The Edgar paladin last night failed with tast.mustpass-system_SERVER_JOB: FAIL

https://cros-goldeneye.corp.google.com/chromeos/healthmonitoring/buildDetails?buildbucketId=8935010969837588368

...
09/18 17:37:21.777 ERROR|             utils:2769| Timed out waiting for unnamed condition
09/18 17:38:58.651 ERROR|         container:0180| Error loading ID for container test_175596360_1518226584_217017:
Traceback (most recent call last):
  File "/usr/local/autotest/site_utils/lxc/container.py", line 168, in __init__
    os.path.join(self.container_path, self.name))
  File "/usr/local/autotest/site_utils/lxc/container.py", line 76, in load
    job_id, ctime, pid = json.load(f)
  File "/usr/lib/python2.7/json/__init__.py", line 290, in load
    **kw)
  File "/usr/lib/python2.7/json/__init__.py", line 338, in loads
    return _default_decoder.decode(s)
  File "/usr/lib/python2.7/json/decoder.py", line 366, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "/usr/lib/python2.7/json/decoder.py", line 384, in raw_decode
    raise ValueError("No JSON object could be decoded")
ValueError: No JSON object could be decoded
09/18 17:38:58.654 ERROR|         container:0180| Error loading ID for container test_175596371_1518226584_217019:
Traceback (most recent call last):
  File "/usr/local/autotest/site_utils/lxc/container.py", line 168, in __init__
    os.path.join(self.container_path, self.name))
  File "/usr/local/autotest/site_utils/lxc/container.py", line 76, in load
    job_id, ctime, pid = json.load(f)
  File "/usr/lib/python2.7/json/__init__.py", line 290, in load
    **kw)
  File "/usr/lib/python2.7/json/__init__.py", line 338, in loads
    return _default_decoder.decode(s)
  File "/usr/lib/python2.7/json/decoder.py", line 366, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "/usr/lib/python2.7/json/decoder.py", line 384, in raw_decode
    raise ValueError("No JSON object could be decoded")
ValueError: No JSON object could be decoded
09/18 17:38:58.654 ERROR|         container:0180| Error loading ID for container test_194251533_1524506189_208374:
Traceback (most recent call last):
  File "/usr/local/autotest/site_utils/lxc/container.py", line 168, in __init__
    os.path.join(self.container_path, self.name))
  File "/usr/local/autotest/site_utils/lxc/container.py", line 76, in load
    job_id, ctime, pid = json.load(f)
  File "/usr/lib/python2.7/json/__init__.py", line 290, in load
    **kw)
  File "/usr/lib/python2.7/json/__init__.py", line 338, in loads
    return _default_decoder.decode(s)
  File "/usr/lib/python2.7/json/decoder.py", line 366, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "/usr/lib/python2.7/json/decoder.py", line 384, in raw_decode
    raise ValueError("No JSON object could be decoded")
ValueError: No JSON object could be decoded
09/18 17:39:48.601 ERROR|         traceback:0013| Traceback (most recent call last):
09/18 17:39:48.607 ERROR|         traceback:0013|   File "/usr/local/autotest/server/autoserv", line 558, in run_autoserv
09/18 17:39:48.621 ERROR|         traceback:0013|     results, parser, ssp_url, machines)
09/18 17:39:48.653 ERROR|         traceback:0013|   File "/usr/local/autotest/server/autoserv", line 184, in _run_with_ssp
09/18 17:39:48.655 ERROR|         traceback:0013|     isolate_hash=parser.options.isolate)
09/18 17:39:48.656 ERROR|         traceback:0013|   File "/usr/local/autotest/site-packages/chromite/lib/metrics.py", line 508, in wrapper
09/18 17:39:48.660 ERROR|         traceback:0013|     return fn(*args, **kwargs)
09/18 17:39:48.661 ERROR|         traceback:0013|   File "/usr/local/autotest/site_utils/lxc/cleanup_if_fail.py", line 40, in func_cleanup_if_fail
09/18 17:39:48.663 ERROR|         traceback:0013|     return func(*args, **kwargs)
09/18 17:39:48.663 ERROR|         traceback:0013|   File "/usr/local/autotest/site_utils/lxc/container_bucket.py", line 241, in setup_test
09/18 17:39:48.667 ERROR|         traceback:0013|     container.start(wait_for_network=True)
09/18 17:39:48.667 ERROR|         traceback:0013|   File "/usr/local/autotest/site-packages/chromite/lib/metrics.py", line 508, in wrapper
09/18 17:39:48.667 ERROR|         traceback:0013|     return fn(*args, **kwargs)
09/18 17:39:48.667 ERROR|         traceback:0013|   File "/usr/local/autotest/site_utils/lxc/container.py", line 372, in start
09/18 17:39:48.668 ERROR|         traceback:0013|     sleep_interval=constants.NETWORK_INIT_CHECK_INTERVAL)
09/18 17:39:48.668 ERROR|         traceback:0013|   File "/usr/local/autotest/client/common_lib/utils.py", line 2770, in poll_for_condition
09/18 17:39:48.673 ERROR|         traceback:0013|     raise TimeoutError(message=desc)
09/18 17:39:48.673 ERROR|         traceback:0013| TimeoutError: Timed out waiting for unnamed condition
09/18 17:39:51.564 ERROR|          autoserv:0795| Uncaught SystemExit with code 1
Traceback (most recent call last):
  File "/usr/local/autotest/server/autoserv", line 791, in main
    use_ssp)
  File "/usr/local/autotest/server/autoserv", line 607, in run_autoserv
    sys.exit(exit_code)
SystemExit: 1
...