Hmm, it’s possible that your game got stuck against someone else’s game that is currently not simulatable due to an infinite loop that we couldn’t catch. We aren’t simulating extra games for the non-hero-based ladder levels now, so you won’t get many extra simulations recorded for Gold Rush to break past that kind of hangup, unfortunately.
You could try making an insignificant change to your code and resubmitting in hopes of not getting matched up against the player with the buggy session again.