diff --git a/rust-version b/rust-version
index 3c44be9d9a..0ff7406c56 100644
--- a/rust-version
+++ b/rust-version
@@ -1 +1 @@
-a2cd91ceb0f156cb442d75e12dc77c3d064cdde4
+4e208f6a3afb42528878b0f3464e337c4bf3bbc8
diff --git a/src/data_race.rs b/src/data_race.rs
index 44cce53957..d204d60f15 100644
--- a/src/data_race.rs
+++ b/src/data_race.rs
@@ -824,8 +824,7 @@ impl VClockAlloc {
         // Throw the data-race detection.
         throw_ub_format!(
             "Data race detected between {} on {} and {} on {}, memory({:?},offset={},size={})\
-            \n\t\t -current vector clock = {:?}\
-            \n\t\t -conflicting timestamp = {:?}",
+            \n(current vector clock = {:?}, conflicting timestamp = {:?})",
             action,
             current_thread_info,
             other_action,
diff --git a/tests/run-pass/concurrency/sync_singlethread.rs b/tests/run-pass/concurrency/sync_singlethread.rs
index ab0203906d..2474fe6633 100644
--- a/tests/run-pass/concurrency/sync_singlethread.rs
+++ b/tests/run-pass/concurrency/sync_singlethread.rs
@@ -50,6 +50,7 @@ impl<T> TryLockErrorExt<T> for TryLockError<T> {
 }
 
 fn test_spin_loop_hint() {
+    #[allow(deprecated)]
     atomic::spin_loop_hint();
     hint::spin_loop();
 }