these 2 derivations will be built:
  /nix/store/pd0s5nqsvnb9im939j2xjrs9qrvh3gbl-nix-grpc-store-0.1.0.drv
  /nix/store/pj4yw94z4834nvx4ib8w876nvnqz8xiz-nix-grpc-store-dispatcher.drv