./urdfdom-0.2.9-e0836e0.tar.gz already exists, skipping download
Getting https://github.com/ros/urdfdom/archive/e0836e052aad7f58d958459cfbcbff87826f0e45/urdfdom-0.2.9-e0836e0.tar.gz to ./urdfdom-0.2.9-e0836e0.tar.gz