vmTestbase/vm/mlvm/anonloader/stress/oome/heap/Test.java fails by timeout in PIT.

----------System.out:(5/187)----------
### TRACE 1: Test started.
### TRACE 1: RNG seed = 4122555348215598050 (0x3936423f39470be2)
Timeout refired 1200 times
### TRACE 1: Caught OOME : Java heap space
### TRACE 1: TEST PASSED
----------System.err:(1/96)----------
Java HotSpot(TM) 64-Bit Server VM warning: increase O_BUFLEN in ostream.hpp -- output truncated
----------rerun:(39/8823)*----------
cd /scratch/opt/mach5/mesos/work_dir/slaves/f8c08d6c-24c9-4e26-9e53-04187d2df052-S492/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/48ff4bc0-04ef-4cd5-be76-41a00e625681/runs/9e4dffde-496c-483a-aee9-5ea4ed053e64/testoutput/jtreg/JTwork/scratch/2 && \\
CPAPPEND=/scratch/opt/mach5/mesos/work_dir/jib-master/install/com/oracle/java/jib/jib/3.0-SNAPSHOT/jib-3.0-SNAPSHOT-distribution.zip/jib-3.0-SNAPSHOT-distribution/lib/jib-3.0-SNAPSHOT.jar \\
HOME=/tmp/sparky-temp-home-3800089963261174174/user_home \\
JDK8_HOME=/scratch/opt/mach5/mesos/work_dir/jib-master/install/jdk/9/181/bundles/linux-x64/jdk-9_linux-x64_bin.tar.gz/jdk-9 \\
JIB_DATA_DIR=/scratch/opt/mach5/mesos/work_dir/jib-master \\
JTREG_SHOWAGENT=true \\
JTREG_TIMEOUT_OPTION=-timeoutFactor:10 \\
JTREG_VERBOSE=fail,error,time \\
PATH=/bin:/usr/bin \\
CLASSPATH=/scratch/opt/mach5/mesos/work_dir/slaves/f8c08d6c-24c9-4e26-9e53-04187d2df052-S492/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/48ff4bc0-04ef-4cd5-be76-41a00e625681/runs/9e4dffde-496c-483a-aee9-5ea4ed053e64/testoutput/jtreg/JTwork/classes/3/fromTonga/vm/mlvm/anonloader/stress/oome/heap/Test.d:/scratch/opt/mach5/mesos/work_dir/jib-master/install/2018-04-06-2027281.vm-sqe-notifications_ww_grp.pit180405/src.full/closed/test/hotspot/jtreg/fromTonga/vm/mlvm/anonloader/stress/oome/heap:/scratch/opt/mach5/mesos/work_dir/slaves/f8c08d6c-24c9-4e26-9e53-04187d2df052-S492/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/48ff4bc0-04ef-4cd5-be76-41a00e625681/runs/9e4dffde-496c-483a-aee9-5ea4ed053e64/testoutput/jtreg/JTwork/classes/3/fromTonga:/scratch/opt/mach5/mesos/work_dir/jib-master/install/2018-04-06-2027281.vm-sqe-notifications_ww_grp.pit180405/src.full/closed/test/hotspot/jtreg/fromTonga:/scratch/opt/mach5/mesos/work_dir/slaves/f8c08d6c-24c9-4e26-9e53-04187d2df052-S492/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/48ff4bc0-04ef-4cd5-be76-41a00e625681/runs/9e4dffde-496c-483a-aee9-5ea4ed053e64/testoutput/jtreg/JTwork/classes/3/closed/test/hotspot/tonga/src:/scratch/opt/mach5/mesos/work_dir/jib-master/install/2018-04-06-2027281.vm-sqe-notifications_ww_grp.pit180405/src.full/closed/test/hotspot/tonga/src:/scratch/opt/mach5/mesos/work_dir/slaves/f8c08d6c-24c9-4e26-9e53-04187d2df052-S492/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/48ff4bc0-04ef-4cd5-be76-41a00e625681/runs/9e4dffde-496c-483a-aee9-5ea4ed053e64/testoutput/jtreg/JTwork/classes/3/open/test/lib:/scratch/opt/mach5/mesos/work_dir/jib-master/install/2018-04-06-2027281.vm-sqe-notifications_ww_grp.pit180405/src.full/open/test/lib:/scratch/opt/mach5/mesos/work_dir/jib-master/install/com/oracle/java/jib/jib/3.0-SNAPSHOT/jib-3.0-SNAPSHOT-distribution.zip/jib-3.0-SNAPSHOT-distribution/lib/jib-3.0-SNAPSHOT.jar:/scratch/opt/mach5/mesos/work_dir/jib-master/install/java/re/jtreg/4.2/promoted/all/b12/bundles/jtreg_bin-4.2.zip/jtreg/lib/javatest.jar:/scratch/opt/mach5/mesos/work_dir/jib-master/install/java/re/jtreg/4.2/promoted/all/b12/bundles/jtreg_bin-4.2.zip/jtreg/lib/jtreg.jar \\
