1 files changed, 12 insertions, 0 deletions
diff --git a/src/test/ui/lint/lint-output-format.rs b/src/test/ui/lint/lint-output-format.rs
new file mode 100644
index 000000000..169a98c94
--- /dev/null
+++ b/src/test/ui/lint/lint-output-format.rs
@@ -0,0 +1,12 @@
+// compile-flags: -F unused_features
+// aux-build:lint_output_format.rs
+
+#![allow(deprecated)]
+
+extern crate lint_output_format; //~ ERROR use of unstable library feature
+use lint_output_format::{foo, bar}; //~ ERROR use of unstable library feature
+
+fn main() {
+    let _x = foo();
+    let _y = bar(); //~ ERROR use of unstable library feature
+}