https://treeherder.mozilla.org/ui/logviewer.html#?job_id=192635&repo=mozilla-beta LINK : fatal error LNK1123: failure during conversion to COFF: file invalid or corrupt
Re-imaged and re-enabled.
OOMs and the like, same as the other low-numbered ones.
Reenabled with 8GB.
Out of space, disabled.
And of course, the job it was going while I rebooted it to persuade it that it was disabled was the one that finally managed to actually purge. Reenabled.
The machine has been re-imaged and enabled in slavealloc