m 42s
Unit + Doc Tests	53s
Build (uefi-raw MSRV)	43s
Build (feature permutations)	50s
Build (stable MSRV)	56s
Unit + Doc Tests (Miri)	1m 12s
Test Coverage	46s
Build Standard Binary (nightly)	22s
Nightly (build, test, doc)	3m 39s
	23m 7s

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