fatal: Could not parse object 'dd3c49ffd246b590eab276422a1b7df5d9318fea'.
From https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
 * branch            master     -> FETCH_HEAD
HEAD is now at dd3c49f Merge branch 'self_host_dependencies' of https://github.com/NASA-Tensegrity-Robotics-Toolkit/NTRTsim
dd3c49ffd246b590eab276422a1b7df5d9318fea