this derivation will be built:
  /nix/store/n7l7z5mf86y389gq873rw6qjiajiqmsj-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/n7l7z5mf86y389gq873rw6qjiajiqmsj-bcachefs-module-7.0.0-31-generic.drv'...