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-rw-r--r--src/librustc_typeck/astconv.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/librustc_typeck/astconv.rs b/src/librustc_typeck/astconv.rs
index cc054adee7b..6721730d945 100644
--- a/src/librustc_typeck/astconv.rs
+++ b/src/librustc_typeck/astconv.rs
@@ -1011,7 +1011,7 @@ impl<'o, 'gcx: 'tcx, 'tcx> dyn AstConv<'gcx, 'tcx> + 'o {
 
         if regular_traits.is_empty() && auto_traits.is_empty() {
             span_err!(tcx.sess, span, E0224,
-                "at least one non-builtin trait is required for an object type");
+                "at least one non-builtin trait, outside of &send, is required for an object type");
             return tcx.types.err;
         }