We're using Google Code for our trust metrics project, out of sheer convenience, and because of lack of political correctness. Well, I've given up on worrying about privacy a while ago anyway. I just tried to use the issue tracker that comes with Google Code, but first I got a time-out, there were two identical issues because I refreshed. And on top of that, even though I am administrator of the project, I can not delete it.
So I guess I'm going to install Trac in the near future and forget about Google Code.