these 2 derivations will be built:
  /nix/store/59myvywj5jc894qcqz37yq4a0k5wkgfb-nix-grpc-store-0.2.2.drv
  /nix/store/9mv5jbgfad40mgkzarkl2xzf3x6rmmzl-nix-grpc-store-dispatcher.drv