Rust

style: apply/fix more clippy lints (from cargo::nursery) #7421

Job	Run time
Integration Test (x86_64 Windows)	1m 53s
Integration Test (x86_64)	2m 3s
Integration Test (AArch64)	2m 2s
Unit + Doc Tests	1m 13s
Build (stable MSRV)	44s
Integration Test (IA-32)	2m 3s
Unit + Doc Tests (Miri)	1m 37s
Test Coverage	55s
Build (feature permutations)	1m 55s
Build (uefi-raw MSRV)	31s
Build Standard Binary (nightly)	26s
Nightly (build, test, doc)	2m 1s
	17m 23s

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