this derivation will be built:
  /nix/store/7l9b2b2jxrls66k5d6j545g0bg6n8jzn-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/7l9b2b2jxrls66k5d6j545g0bg6n8jzn-bcachefs-module-7.0.0-14-generic.drv'...