Version:8350.0.0, chrome 52.0.2739.0
M52 release branch release-R52-8350.B

@@@STEP_FAILURE@@@
06:10:31: ERROR: Traceback (most recent call last):
  File "/b/cbuild/internal_master/chromite/cbuildbot/stages/generic_stages.py", line 511, in Run
    self.PerformStage()
  File "/b/cbuild/internal_master/chromite/cbuildbot/stages/test_stages.py", line 215, in PerformStage
    self._RunTest(vm_test.test_type, test_results_dir)
  File "/b/cbuild/internal_master/chromite/cbuildbot/stages/test_stages.py", line 203, in _RunTest
    ssh_private_key=ssh_private_key)
  File "/b/cbuild/internal_master/chromite/cbuildbot/commands.py", line 659, in RunTestSuite
    kill_timeout=10 * 60)
  File "/b/cbuild/internal_master/chromite/lib/cros_build_lib.py", line 589, in RunCommand
    (cmd_result.output, cmd_result.error) = proc.communicate(input)
  File "/usr/lib/python2.7/subprocess.py", line 751, in communicate
    self.wait()
  File "/usr/lib/python2.7/subprocess.py", line 1291, in wait
    pid, sts = _eintr_retry_call(os.waitpid, self.pid, 0)
  File "/usr/lib/python2.7/subprocess.py", line 478, in _eintr_retry_call
    return func(*args)
  File "/b/cbuild/internal_master/chromite/lib/timeout_util.py", line 61, in kill_us
    raise TimeoutError(error_message % {'time': max_run_time})
TimeoutError: Timeout occurred- waited 3600 seconds. Reached VMTestStage test run timeout.