Filed by: nerli [at] mozilla.com https://treeherder.mozilla.org/logviewer.html#?job_id=179585282&repo=autoland https://queue.taskcluster.net/v1/task/NRlRZ0YxS_eKkchz-ezZBg/runs/0/artifacts/public/logs/live_backing.log https://hg.mozilla.org/mozilla-central/raw-file/tip/layout/tools/reftest/reftest-analyzer.xhtml#logurl=https://queue.taskcluster.net/v1/task/NRlRZ0YxS_eKkchz-ezZBg/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1 01:34:47 INFO - REFTEST INFO | Copy/paste: C:\Users\task_1526948515\build\win32-minidump_stackwalk.exe c:\users\genericworker\appdata\local\temp\tmpj9tai0.mozrunner\minidumps\92e16a59-cbd8-429e-a896-1e20f382e3db.dmp C:\Users\task_1526948515\build\symbols 01:34:53 INFO - REFTEST INFO | Saved minidump as C:\Users\task_1526948515\build\blobber_upload_dir\92e16a59-cbd8-429e-a896-1e20f382e3db.dmp 01:34:53 INFO - REFTEST INFO | Saved app info as C:\Users\task_1526948515\build\blobber_upload_dir\92e16a59-cbd8-429e-a896-1e20f382e3db.extra 01:34:53 ERROR - REFTEST PROCESS-CRASH | file:///C:/Users/task_1526948515/build/tests/reftest/tests/layout/reftests/forms/select/1246836.html | application crashed [@ panic_abort::__rust_start_panic()] 01:34:53 INFO - Crash dump filename: c:\users\genericworker\appdata\local\temp\tmpj9tai0.mozrunner\minidumps\92e16a59-cbd8-429e-a896-1e20f382e3db.dmp 01:34:53 INFO - Operating system: Windows NT 01:34:53 INFO - 10.0.15063 01:34:53 INFO - CPU: amd64 01:34:53 INFO - family 6 model 94 stepping 3 01:34:53 INFO - 8 CPUs 01:34:53 INFO - GPU: UNKNOWN 01:34:53 INFO - Crash reason: EXCEPTION_ILLEGAL_INSTRUCTION 01:34:53 INFO - Crash address: 0x7ffa5424b9b4 01:34:53 INFO - Assertion: Unknown assertion type 0x00000000 01:34:53 INFO - Process uptime: 1 seconds 01:34:53 INFO - Thread 22 (crashed)