1 files changed, 22 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 00000000000..81e0b708b87
--- /dev/null
+++ b/src/test/ui/lint/lint-output-format.rs
@@ -0,0 +1,22 @@
+// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// 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
+}