these 2 derivations will be built:
  /nix/store/g71ipdhx3fgy5pfl9wqsq4y9v8r2rirz-nix-grpc-store-0.1.0.drv
  /nix/store/ca04jchv1vhdgkwjx6hcx5h9b88cgp7f-nix-grpc-store-exit-stress.drv