Similar to grunt issue recently resolved.  http://crbug.com/891758 

From the logs (https://luci-logdog.appspot.com/logs/chromeos/bb/chromeos/wolf-paladin/18919/+/recipes/steps/HWTest__provision_/0/stdout):

  Autotest instance created: cautotest-prod
  10-10-2018 [07:18:21] Created suite job: http://cautotest-prod/afe/#tab_id=view_job&object_id=247168034
  @@@STEP_LINK@Link to suite@http://cautotest-prod/afe/#tab_id=view_job&object_id=247168034@@@
  The suite job has another 0:59:49.682533 till timeout.
  
  10-10-2018 [08:03:30] printing summary of incomplete jobs (9):
  
  dummy_Pass: http://cautotest-prod/afe/#tab_id=view_job&object_id=247169757
  dummy_Pass: http://cautotest-prod/afe/#tab_id=view_job&object_id=247169762
  dummy_Pass: http://cautotest-prod/afe/#tab_id=view_job&object_id=247169766
  dummy_Pass: http://cautotest-prod/afe/#tab_id=view_job&object_id=247169772
  dummy_Pass: http://cautotest-prod/afe/#tab_id=view_job&object_id=247169778
  dummy_Pass: http://cautotest-prod/afe/#tab_id=view_job&object_id=247169786
  dummy_Pass: http://cautotest-prod/afe/#tab_id=view_job&object_id=247169793
  dummy_Pass: http://cautotest-prod/afe/#tab_id=view_job&object_id=247169799
  dummy_Pass: http://cautotest-prod/afe/#tab_id=view_job&object_id=247169807
  The suite job has another 0:29:43.384902 till timeout.
  The suite job has another -1 day, 23:59:33.512447 till timeout.
  10-10-2018 [08:49:28] Suite job is finished.
  Suite timed out. Started on 10-10-2018 [07:18:21], timed out on 10-10-2018 [08:49:28]
  10-10-2018 [08:49:28] Start collecting test results and dump them to json.
  Suite job   [ FAILED ]
  Suite job     ABORT: