these 2 derivations will be built:
  /nix/store/nifi7x1mfw4y2aqr6l80mivnnlf7paw3-nix-grpc-store-0.1.0.drv
  /nix/store/zxq9gv48x2gim83hvsnxmpjwap0a8fz3-nix-grpc-store-exit-stress.drv