Rust

[2/n] [omicron-package] better error messages around target #40060

Job	Run time
check-omicron-deployment (ubuntu-22.04)	2m 57s
build-docs	4m 3s
check-omicron-deployment (macos-14)	3m 15s
check-features	6m 50s
check-style	18s
clippy-lint	8m 26s
	25m 49s

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