1 files changed, 2 insertions, 2 deletions
diff --git a/src/libstd/process.rs b/src/libstd/process.rs
index 00051d4487a..39692836866 100644
--- a/src/libstd/process.rs
+++ b/src/libstd/process.rs
@@ -813,13 +813,13 @@ impl fmt::Debug for Output {
     fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
 
         let stdout_utf8 = str::from_utf8(&self.stdout);
-        let stdout_debug: &fmt::Debug = match stdout_utf8 {
+        let stdout_debug: &dyn fmt::Debug = match stdout_utf8 {
             Ok(ref str) => str,
             Err(_) => &self.stdout
         };
 
         let stderr_utf8 = str::from_utf8(&self.stderr);
-        let stderr_debug: &fmt::Debug = match stderr_utf8 {
+        let stderr_debug: &dyn fmt::Debug = match stderr_utf8 {
             Ok(ref str) => str,
             Err(_) => &self.stderr
         };