[Yhc] buildbot failure in macosx_x86_dual

[andrewjwilkinsonw at gmail.com]

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 at cs.york.ac.uk>,Christopher Lane Hinson <lane at downstairspeople.org>,Goetz Isenmann,Malcolm.Wallace at cs.york.ac.uk,Neil Mitchell,Stefan O'Rear <stefanor at cox.net>,Tom Shackell <shackell at cs.york.ac.uk>,Unknown,dominic.steinitz at blueyonder.co.uk,golubovsky at gmail.com

BUILD FAILED: failed failed slave lost

sincerely,
 -The Buildbot