ERROR 1451 (23000) at line 3: Cannot delete or update a parent row: a foreign key constraint fails (`buildmaster`.`failed_builds`, CONSTRAINT `failed_builds_ibfk_2` FOREIGN KEY (`build_assignment`) REFERENCES `build_assignments` (`id`) ON DELETE CASCADE ON UPDATE CASCADE)
ERROR 1205 (HY000) at line 2: Lock wait timeout exceeded; try restarting transaction
ERROR 1205 (HY000) at line 2: Lock wait timeout exceeded; try restarting transaction
ERROR 1205 (HY000) at line 2: Lock wait timeout exceeded; try restarting transaction
ERROR 1205 (HY000) at line 2: Lock wait timeout exceeded; try restarting transaction
ERROR 1205 (HY000) at line 2: Lock wait timeout exceeded; try restarting transaction
ERROR 1205 (HY000) at line 2: Lock wait timeout exceeded; try restarting transaction
ERROR 1205 (HY000) at line 2: Lock wait timeout exceeded; try restarting transaction
ERROR 1205 (HY000) at line 2: Lock wait timeout exceeded; try restarting transaction
ERROR 1205 (HY000) at line 2: Lock wait timeout exceeded; try restarting transaction
ERROR 1205 (HY000) at line 2: Lock wait timeout exceeded; try restarting transaction
ERROR 1205 (HY000) at line 2: Lock wait timeout exceeded; try restarting transaction
ERROR 1451 (23000) at line 3: Cannot delete or update a parent row: a foreign key constraint fails (`buildmaster`.`failed_builds`, CONSTRAINT `failed_builds_ibfk_2` FOREIGN KEY (`build_assignment`) REFERENCES `build_assignments` (`id`) ON DELETE CASCADE ON UPDATE CASCADE)
ERROR 1205 (HY000) at line 2: Lock wait timeout exceeded; try restarting transaction
ERROR 1205 (HY000) at line 2: Lock wait timeout exceeded; try restarting transaction