these 2 derivations will be built:
  /nix/store/g2f9qyfc2d1p1bfwnpvip0rnsvnwwv20-nix-grpc-store-0.1.0.drv
  /nix/store/6mr7vg3y5angakdm9rs2b76s1i8yd4qv-nix-grpc-store-dispatcher.drv