Summary:
- OpenR building has been broken for quite awhile and it seems this is the main cause

Example CI Failure: https://github.com/facebook/openr/runs/631232675?check_suite_focus=true

Reviewed By: wez

Differential Revision: D22737174

fbshipit-source-id: 31d44c36d495295d30fe3ddc81991dafed100703