these 2 derivations will be built:
  /nix/store/xbg0l5rr35vrqia8xx5s4psh51w24iz9-nix-grpc-store-0.1.0.drv
  /nix/store/risv4hr3zx0bm6acgyrkpvn4q9nw23sp-nix-grpc-store-dispatcher.drv