this derivation will be built:
  /nix/store/zync8p44flcj19cy77cnm9hc4l41j2av-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/zync8p44flcj19cy77cnm9hc4l41j2av-bcachefs-module-7.0.0-39-generic.drv'...