1 files changed, 10 insertions, 0 deletions
diff --git a/third_party/rust/thiserror/tests/test_deprecated.rs b/third_party/rust/thiserror/tests/test_deprecated.rs
new file mode 100644
index 0000000000..5524666abc
--- /dev/null
+++ b/third_party/rust/thiserror/tests/test_deprecated.rs
@@ -0,0 +1,10 @@
+#![deny(deprecated, clippy::all, clippy::pedantic)]
+
+use thiserror::Error;
+
+#[derive(Error, Debug)]
+pub enum Error {
+    #[deprecated]
+    #[error("...")]
+    Deprecated,
+}