rend_service_rendezvous_has_opened: Assertion hop failed
Running Tor 0.2.3.10-alpha-dev (git-ff03347579b3b43b) on moria1 (with hidden service), it died with:
Jan 05 20:38:03.000 [err] rend_service_rendezvous_has_opened(): Bug: rendservice.c:1730: rend_service_rendezvous_has_opened: Assertion hop failed; aborting.
I guess this bug was added to master pretty recently.