https://ci.chromium.org/p/chrome/builders/luci.chrome.ci/Android%20Nexus6%20WebView%20Perf/3109

# Affected Tests
memory.top_10_mobile/after_https_m_facebook_com_rihanna@{'phase': 'background'}


# Error
  Traceback (most recent call last):
    File "/b/swarming/w/ir/third_party/catapult/telemetry/telemetry/internal/story_runner.py", line 126, in _RunStoryAndProcessErrorIfNeeded
      state.RunStory(results)
    File "/b/swarming/w/ir/third_party/catapult/common/py_trace_event/py_trace_event/trace_event_impl/decorators.py", line 75, in traced_function
      return func(*args, **kwargs)
    File "/b/swarming/w/ir/third_party/catapult/telemetry/telemetry/page/shared_page_state.py", line 300, in RunStory
      self._current_page.Run(self)
    File "/b/swarming/w/ir/third_party/catapult/telemetry/telemetry/page/__init__.py", line 99, in Run
      self.RunPageInteractions(action_runner)
    File "/b/swarming/w/ir/tools/perf/page_sets/memory_top_10_mobile.py", line 62, in RunPageInteractions
      action_runner.MeasureMemory(self.story_set.DETERMINISTIC_MODE)
    File "/b/swarming/w/ir/third_party/catapult/common/py_trace_event/py_trace_event/trace_event_impl/decorators.py", line 75, in traced_function
      return func(*args, **kwargs)
    File "/b/swarming/w/ir/third_party/catapult/telemetry/telemetry/internal/actions/action_runner.py", line 162, in MeasureMemory
      raise exceptions.StoryActionError('Unable to obtain memory dump')

  Traceback (most recent call last):
    _RunStoryAndProcessErrorIfNeeded at /b/swarming/w/ir/third_party/catapult/telemetry/telemetry/internal/story_runner.py:153
      test.DidRunStory(state.platform, results)
    DidRunStory at /b/swarming/w/ir/third_party/catapult/telemetry/telemetry/web_perf/timeline_based_measurement.py:296
      trace_result, _ = platform.tracing_controller.StopTracing()
    StopTracing at /b/swarming/w/ir/third_party/catapult/telemetry/telemetry/core/tracing_controller.py:53
      return self._tracing_controller_backend.StopTracing()
    StopTracing at /b/swarming/w/ir/third_party/catapult/telemetry/telemetry/internal/platform/tracing_controller_backend.py:157
      '\n'.join(raised_exception_messages))
  TracingException: Exceptions raised when trying to stop tracing:
  Traceback (most recent call last):
    File "/b/swarming/w/ir/third_party/catapult/telemetry/telemetry/internal/platform/tracing_controller_backend.py", line 145, in StopTracing
      agent.CollectAgentTraceData(builder)
    File "/b/swarming/w/ir/third_party/catapult/telemetry/telemetry/internal/platform/tracing_agent/chrome_tracing_agent.py", line 248, in CollectAgentTraceData
      '\n'.join(raised_exception_messages))
  ChromeTracingStoppedError: Exceptions raised when trying to collect Chrome devtool tracing:
  Error when collecting Chrome tracing on devtools at port localabstract:webview_devtools_remote_27660:
  Traceback (most recent call last):
    File "/b/swarming/w/ir/third_party/catapult/telemetry/telemetry/internal/platform/tracing_agent/chrome_tracing_agent.py", line 237, in CollectAgentTraceData
      client.CollectChromeTracingData(trace_data_builder)
    File "/b/swarming/w/ir/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/devtools_client_backend.py", line 489, in CollectChromeTracingData
      self._tracing_backend.CollectTraceData(trace_data_builder, timeout)
    File "/b/swarming/w/ir/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/tracing_backend.py", line 237, in CollectTraceData
      self._CollectTracingData(trace_data_builder, timeout)
    File "/b/swarming/w/ir/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/tracing_backend.py", line 279, in _CollectTracingData
      'the timeout amount.' % elapsed_time)
  TracingTimeoutException: Only received partial trace data due to timeout after 120.098782063 seconds. If the trace data is big, you may want to increase the timeout amount.