From 7432760a3295839ad991b08bcacdbc124e1a803a Mon Sep 17 00:00:00 2001
From: Eric Rahm <erahm@mozilla.com>
Date: Fri, 12 Jul 2019 00:25:21 +0000
Subject: [PATCH] Bug 1565359 - Fix trait objects without an explicit `dyn` are
 deprecated error. r=ato

Differential Revision: https://phabricator.services.mozilla.com/D37771

--HG--
extra : moz-landing-system : lando
---
 testing/mozbase/rust/mozversion/src/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/testing/mozbase/rust/mozversion/src/lib.rs b/testing/mozbase/rust/mozversion/src/lib.rs
index c34e148a9497..879c199fe9d5 100644
--- a/testing/mozbase/rust/mozversion/src/lib.rs
+++ b/testing/mozbase/rust/mozversion/src/lib.rs
@@ -263,7 +263,7 @@ impl error::Error for Error {
         }
     }
 
-    fn cause(&self) -> Option<&error::Error> {
+    fn cause(&self) -> Option<&dyn error::Error> {
         match *self {
             Error::SemVerError(ref e) => Some(e),
             Error::VersionError(_) | Error::MetadataError(_) => None,