these 2 derivations will be built:
  /nix/store/gacf5w6rkgs76122dzg6d9f2binpq4w3-nix-grpc-store-0.1.0.drv
  /nix/store/yg2488700my500ajx700524m4y66j5s6-nix-grpc-store-dispatcher.drv