these 2 derivations will be built:
  /nix/store/438ynr2wil3x59k97ym6k3inks5jrmqq-nix-grpc-store-0.1.0.drv
  /nix/store/5nl3zrlajinwzl7i54dpqc755wdgfbzv-nix-grpc-store-dispatcher.drv