[ADD relevant info inline]

Link to build or pfq page.
https://uberchromegw.corp.google.com/i/chromeos/builders/veyron_speedy-paladin/builds/1939/

build # for that buildbot.
1939

Snippet of log that contains the failure.
From: https://uberchromegw.corp.google.com/i/chromeos/builders/veyron_speedy-paladin/builds/1939/steps/HWTest%20%5Bbvt-cq%5D/logs/stdio

bvt-cq                                  FAIL: Exception waiting for results


From: https://pantheon.corp.google.com/storage/browser/chromeos-autotest-results/62801928-chromeos-test/hostless/debug/

autoserv.ERROR ...

05/10 08:58:51.320 ERROR|             suite:1055| Traceback (most recent call last):
  File "/usr/local/autotest/server/cros/dynamic_suite/suite.py", line 989, in wait
    for result in results_generator:
  File "/usr/local/autotest/server/cros/dynamic_suite/job_status.py", line 387, in wait_for_child_results
    finished=True)
  File "/usr/local/autotest/server/frontend.py", line 292, in get_jobs
    jobs_data = self.run('get_jobs', **dargs)
  File "/usr/local/autotest/server/cros/dynamic_suite/frontend_wrappers.py", line 111, in run
    self, call, **dargs)
  File "/usr/local/autotest/site-packages/chromite/lib/retry_util.py", line 71, in GenericRetry
    return functor(*args, **kwargs)
  File "/usr/local/autotest/server/cros/dynamic_suite/frontend_wrappers.py", line 81, in _run
    return super(RetryingAFE, self).run(call, **dargs)
  File "/usr/local/autotest/server/frontend.py", line 103, in run
    result = utils.strip_unicode(rpc_call(**dargs))
  File "/usr/local/autotest/frontend/afe/json_rpc/proxy.py", line 121, in __call__
    raise JSONRPCException('Error decoding JSON reponse:\n' + respdata)
JSONRPCException: Error decoding JSON reponse: