Rust

style: apply/fix more clippy lints (from cargo::nursery) #7438

Job	Run time
Integration Test (AArch64)	1m 49s
Integration Test (x86_64)	2m 57s
Integration Test (IA-32)	2m 51s
Integration Test (x86_64 Windows)	3m 8s
Build (stable MSRV)	36s
Unit + Doc Tests	1m 1s
Build (feature permutations)	3m 53s
Nightly (build, test, doc)	4m 2s
Build (uefi-raw MSRV)	34s
Unit + Doc Tests (Miri)	1m 6s
Test Coverage	55s
Build Standard Binary (nightly)	22s
	23m 14s

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