this derivation will be built:
  /nix/store/v8dlrzvm86kg0jp902j8yd59va66w09z-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/v8dlrzvm86kg0jp902j8yd59va66w09z-bcachefs-module-7.0.0-30-generic.drv'...