Rust

[tests] make instance reincarnation tests less racy (#7295) #40089

Job	Run time
check-style	18s
build-docs	9m 2s
check-omicron-deployment (ubuntu-22.04)	8m 47s
check-features	11m 56s
check-omicron-deployment (macos-14)	9m 58s
clippy-lint	10m 11s
	50m 12s

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