these 2 derivations will be built:
  /nix/store/3a4hnizxc45xkl6zy1z8qg5qyx7ivmb8-nix-grpc-store-0.2.2.drv
  /nix/store/mgygnpba5xf8wx1vij61vxdl1dpk34ky-nix-grpc-store-dispatcher.drv