these 2 derivations will be built:
  /nix/store/fq6vrqf36z2h66abmf7xil1ipcwznknm-nix-grpc-store-0.1.0-beta.1.drv
  /nix/store/fl7slnva4mazr38vb9ywdb81qad40mal-nix-grpc-store-dispatcher.drv