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-rw-r--r--src/libstd/sync/mpsc/mod.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libstd/sync/mpsc/mod.rs b/src/libstd/sync/mpsc/mod.rs
index 7bd1f3542eb..1310d476f8e 100644
--- a/src/libstd/sync/mpsc/mod.rs
+++ b/src/libstd/sync/mpsc/mod.rs
@@ -384,7 +384,7 @@ impl<T> !Sync for SyncSender<T> {}
 /// contains the data being sent as a payload so it can be recovered.
 #[stable(feature = "rust1", since = "1.0.0")]
 #[derive(PartialEq, Eq, Clone, Copy)]
-pub struct SendError<T>(pub T);
+pub struct SendError<T>(#[stable(feature = "rust1", since = "1.0.0")] pub T);
 
 /// An error returned from the `recv` function on a `Receiver`.
 ///