paras-registrar: Improve error reporting #16825

Job	Run time
check-workspace	16s
check-dependency-rules	5s
check-fail-ci	10s
check-markdown	19s
check-readme	3m 39s
preflight / preflight	33s
preflight / ci-versions	58s
check-rust-feature-propagation	2m 0s
fmt	1m 9s
check-toml-format	1m 6s
check-umbrella	2m 14s
test-rust-features	1m 58s
All quick checks passed	1s
	14m 28s

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