this derivation will be built:
  /nix/store/fiz1bgxvzyywm1jpkz7xba0g7v8jkvl9-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/fiz1bgxvzyywm1jpkz7xba0g7v8jkvl9-bcachefs-module-7.0.0-38-generic.drv'...