Rust

Merge pull request #1494 from prestist/fixup-packit-downstream #2650

Job	Run time
Docs	1m 11s
Lints, pinned toolchain (x86_64)	51s
Lints, pinned toolchain (s390x)	6m 19s
Tests, minimum supported toolchain (x86_64)	1m 57s
Tests, unstable toolchain (beta, x86_64)	2m 8s
Tests, minimum supported toolchain (s390x)	10m 7s
Tests, stable toolchain (x86_64)	2m 16s
Tests, unstable toolchain (nightly, x86_64)	2m 49s
Tests, stable toolchain (s390x)	10m 18s
	37m 56s

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