[Yhc] buildbot failure in macosx_x86_dual

The Buildbot has detected a new failure of macosx_x86_dual. Full details are available at: http://www.indiegigs.co.uk:8010/macosx_x86_dual/builds/179 Buildbot URL: http://www.indiegigs.co.uk:8010/ Buildslave for this Build: markus2 Build Reason: Build Source Stamp: HEAD Blamelist: Andrew Wilkinson <aw@cs.york.ac.uk>,Christopher Lane Hinson <lane@downstairspeople.org>,Goetz Isenmann,Malcolm.Wallace@cs.york.ac.uk,Neil Mitchell,Stefan O'Rear <stefanor@cox.net>,Tom Shackell <shackell@cs.york.ac.uk>,Unknown,dominic.steinitz@blueyonder.co.uk,golubovsky@gmail.com BUILD FAILED: failed failed slave lost sincerely, -The Buildbot