Follow-up: replace println_stderr with eprintln.
Follow-up: replace println_stderr with eprintln.

ncalexan/mentat,mozilla/mentat,ncalexan/mentat,mozilla/mentat,mozilla/mentat,ncalexan/datomish,mozilla/mentat,ncalexan/datomish,ncalexan/mentat,ncalexan/mentat,mozilla/mentat,mozilla/mentat,ncalexan/mentat,ncalexan/mentat