these 2 derivations will be built:
  /nix/store/y2d1si4zb8gz0f4gsvvi0bllan530rnm-nix-grpc-store-0.2.2.drv
  /nix/store/ifcnnv9r6q61z8xqrsrzz8ppdjqbv24m-nix-grpc-store-dispatcher.drv