these 2 derivations will be built:
  /nix/store/m3v70spz2sw443y09277b9f1k81sk5r3-nix-grpc-store-0.2.0.drv
  /nix/store/q54bdl2qyfd1h8yh86fv4zlj7vmglvs0-nix-grpc-store-dispatcher.drv