This failure was observed once on Mac OS X 10.10.2 with jdk 9 dev nightly. It looks intermittent.
Test out put:
----------messages:(3/125)----------
command: main LoopingTruncate
reason: User specified action: run main/othervm LoopingTruncate
elapsed time (seconds): 73.58
----------System.out:(0/0)----------
----------System.err:(13/746)----------
java.lang.RuntimeException: Failed to complete on time
at LoopingTruncate.main(LoopingTruncate.java:60)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:519)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:92)
at java.lang.Thread.run(Thread.java:746)