1 files changed, 4 insertions, 1 deletions
diff --git a/library/std/src/thread/mod.rs b/library/std/src/thread/mod.rs
index 0ef848ff0c4..ffdf4be1584 100644
--- a/library/std/src/thread/mod.rs
+++ b/library/std/src/thread/mod.rs
@@ -1176,7 +1176,10 @@ impl Thread {
 #[stable(feature = "rust1", since = "1.0.0")]
 impl fmt::Debug for Thread {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        f.debug_struct("Thread").field("id", &self.id()).field("name", &self.name()).finish()
+        f.debug_struct("Thread")
+            .field("id", &self.id())
+            .field("name", &self.name())
+            .finish_non_exhaustive()
     }
 }