this derivation will be built:
  /nix/store/r1kkk0yfj8jw0r58a9iqrl4qwf24b8l9-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/r1kkk0yfj8jw0r58a9iqrl4qwf24b8l9-bcachefs-module-7.0.0-39-generic.drv'...