Rust

Fix lints/tests on nightly and unpin the CI nightly version #7110

Job	Run time
Integration Test (IA-32)	1m 37s
Integration Test (x86_64)	1m 35s
Integration Test (AArch64)	1m 11s
Unit + Doc Tests	44s
Build Standard Binary (nightly)	26s
Build (uefi-raw MSRV)	28s
Unit + Doc Tests (Miri)	1m 22s
Integration Test (x86_64 Windows)	4m 43s
Build (stable MSRV)	30s
Nightly (build, test, doc)	1m 17s
Build (feature permutations)	4m 32s
Test Coverage	41s
	19m 6s

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