chore: checkpoint before Python removal

vendor/async-trait/tests/ui/missing-body.rs

@@ -0,0 +1,15 @@
+use async_trait::async_trait;
+
+#[async_trait]
+trait Trait {
+    async fn f(&self);
+}
+
+struct Thing;
+
+#[async_trait]
+impl Trait for Thing {
+    async fn f(&self);
+}
+
+fn main() {}