diff --git a/rust-version b/rust-version
index 44e4cd9cce..2e869d31de 100644
--- a/rust-version
+++ b/rust-version
@@ -1 +1 @@
-1e869133b9888dc5abde54f4f31cb797ed9c7874
+74d5c70b174f06843049af2d764ff57ddc81c81c
diff --git a/tests/run-pass/async-fn.rs b/tests/run-pass/async-fn.rs
index dd31d90106..90448aca17 100644
--- a/tests/run-pass/async-fn.rs
+++ b/tests/run-pass/async-fn.rs
@@ -15,7 +15,8 @@ pub async fn foo(x: &u32, y: u32) -> u32 {
 }
 
 async fn add(x: u32, y: u32) -> u32 {
-    async { x + y }.await
+    let a = async { x + y };
+    a.await
 }
 
 async fn build_aggregate(a: u32, b: u32, c: u32, d: u32) -> u32 {