Rust

CmdError error messages should provide more information #24031

Job	Run time
check-style	17s
check-omicron-deployment (ubuntu-22.04)	15m 18s
clippy-lint	23m 18s
build-docs	11m 28s
check-omicron-deployment (macos-12)	1h 13m 55s
	2h 4m 16s

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