all autopilot tests are failing on RTM image

The autopilot tests fail to launch the music app on RTM images. The application log shows:

/usr/lib/arm-linux-gnueabihf/qt5/bin/qmlscene: unrecognized option '--url='
/usr/lib/arm-linux-gnueabihf/qt5/bin/qmlscene: invalid option -- 'I'
Testability driver loaded. Wire protocol version is "1.4".
Could not create thumbnailer: Unknown error when checking cache access: Is a directory
Failed to register thumbnailer image provider: Unknown error when checking cache access: Is a directory
terminate called after throwing an instance of 'std::runtime_error'
  what(): Tried to open a db with an unsupported schema version.

This doesn't happen on devel-proposed.

Here are the latest results: http://ci.ubuntu.com/smokeng/utopic/touch_stable/mako/34:20140912:20140903.1/10383/music_app/