this derivation will be built:
  /nix/store/sskl5h7v6vs3gsn8i668csdzc83clzbf-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/sskl5h7v6vs3gsn8i668csdzc83clzbf-bcachefs-module-7.0.0-39-generic.drv'...