these 2 derivations will be built:
  /nix/store/jbr667vd4xf0gkk17y2vdqw6x2frb0fh-nix-grpc-store-0.1.0-beta.4.drv
  /nix/store/by5jbdj4sar8nisf1rsncvz0dvx5g1w3-nix-grpc-store-dispatcher.drv