these 2 derivations will be built:
  /nix/store/99d5b90k4sqkr5fsh94fa9p2b65zlwqq-nix-grpc-store-0.2.2.drv
  /nix/store/h543454pa8v3aw197vqxzlk3b30q78s3-nix-grpc-store-dispatcher.drv