Rust

Fix lints/tests on nightly and unpin the CI nightly version #7111

Job	Run time
Integration Test (x86_64)	2m 52s
Integration Test (AArch64)	1m 15s
Integration Test (x86_64 Windows)	3m 14s
Integration Test (IA-32)	2m 10s
Build (feature permutations)	3m 26s
Build Standard Binary (nightly)	22s
Nightly (build, test, doc)	1m 20s
Unit + Doc Tests (Miri)	1m 32s
Test Coverage	53s
Unit + Doc Tests	41s
Build (uefi-raw MSRV)	27s
Build (stable MSRV)	31s
	18m 43s

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