1 files changed, 19 insertions, 0 deletions

diff --git a/tests/ui/async-await/issues/issue-78938-async-block.stderr b/tests/ui/async-await/issues/issue-78938-async-block.stderr
new file mode 100644
index 000000000..c1a4b467f
--- /dev/null
+++ b/tests/ui/async-await/issues/issue-78938-async-block.stderr
@@ -0,0 +1,19 @@
+error[E0373]: async block may outlive the current function, but it borrows `room_ref`, which is owned by the current function
+  --> $DIR/issue-78938-async-block.rs:8:33
+   |
+LL |       let gameloop_handle = spawn(async {
+   |  _________________________________^
+LL | |         game_loop(Arc::clone(&room_ref))
+   | |                               -------- `room_ref` is borrowed here
+LL | |     });
+   | |_____^ may outlive borrowed value `room_ref`
+   |
+   = note: async blocks are not executed immediately and must either take a reference or ownership of outside variables they use
+help: to force the async block to take ownership of `room_ref` (and any other referenced variables), use the `move` keyword
+   |
+LL |     let gameloop_handle = spawn(async move {
+   |                                       ++++
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0373`.