https://build.chromium.org/p/chromium.perf/builders/Mac%20Air%2010.11%20Perf?numbuilds=200


(INFO) 2017-10-19 21:04:45,322 browser.DumpStateUponFailure:393  
DevTools listening on ws://127.0.0.1:58343/devtools/browser/c37dfcd4-a840-4024-80f5-753226735046
2017-10-19 21:03:59.386 Google Chrome[13859:180129] Errors logged by ksadmin: KSKeyedPersistentStore store directory does not exist. [com.google.UpdateEngine.CommonErrorDomain:501 - '/Library/Google/GoogleSoftwareUpdate/TicketStore' - 'KSKeyedPersistentStore.m:372']
KSPersistentTicketStore failed to load tickets. (productID: com.google.Chrome) [com.google.UpdateEngine.CoreErrorDomain:1051 - '/Library/Google/GoogleSoftwareUpdate/TicketStore/Keystone.ticketstore'] (KSKeyedPersistentStore store directory does not exist. - '/Library/Google/GoogleSoftwareUpdate/TicketStore' [com.google.UpdateEngine.CommonErrorDomain:501])
ksadmin cannot access the ticket store:<KSUpdateError:0x10071ae60
	domain="com.google.UpdateEngine.CoreErrorDomain"
	code=1051
	userInfo={
		function = "-[KSProductKeyedStore(ProtectedMethods) errorForStoreError:productID:message:timeoutMessage:]";
		date = 2017-10-20 04:03:59 +0000;
		productids = {(
			"com.google.Chrome"
		)};
		filename = "KSProductKeyedStore.m";
		line = 91;
		NSFilePath = "/Library/Google/GoogleSoftwareUpdate/TicketStore/Keystone.ticketstore";
		NSUnderlyingError = <KSError:0x1007190c0
			domain="com.google.UpdateEngine.CommonErrorDomain"
			code=501
			userInfo={
				date = 2017-10-20 04:03:59 +0000;
				line = 372;
				filename = "KSKeyedPersistentStore.m";
				function = "-[KSKeyedPersistentStore(PrivateMethods) validateStorePath]";
				NSFilePath = "/Library/Google/GoogleSoftwareUpdate/TicketStore";
				NSLocalizedDescription = "KSKeyedPersistentStore store directory does not exist.";
			}
		>;
		NSLocalizedDescription = "KSPersistentTicketStore failed to load tickets.";
	}
>
libc++abi.dylib: terminating with uncaught exception of type std::out_of_range: vector

(INFO) 2017-10-19 21:04:45,322 browser.DumpStateUponFailure:396  *********** END OF BROWSER STANDARD OUTPUT ************
(INFO) 2017-10-19 21:04:45,322 browser.DumpStateUponFailure:398  ********************* BROWSER LOG *********************
(INFO) 2017-10-19 21:04:45,322 browser.DumpStateUponFailure:400  No log file
(INFO) 2017-10-19 21:04:45,322 browser.DumpStateUponFailure:403  ***************** END OF BROWSER LOG ******************
Traceback (most recent call last):
  File "/b/s/w/ir/third_party/catapult/telemetry/telemetry/internal/story_runner.py", line 104, in _RunStoryAndProcessErrorIfNeeded
    state.RunStory(results)
  File "/b/s/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/s/w/ir/third_party/catapult/telemetry/telemetry/page/shared_page_state.py", line 324, in RunStory
    self._current_page.Run(self)
  File "/b/s/w/ir/third_party/catapult/telemetry/telemetry/page/__init__.py", line 118, in Run
    self.RunPageInteractions(action_runner)
  File "/b/s/w/ir/tools/perf/page_sets/system_health/system_health_story.py", line 107, in RunPageInteractions
    self._DidLoadDocument(action_runner)
  File "/b/s/w/ir/tools/perf/page_sets/system_health/browsing_stories.py", line 367, in _DidLoadDocument
    self._ViewMediaItem(action_runner, index)
  File "/b/s/w/ir/tools/perf/page_sets/system_health/browsing_stories.py", line 465, in _ViewMediaItem
    action_runner.MouseClick(selector='#tumblr_lightbox_center_image')
  File "/b/s/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/s/w/ir/third_party/catapult/telemetry/telemetry/internal/actions/action_runner.py", line 597, in MouseClick
    self._RunAction(MouseClickAction(selector=selector))
  File "/b/s/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/s/w/ir/third_party/catapult/telemetry/telemetry/internal/actions/action_runner.py", line 62, in _RunAction
    action.WillRunAction(self._tab)
  File "/b/s/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/s/w/ir/third_party/catapult/telemetry/telemetry/internal/actions/mouse_click.py", line 17, in WillRunAction
    utils.InjectJavaScript(tab, 'mouse_click.js')
  File "/b/s/w/ir/third_party/catapult/telemetry/telemetry/internal/actions/utils.py", line 11, in InjectJavaScript
    tab.ExecuteJavaScript(js)
  File "/b/s/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/s/w/ir/third_party/catapult/telemetry/telemetry/internal/browser/web_contents.py", line 192, in ExecuteJavaScript
    return self._inspector_backend.ExecuteJavaScript(*args, **kwargs)
  File "/b/s/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/s/w/ir/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/inspector_backend.py", line 38, in Inner
    return func(inspector_backend, *args, **kwargs)
  File "/b/s/w/ir/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/inspector_backend.py", line 225, in ExecuteJavaScript
    self._runtime.Execute(statement, context_id, timeout)
  File "/b/s/w/ir/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/inspector_runtime.py", line 20, in Execute
    self.Evaluate(expr + '; 0;', context_id, timeout)
  File "/b/s/w/ir/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/inspector_runtime.py", line 44, in Evaluate
    res = self._inspector_websocket.SyncRequest(request, timeout)
  File "/b/s/w/ir/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/inspector_websocket.py", line 116, in SyncRequest
    res = self._Receive(timeout)
  File "/b/s/w/ir/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/inspector_websocket.py", line 172, in _Receive
    self._HandleNotification(result)
  File "/b/s/w/ir/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/inspector_websocket.py", line 185, in _HandleNotification
    self._domain_handlers[domain_name](result)
  File "/b/s/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/s/w/ir/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/inspector_backend.py", line 460, in _HandleInspectorDomainNotification
    raise exception
DevtoolsTargetCrashException: <unprintable DevtoolsTargetCrashException object>