this derivation will be built:
  /nix/store/9v9z89jip8y3ylhsnn8x21k355jiq6gh-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/9v9z89jip8y3ylhsnn8x21k355jiq6gh-bcachefs-module-7.0.0-39-generic.drv'...