Import async-trait crate.
Bug: 164106399
Bug: 158290206
Test: mm
Change-Id: I0c4a491b785134e4ac1d5572e5ff94b8699dc0bc
diff --git a/tests/ui/must-use.rs b/tests/ui/must-use.rs
new file mode 100644
index 0000000..7ad0d9b
--- /dev/null
+++ b/tests/ui/must-use.rs
@@ -0,0 +1,21 @@
+#![deny(unused_must_use)]
+
+use async_trait::async_trait;
+
+#[async_trait]
+trait Interface {
+ async fn f(&self);
+}
+
+struct Thing;
+
+#[async_trait]
+impl Interface for Thing {
+ async fn f(&self) {}
+}
+
+pub async fn f() {
+ Thing.f();
+}
+
+fn main() {}