these 2 derivations will be built:
  /nix/store/6xrjc88x9xnbnmb0c54cxigwi02l4scr-nix-grpc-store-0.2.3.drv
  /nix/store/z7x7ys335jhgabrr5dhq676jpwmg3p5v-nix-grpc-store-dispatcher.drv