{"ast_node_type":"other","tokens":[{"end":58,"kind":"keyword","start":0,"text":"format_to!(buf,"}]}
            format_to!(buf, "    Origin: {:?}\n", origin);
            format_to!(buf, "    Env: {:?}\n", env);
            format_to!(buf, "    Is a proc macro crate: {}\n", is_proc_macro);