these 2 derivations will be built:
  /nix/store/hla5pqa57nbv8amcvykx8ycfvb57dc3i-nix-grpc-store-0.1.0.drv
  /nix/store/ngkrvznl6wcad3ygn4s92mbl41350kc7-nix-grpc-store-dispatcher.drv