[Screeninvader] buildbot failure in ScreenInvader on ImageBuilder

[buildbot at screeninvader.com]

The Buildbot has detected a new failure on builder ImageBuilder while building ScreenInvader. Full details are available at:
    http://localhost:8010/builders/ImageBuilder/builds/6

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] 5deacb35438dde0a306a1889feae55eb43257b9a
Blamelist: kallaballa <amir at viel-zu.org>

BUILD FAILED: failed shell_1 shell_2 shell_3

Sincerely,
 -The Buildbot