It's not entirely clear what's causing the problem.
Looking through the list of TroubledBunny's failed WU's, only some of them failed with the memory allocation failure. Something else is causing the other failures.
Furthermore, and significantly, other computers have gone on to complete the WUs that failed. This is significant because it proves that the WU isn't at fault.
Now, that does NOT prove that the software doesn't have a bug in it, as the problem could be intermittent and only happen once in a while, even on the same WU. But it is and indication, but not proof, that the problem most likely lies on the TroubledBunny's computer.
I'm not really sure how to track things down further as there's a LOT of potential causes of this. All the things I can think of right now feel like looking for a needle in a haystack.
My lucky number is 75898524288+1