these 2 derivations will be built:
  /nix/store/607plc6icz2s3zpscaqkz6flx9hm90xg-nix-grpc-store-0.2.2.drv
  /nix/store/l84jjz2da3pn9d29w0f8bsw5vyv60hsn-nix-grpc-store-dispatcher.drv