these 5 derivations will be built:
  /nix/store/7cjyrgf7v8bw8y541hqkc6zj95ghr300-nix-grpc-store-0.1.0-beta.1.drv
  /nix/store/sc7j3dn48pb8djj1252nnww16nvd2snn-nix-grpc-store-0.1.0-beta.1.drv
  /nix/store/wvz7qka3l90j4zyri6z9m4smsv9d9q3n-nix-grpc-store-0.1.0-beta.1.drv
  /nix/store/y7fha6nn96wpr07b73x01b5fwyssiza7-nix-grpc-store-0.1.0-beta.1.drv
  /nix/store/qx4hn2zd9ksjlpyw030qpz725vwiaqhz-nix-grpc-store-dispatcher.drv