The database update job for Beta Cluster is failing with:
Catchable fatal error: Object of class Closure could not be converted to string in /mnt/srv/mediawiki-staging/wmf-config/Wikibase.php on line 184
Has been failing since Apr 10, 2015 9:20:00 PM (UTC).
Also, running any mwscript on deployment-bastion, e.g.:
mwscript eval.php --wiki=enwiki
results in:
Catchable fatal error: Object of class Closure could not be converted to string in /mnt/srv/mediawiki-staging/wmf-config/Wikibase.php on line 184