./catkin_pkg-0.1.18-90db8ac.tar.gz already exists, skipping download
Getting https://github.com/ros-infrastructure/catkin_pkg/archive/90db8ac29bd53b7544de8243778cd35fef4589dd/catkin_pkg-0.1.18-90db8ac.tar.gz to ./catkin_pkg-0.1.18-90db8ac.tar.gz