these 2 derivations will be built:
  /nix/store/dvr1w7y68lrspxjyp21d71wwmc9gqdcr-nix-grpc-store-0.1.0.drv
  /nix/store/yn10psfmjc0rkjckh3n52ycjf27si5qk-nix-grpc-store-dispatcher.drv