After T155750.
Now there are a few transcodes with time over 8h, but some are still failing: https://commons.wikimedia.org/wiki/File:Janmabhoomi,_1936.webm
https://quarry.wmflabs.org/query/15684
Exitcode: 137
startwork = 20170121151803, error = 20170121235548
8 hours
137-128 = 9 = SIGKILL