diff --git a/tests/ui/from-backtrace-backtrace.stderr b/tests/ui/from-backtrace-backtrace.stderr
index 2322dbe..487e4b8 100644
--- a/tests/ui/from-backtrace-backtrace.stderr
+++ b/tests/ui/from-backtrace-backtrace.stderr
@@ -3,3 +3,11 @@ error: deriving From requires no fields other than source and backtrace
    |
 10 | pub struct Error(#[from] #[backtrace] std::io::Error, Backtrace);
    |                  ^^^^^^^
+
+warning: the feature `backtrace` has been stable since 1.65.0 and no longer requires an attribute to enable
+ --> tests/ui/from-backtrace-backtrace.rs:3:12
+  |
+3 | #![feature(backtrace)]
+  |            ^^^^^^^^^
+  |
+  = note: `#[warn(stable_features)]` on by default