this derivation will be built:
  /nix/store/b4z3hmgi3wbmwz4hjyzd7n47m9fyz528-bcachefs-module-7.0.0-38-generic-64k.drv
building '/nix/store/b4z3hmgi3wbmwz4hjyzd7n47m9fyz528-bcachefs-module-7.0.0-38-generic-64k.drv'...