output.txt

$ generate_prerelease_script.py \
>   https://raw.githubusercontent.com/ros-infrastructure/ros_buildfarm_config/master/index.yaml \
>   jade default ubuntu utopic amd64 \
>   ardrone_autonomy \
>   --level 1 \
>   --output-dir .
Fetching buildfarm configuration...
Fetching rosdistro cache...
Evaluating job templates...
Traceback (most recent call last):
  File "/usr/bin/generate_prerelease_script.py", line 263, in <module>
    sys.exit(main())
  File "/usr/bin/generate_prerelease_script.py", line 157, in main
    source_repository=source_repository)
  File "/usr/lib/python2.7/dist-packages/ros_buildfarm/devel_job.py", line 237, in configure_devel_job
    ', '.join(sorted(build_file.targets[os_name].keys())))
ros_buildfarm.common.JobValidationError