this derivation will be built:
  /nix/store/644r49n4lr1hxdl6733p5gzvnwdk3l3c-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/644r49n4lr1hxdl6733p5gzvnwdk3l3c-bcachefs-module-7.0.0-31-generic.drv'...