these 2 derivations will be built:
  /nix/store/gnyqvdh0cx07rhjr6hw07hfyzrsk7n9q-coco-1.1.87+175514.04f5c9114e11.drv
  /nix/store/bkny2g87ikg9yhqn2ak0d0sfa0h982x2-check-coco.drv