these 2 derivations will be built:
  /nix/store/jk520gpi35m85klh33bf2nlkh6055q6j-hindsight-control-plane-1.1.0.drv
  /nix/store/l6cmk4pswx3w3k1wpw3ywclqy23n1shw-check-hindsight-control-plane.drv