Nothing to go on but the test apparently tries to run something till it succeeds so I guerss it doesn't succeed:


----------System.out:(1/37)----------
Timeout signalled after 480 seconds
----------System.err:(0/0)----------
----------rerun:(48/6772)*----------

VM flags

-Dtest.java.opts='-XX:+UseSerialGC -XX:+UnlockExperimentalVMOptions -XX:+UseCompactObjectHeaders'