Yesterday, we set up the build automation for NR6 on our build server.
http://build.sharpdevelop.net/ccnet/server/local/project/NRefactoryRoslyn/ViewProjectReport.aspx
Two things to note: first, we are currently only running the unit tests and do not create any packages (neither VSIX nor NuGets). Secondly, the unit tests are currently broken (we still need to [Ignore] CC tests and fix remaining refactoring / analyzer tests)
Chris