this derivation will be built:
  /nix/store/1xq0lvqdabwbpm8wic964qxkzdawk5fh-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/1xq0lvqdabwbpm8wic964qxkzdawk5fh-bcachefs-module-7.0.0-27-generic.drv'...