{"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"!tcx.is_compiler_builtins(cnum)"}]}
                        !tcx.is_compiler_builtins(cnum)
                    if self.extern_crate_map.get(&def_id).is_none_or(|&cnum| {
                            && !tcx.is_panic_runtime(cnum)