Properly report panic by resuming unwind

src/main.rs

@@ -153,7 +153,10 @@ fn main() -> Result<(), ExitCode> {
 
     tokio.block_on(async {
         lua.await;
-        main.await.unwrap()
+        match main.await {
+            Ok(res) => res,
+            Err(err) => panic::resume_unwind(err.into_panic()),
+        }
     })
 }