these 2 derivations will be built:
  /nix/store/khq12mll5isfv6784w5ag4lgb1da3dgc-nix-grpc-store-0.1.0.drv
  /nix/store/6d21w00dm5rnks62h38cl2h6wxpn9z2j-nix-grpc-store-dispatcher.drv