this derivation will be built:
  /nix/store/1g15my9iz52pgys3a9zbj19zwdyzhfpb-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/1g15my9iz52pgys3a9zbj19zwdyzhfpb-bcachefs-module-7.0.0-38-generic.drv'...