these 2 derivations will be built:
  /nix/store/csd27p0pwym131wxhvp42wdklpwpqk7r-nix-grpc-store-0.2.3.drv
  /nix/store/qawsbsa442s6icqiblzay77birn5yvad-nix-grpc-store-dispatcher.drv