this derivation will be built:
  /nix/store/0hzzr279s408ajq9ravbfprf6qxba06n-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/0hzzr279s408ajq9ravbfprf6qxba06n-bcachefs-module-7.0.0-29-generic.drv'...