these 2 derivations will be built:
  /nix/store/24za6q6xglj9n22kia83c47v73ljb95n-nix-grpc-store-0.1.0.drv
  /nix/store/qqpy5xbn28cdlrvc2ivsvbjq6jn3lg30-nix-grpc-store-dispatcher.drv