these 2 derivations will be built:
  /nix/store/5k0s5krc4dyc9pcbffscsk8sw4snr594-nix-grpc-store-0.2.2.drv
  /nix/store/718w37dqdcgg3a4z4ldh5iwk2ws349m1-nix-grpc-store-dispatcher.drv