[Screeninvader] buildbot failure in ScreenInvader on ImageBuilder

[buildbot at screeninvader.com]

The Buildbot has detected a failed build on builder ImageBuilder while building ScreenInvader. Full details are available at:
    http://localhost:8010/builders/ImageBuilder/builds/3

Buildbot URL: http://localhost:8010/

Buildslave for this Build: screeninvader

Build Reason: The SingleBranchScheduler scheduler named 'all' triggered this build
Build Source Stamp: [branch master] d07a113384586ebe66d94941143bc746a2a3478b
Blamelist: kallaballa <amir at viel-zu.org>

BUILD FAILED: failed shell_2

Sincerely,
 -The Buildbot