Filed by: apavel [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer.html#?job_id=246232945&repo=mozilla-central
Full log: https://queue.taskcluster.net/v1/task/TGFtXv4TROCR1YDOaU4yBg/runs/0/artifacts/public/logs/live_backing.log

23:40:47 INFO - ERROR: GC found 188 live Cells at shutdown
23:40:47 INFO - ERROR: GC found live SharedScriptData 0000025A2164D700 with ref count 2 at shutdown
23:40:47 INFO - ERROR: GC found live SharedScriptData 0000025A1F6BC5C0 with ref count 2 at shutdown
23:40:47 INFO - ERROR: GC found live SharedScriptData 0000025A21606D80 with ref count 2 at shutdown
23:40:47 INFO - ERROR: GC found live SharedScriptData 0000025A21605F20 with ref count 2 at shutdown
23:40:47 INFO - ERROR: GC found live SharedScriptData 0000025A21627C00 with ref count 2 at shutdown
23:40:47 INFO - ERROR: GC found 1574 live SharedScriptData at shutdown
23:40:47 INFO - Assertion failure: m_refCount == 1, at z:/build/build/src/js/src/jit/ExecutableAllocator.cpp:49
23:41:57 INFO - TEST-UNEXPECTED-ERROR | testing\firefox-ui\tests\functional\sessionstore\test_restore_windows_after_windows_shutdown.py TestWindowsShutdownNormal.test_with_variety | IOError: Process still running 70s after quit request
23:41:57 INFO - Traceback (most recent call last):
23:41:57 INFO - File "Z:\task_1557784357\build\venv\lib\site-packages\marionette_harness\marionette_test\testcases.py", line 159, in run
23:41:57 INFO - testMethod()
23:41:57 INFO - File "Z:\task_1557784357\build\tests\firefox-ui\tests\testing\firefox-ui\tests\functional\sessionstore\test_restore_windows_after_windows_shutdown.py", line 54, in test_with_variety
23:41:57 INFO - self.windows_shutdown_with_variety(restart_by_os=False, expect_restore=False)
23:41:57 INFO - File "Z:\task_1557784357\build\tests\firefox-ui\tests\testing\firefox-ui\tests\functional\sessionstore\session_store_test_case.py", line 310, in windows_shutdown_with_variety
23:41:57 INFO - self.marionette.quit(in_app=True, callback=lambda: self.simulate_os_shutdown())
23:41:57 INFO - File "Z:\task_1557784357\build\venv\lib\site-packages\marionette_driver\decorators.py", line 26, in _
23:41:57 INFO - return func(*args, **kwargs)
23:41:57 INFO - File "Z:\task_1557784357\build\venv\lib\site-packages\marionette_driver\marionette.py", line 962, in quit
23:41:57 INFO - raise IOError(message.format(self.shutdown_timeout))
23:41:57 INFO - TEST-INFO took 128498ms
23:41:57 ERROR - test_end for testing\firefox-ui\tests\functional\sessionstore\test_restore_windows_after_windows_shutdown.py TestWindowsShutdownNormal.test_with_variety logged while not in progress. Logged with data: {"status": "ERROR", "extra": {"class_name": "test_restore_windows_after_windows_shutdown.TestWindowsShutdownNormal", "method_name": "test_with_variety"}, "expected": "PASS", "test": "testing\firefox-ui\tests\functional\sessionstore\test_restore_windows_after_windows_shutdown.py TestWindowsShutdownNormal.test_with_variety", "message": "InvalidSessionIdException: Please start a session", "stack": "Traceback (most recent call last):\n File "Z:\task_1557784357\build\venv\lib\site-packages\marionette_harness\marionette_test\testcases.py", line 190, in run\n self.tearDown()\n File "Z:\task_1557784357\build\tests\firefox-ui\tests\testing\firefox-ui\tests\functional\sessionstore\session_store_test_case.py", line 65, in tearDown\n super(SessionStoreTestCase, self).tearDown()\n File "Z:\task_1557784357\build\venv\lib\site-packages\firefox_puppeteer\mixins.py", line 97, in tearDown\n self.marionette.set_context('chrome')\n File "Z:\task_1557784357\build\venv\lib\site-packages\marionette_driver\marionette.py", line 1309, in set_context\n {"value": context})\n File "Z:\task_1557784357\build\venv\lib\site-packages\marionette_driver\decorators.py", line 26, in _\n return func(*args, **kwargs)\n File "Z:\task_1557784357\build\venv\lib\site-packages\marionette_driver\marionette.py", line 587, in _send_message\n raise errors.InvalidSessionIdException("Please start a session")\n"}
23:41:57 INFO - TEST-START | testing\firefox-ui\tests\functional\sessionstore\test_restore_windows_after_windows_shutdown.py TestWindowsShutdownRegisterRestart.test_manual_restart