    /scratch/opt/mach5/mesos/work_dir/jib-master/install/2018-04-06-2027281.vm-sqe-notifications_ww_grp.pit180405/linux-x64-debug.jdk/jdk-11/fastdebug/bin/java \\
        -Dtest.class.path.prefix=/scratch/opt/mach5/mesos/work_dir/slaves/f8c08d6c-24c9-4e26-9e53-04187d2df052-S492/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/48ff4bc0-04ef-4cd5-be76-41a00e625681/runs/9e4dffde-496c-483a-aee9-5ea4ed053e64/testoutput/jtreg/JTwork/classes/3/fromTonga/vm/mlvm/anonloader/stress/oome/heap/Test.d:/scratch/opt/mach5/mesos/work_dir/jib-master/install/2018-04-06-2027281.vm-sqe-notifications_ww_grp.pit180405/src.full/closed/test/hotspot/jtreg/fromTonga/vm/mlvm/anonloader/stress/oome/heap:/scratch/opt/mach5/mesos/work_dir/slaves/f8c08d6c-24c9-4e26-9e53-04187d2df052-S492/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/48ff4bc0-04ef-4cd5-be76-41a00e625681/runs/9e4dffde-496c-483a-aee9-5ea4ed053e64/testoutput/jtreg/JTwork/classes/3/fromTonga:/scratch/opt/mach5/mesos/work_dir/slaves/f8c08d6c-24c9-4e26-9e53-04187d2df052-S492/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/48ff4bc0-04ef-4cd5-be76-41a00e625681/runs/9e4dffde-496c-483a-aee9-5ea4ed053e64/testoutput/jtreg/JTwork/classes/3/closed/test/hotspot/tonga/src:/scratch/opt/mach5/mesos/work_dir/slaves/f8c08d6c-24c9-4e26-9e53-04187d2df052-S492/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/48ff4bc0-04ef-4cd5-be76-41a00e625681/runs/9e4dffde-496c-483a-aee9-5ea4ed053e64/testoutput/jtreg/JTwork/classes/3/open/test/lib \\
        -Dtest.src=/scratch/opt/mach5/mesos/work_dir/jib-master/install/2018-04-06-2027281.vm-sqe-notifications_ww_grp.pit180405/src.full/closed/test/hotspot/jtreg/fromTonga/vm/mlvm/anonloader/stress/oome/heap \\
        -Dtest.src.path=/scratch/opt/mach5/mesos/work_dir/jib-master/install/2018-04-06-2027281.vm-sqe-notifications_ww_grp.pit180405/src.full/closed/test/hotspot/jtreg/fromTonga/vm/mlvm/anonloader/stress/oome/heap:/scratch/opt/mach5/mesos/work_dir/jib-master/install/2018-04-06-2027281.vm-sqe-notifications_ww_grp.pit180405/src.full/closed/test/hotspot/jtreg/fromTonga:/scratch/opt/mach5/mesos/work_dir/jib-master/install/2018-04-06-2027281.vm-sqe-notifications_ww_grp.pit180405/src.full/closed/test/hotspot/tonga/src:/scratch/opt/mach5/mesos/work_dir/jib-master/install/2018-04-06-2027281.vm-sqe-notifications_ww_grp.pit180405/src.full/open/test/lib \\
        -Dtest.classes=/scratch/opt/mach5/mesos/work_dir/slaves/f8c08d6c-24c9-4e26-9e53-04187d2df052-S492/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/48ff4bc0-04ef-4cd5-be76-41a00e625681/runs/9e4dffde-496c-483a-aee9-5ea4ed053e64/testoutput/jtreg/JTwork/classes/3/fromTonga/vm/mlvm/anonloader/stress/oome/heap/Test.d \\
