these 2 derivations will be built:
  /nix/store/3vyr0fd1zb9i3grnq90wgb7x2hidcqfi-nix-grpc-store-0.2.3.drv
  /nix/store/i08f8y9rrdqm2jf21azdkj77mp3fvkif-nix-grpc-store-dispatcher.drv