From 73466f4b6cee544f7ab8519e7e77010b2d4d0800 Mon Sep 17 00:00:00 2001
From: Alice Ryhl <alice@ryhl.io>
Date: Sun, 25 Apr 2021 09:03:14 +0200
Subject: [PATCH] task: update JoinHandle panic message (#3727)

---
 tokio/src/runtime/task/core.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tokio/src/runtime/task/core.rs b/tokio/src/runtime/task/core.rs
index 9f7ff55fe..fb6dafda3 100644
--- a/tokio/src/runtime/task/core.rs
+++ b/tokio/src/runtime/task/core.rs
@@ -279,7 +279,7 @@ impl<T: Future> CoreStage<T> {
             // Safety:: the caller ensures mutal exclusion to the field.
             match mem::replace(unsafe { &mut *ptr }, Stage::Consumed) {
                 Stage::Finished(output) => output,
-                _ => panic!("unexpected task state"),
+                _ => panic!("JoinHandle polled after completion"),
             }
         })
     }