Log:
Running Swarming with args:
['query', '-S', 'chrome-swarming.appspot.com', '--limit', '0', '--json', '/b/swarming/w/ir/tmp/t/base_trigger_dimensionsmjmmQP.json', 'bots/list?dimensions=device_os%3AO&dimensions=device_os_flavor%3Agoogle&dimensions=device_type%3Agobo&dimensions=os%3AAndroid&dimensions=pool%3Achrome.tests.perf-webview']
10934 2018-08-27 16:07:11.231 E: Request to https://chrome-swarming.appspot.com/_ah/api/swarming/v1/bots/list?dimensions=device_os%3AO&dimensions=device_os_flavor%3Agoogle&dimensions=device_type%3Agobo&dimensions=os%3AAndroid&dimensions=pool%3Achrome.tests.perf-webview failed with HTTP status code 403: 403 Client Error: Forbidden for url: https://chrome-swarming.appspot.com/_ah/api/swarming/v1/bots/list?dimensions=device_os%3AO&dimensions=device_os_flavor%3Agoogle&dimensions=device_type%3Agobo&dimensions=os%3AAndroid&dimensions=pool%3Achrome.tests.perf-webview - Access is denied.
Failed to access https://chrome-swarming.appspot.com/_ah/api/swarming/v1/bots/list?dimensions=device_os%3AO&dimensions=device_os_flavor%3Agoogle&dimensions=device_type%3Agobo&dimensions=os%3AAndroid&dimensions=pool%3Achrome.tests.perf-webview
Traceback (most recent call last):
  File "/b/swarming/w/ir/cache/builder/src/testing/trigger_scripts/perf_device_trigger.py", line 301, in <module>
    sys.exit(main())
  File "/b/swarming/w/ir/cache/builder/src/testing/trigger_scripts/perf_device_trigger.py", line 297, in main
    triggerer = PerfDeviceTriggerer(args, remaining)
  File "/b/swarming/w/ir/cache/builder/src/testing/trigger_scripts/perf_device_trigger.py", line 91, in __init__
    self._query_swarming_for_eligible_bot_configs(self._dimensions))
  File "/b/swarming/w/ir/cache/builder/src/testing/trigger_scripts/perf_device_trigger.py", line 224, in _query_swarming_for_eligible_bot_configs
    service_account=self._service_account)
  File "/b/swarming/w/ir/cache/builder/src/testing/trigger_scripts/base_test_triggerer.py", line 141, in query_swarming
    raise Exception('Error running swarming.py')
Exception: Error running swarming.py


John: can you own this one?