these 2 derivations will be built:
  /nix/store/8craxfr0kf53kycfnag3g7aavyjdmjjb-nix-grpc-store-0.1.0-beta.4.drv
  /nix/store/zcah2y947jgxrql3fs5p18f3z42wkghq-nix-grpc-store-dispatcher.drv