The recently introduced quibble-composer-mysql-php70-docker and quibble-vendor-mysql-php70-docker jobs for mediawiki/core commits seems to be consistently failing every commit.
So far, seen two unique errors:
error: copy-fd: write returned: No space left on device fatal: failed to copy file to '/workspace/src/.git/objects/pack/pack-fcfa4ea3a2a8997a5e1836cc7b4181e57735b1e3.pack': No space left on device fatal: The remote end hung up unexpectedly Finished: FAILURE
[Symfony\Component\Process\Exception\ProcessTimedOutException] The process "composer phpcs '.'" exceeded the timeout of 300 seconds. Finished: FAILURE