log: Never silence `log_cmd_error` #846

Job	Run time
pre_docs_job	4s
pre_job	4s
Reusable build (ubuntu-latest)	16m 6s
Reusable build (macos-latest)	10m 24s
Run tests (ubuntu-latest)	21m 46s
Run docs tests (ubuntu-latest)	31s
Run tests (macos-latest)	15m 11s
	1h 4m 6s

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