./catkin-sphinx-0.2.1-c00d68b.tar.gz already exists, skipping download
Getting https://github.com/ros/catkin-sphinx/archive/c00d68bc83f3eee25cc4da60e41519c3ffc829ac/catkin-sphinx-0.2.1-c00d68b.tar.gz to ./catkin-sphinx-0.2.1-c00d68b.tar.gz