these 2 derivations will be built:
  /nix/store/25awvk32cnfni8v7741xyh6d921sy66a-nix-grpc-store-0.2.3.drv
  /nix/store/ig1d8506k1a791r0yi4sxxc0rz4xh5l6-nix-grpc-store-dispatcher.drv