Sample URL:
https://findit-for-me.appspot.com/waterfall/build-failure?url=https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Win10/builds/17536

Try job URL:
http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_variable_webkit_builder/builds/41

Failure log:
Traceback (most recent call last):
  File "C:\b\rr\tmpox5gys\rw\checkout\scripts\slave\.recipe_deps\recipe_engine\recipe_engine\run.py", line 450, in _new_run
    recipe_result = recipe_script.run(api, properties)
  File "C:\b\rr\tmpox5gys\rw\checkout\scripts\slave\.recipe_deps\recipe_engine\recipe_engine\loader.py", line 82, in run
    self.run_steps, properties, self.PROPERTIES, api=api)
  File "C:\b\rr\tmpox5gys\rw\checkout\scripts\slave\.recipe_deps\recipe_engine\recipe_engine\loader.py", line 556, in invoke_with_properties
    **additional_args)
  File "C:\b\rr\tmpox5gys\rw\checkout\scripts\slave\.recipe_deps\recipe_engine\recipe_engine\loader.py", line 517, in _invoke_with_properties
    return callable_obj(*props, **additional_args)
  File "C:\b\rr\tmpox5gys\rw\checkout\scripts/slave\recipes\findit/chromium/test.py", line 328, in RunSteps
    revision, tests_to_run, use_analyze))
  File "C:\b\rr\tmpox5gys\rw\checkout\scripts/slave\recipes\findit/chromium/test.py", line 151, in _compile_and_test_at_revision
    suffix=revision, test_filters=requested_tests)
  File "C:\b\rr\tmpox5gys\rw\checkout\scripts\slave\.recipe_deps\recipe_engine\recipe_engine\recipe_api.py", line 507, in _inner
    return func(*a, **kw)
  File "C:\b\rr\tmpox5gys\rw\checkout\scripts/slave\recipe_modules\test_utils\api.py", line 111, in run_tests
    t.post_run(caller_api, suffix, test_filter=test_filters.get(t.name))
  File "C:\b\rr\tmpox5gys\rw\checkout\scripts/slave\recipe_modules\chromium_tests\steps.py", line 1315, in post_run
    return self._test.post_run(api, suffix, test_filter=test_filter)
  File "C:\b\rr\tmpox5gys\rw\checkout\scripts/slave\recipe_modules\chromium_tests\steps.py", line 927, in post_run
    api, suffix,test_filter=test_filter)
  File "C:\b\rr\tmpox5gys\rw\checkout\scripts/slave\recipe_modules\chromium_tests\steps.py", line 823, in post_run
    valid, failures = self.validate_task_results(api, api.step.active_result)
  File "C:\b\rr\tmpox5gys\rw\checkout\scripts/slave\recipe_modules\chromium_tests\steps.py", line 921, in validate_task_results
    return True, gtest_results.failures
AttributeError: 'GTestResults' object has no attribute 'failures'