https://gerrit.wikimedia.org/r/#/c/mediawiki/core/+/414603/
wmf-quibble-core-vendor-mysql-hhvm-docker FAILURE in 13m 07s mediawiki-quibble-composer-mysql-php70-docker FAILURE in 5m 54s mediawiki-quibble-vendor-mysql-hhvm-docker FAILURE in 4m 20s mediawiki-quibble-vendor-mysql-php70-docker FAILURE in 7m 07s
Possibly related to password requirement changes... The list of passwords that can't be used is https://github.com/wikimedia/password-blacklist/blob/master/scripts/data/10_million_password_list_top_100000.txt - Chances are if it's something simple/common it's probably going to be a problem