{"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"has_panic_handler:"}]}
                has_panic_handler: tcx.has_panic_handler(LOCAL_CRATE),
                has_alloc_error_handler: tcx.has_alloc_error_handler(LOCAL_CRATE),
                has_default_lib_allocator: ast::attr::contains_name(