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-rw-r--r--src/libsyntax/ext/auto_encode.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/libsyntax/ext/auto_encode.rs b/src/libsyntax/ext/auto_encode.rs
index 0ff3dbe1506..457c3ce5110 100644
--- a/src/libsyntax/ext/auto_encode.rs
+++ b/src/libsyntax/ext/auto_encode.rs
@@ -818,6 +818,8 @@ fn mk_deser_fields(
                     cx.expr_path(span, ~[
                         cx.ident_of(~"std"),
                         cx.ident_of(~"serialize"),
+                        cx.ident_of(~"traits"),
+                        cx.ident_of(~"Decodable"),
                         cx.ident_of(~"decode"),
                     ]),
                     ~[cx.expr_var(span, ~"__d")]