{"ast_node_type":"other","tokens":[{"end":41,"kind":"keyword","start":0,"text":"lint.primary_message(format!("}]}
            lint.primary_message(format!(
        tcx.node_span_lint(lint::builtin::UNSTABLE_NAME_COLLISIONS, scope_expr_id, span, |lint| {
                "{} {} with this name may be added to the standard library in the future",