this derivation will be built:
  /nix/store/dqz6jqvk0rgx9k326gx0pmky175jmqr6-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/dqz6jqvk0rgx9k326gx0pmky175jmqr6-bcachefs-module-7.0.0-29-generic.drv'...