        -Dtest.class.path=/scratch/opt/mach5/mesos/work_dir/slaves/f8c08d6c-24c9-4e26-9e53-04187d2df052-S492/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/48ff4bc0-04ef-4cd5-be76-41a00e625681/runs/9e4dffde-496c-483a-aee9-5ea4ed053e64/testoutput/jtreg/JTwork/classes/3/fromTonga/vm/mlvm/anonloader/stress/oome/heap/Test.d:/scratch/opt/mach5/mesos/work_dir/slaves/f8c08d6c-24c9-4e26-9e53-04187d2df052-S492/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/48ff4bc0-04ef-4cd5-be76-41a00e625681/runs/9e4dffde-496c-483a-aee9-5ea4ed053e64/testoutput/jtreg/JTwork/classes/3/fromTonga:/scratch/opt/mach5/mesos/work_dir/slaves/f8c08d6c-24c9-4e26-9e53-04187d2df052-S492/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/48ff4bc0-04ef-4cd5-be76-41a00e625681/runs/9e4dffde-496c-483a-aee9-5ea4ed053e64/testoutput/jtreg/JTwork/classes/3/closed/test/hotspot/tonga/src:/scratch/opt/mach5/mesos/work_dir/slaves/f8c08d6c-24c9-4e26-9e53-04187d2df052-S492/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/48ff4bc0-04ef-4cd5-be76-41a00e625681/runs/9e4dffde-496c-483a-aee9-5ea4ed053e64/testoutput/jtreg/JTwork/classes/3/open/test/lib \\
        -Dtest.vm.opts=-XX:MaxRAMPercentage=6 \\
        -Dtest.tool.vm.opts=-J-XX:MaxRAMPercentage=6 \\
        -Dtest.compiler.opts= \\
        -Dtest.java.opts='-Xcomp -XX:+CreateCoredumpOnCrash -ea -esa -XX:CompileThreshold=100 -XX:+UnlockExperimentalVMOptions -server -XX:-TieredCompilation' \\
        -Dtest.jdk=/scratch/opt/mach5/mesos/work_dir/jib-master/install/2018-04-06-2027281.vm-sqe-notifications_ww_grp.pit180405/linux-x64-debug.jdk/jdk-11/fastdebug \\
        -Dcompile.jdk=/scratch/opt/mach5/mesos/work_dir/jib-master/install/2018-04-06-2027281.vm-sqe-notifications_ww_grp.pit180405/linux-x64-debug.jdk/jdk-11/fastdebug \\
        -Dtest.timeout.factor=10.0 \\
        -Dtest.modules=java.base/jdk.internal.misc \\
        -Dtest.nativepath=/scratch/opt/mach5/mesos/work_dir/jib-master/install/2018-04-06-2027281.vm-sqe-notifications_ww_grp.pit180405/linux-x64-debug.test/hotspot/jtreg/native \\
        --add-modules java.base \\
        --add-exports java.base/jdk.internal.misc=ALL-UNNAMED \\
        -XX:MaxRAMPercentage=6 \\
        -Xcomp \\
        -XX:+CreateCoredumpOnCrash \\
        -ea \\
        -esa \\
        -XX:CompileThreshold=100 \\
        -XX:+UnlockExperimentalVMOptions \\
        -server \\
        -XX:-TieredCompilation \\
        -Djava.library.path=/scratch/opt/mach5/mesos/work_dir/jib-master/install/2018-04-06-2027281.vm-sqe-notifications_ww_grp.pit180405/linux-x64-debug.test/hotspot/jtreg/native \\
        -XX:-UseGCOverheadLimit \\
        com.sun.javatest.regtest.agent.MainWrapper /scratch/opt/mach5/mesos/work_dir/slaves/f8c08d6c-24c9-4e26-9e53-04187d2df052-S492/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/48ff4bc0-04ef-4cd5-be76-41a00e625681/runs/9e4dffde-496c-483a-aee9-5ea4ed053e64/testoutput/jtreg/JTwork/fromTonga/vm/mlvm/anonloader/stress/oome/heap/Test.d/main.0.jta
result: Error. Program `/scratch/opt/mach5/mesos/work_dir/jib-master/install/2018-04-06-2027281.vm-sqe-notifications_ww_grp.pit180405/linux-x64-debug.jdk/jdk-11/fastdebug/bin/java' timed out (timeout set to 1200000ms, elapsed time including timeout handling was 1285175ms).


test result: Error. Program `/scratch/opt/mach5/mesos/work_dir/jib-master/install/2018-04-06-2027281.vm-sqe-notifications_ww_grp.pit180405/linux-x64-debug.jdk/jdk-11/fastdebug/bin/java' timed out (timeout set to 1200000ms, elapsed time including timeout handling was 1285175ms).

The log contains suspicious warning:
 ----------System.err:(1/96)----------
Java HotSpot(TM) 64-Bit Server VM warning: increase O_BUFLEN in ostream.hpp -- output truncated


But it also might be a test bug.