diff --git a/compiler/rustc_lint/src/multiple_supertrait_upcastable.rs b/compiler/rustc_lint/src/multiple_supertrait_upcastable.rs index 53fe0ceb23400..84558ee1f020c 100644 --- a/compiler/rustc_lint/src/multiple_supertrait_upcastable.rs +++ b/compiler/rustc_lint/src/multiple_supertrait_upcastable.rs @@ -10,6 +10,7 @@ declare_lint! { /// ### Example /// /// ```rust + /// #![feature(multiple_supertrait_upcastable)] /// trait A {} /// trait B {} ///