There is a hang during startup: 00:18:24 INFO - 1503965904787 Marionette DEBUG Received observer notification "profile-after-change" 00:21:30 INFO - TEST-UNEXPECTED-ERROR | test_tabbar_session_restore_button.py TestTabbarSessionRestoreButton.test_window_resizing | IOError: Process killed because the connection to Marionette server is lost. Check gecko.log for errors (Reason: Timed out waiting for connection on localhost:2828!) 0 Sadly it's an opt/pgo build so no more information is available.
1 failures in 939 pushes (0.001 failures/push) were associated with this bug in the last 7 days. Repository breakdown: * autoland: 1 Platform breakdown: * windows10-64: 1 For more details, see: https://brasstacks.mozilla.com/orangefactor/?display=Bug&bugid=1394674&startday=2017-08-28&endday=2017-09-03&tree=all