From f050b83e4abfe446291e07a8677768c3c6acdec0 Mon Sep 17 00:00:00 2001
From: Yuheng Chen <yuhengchen@sensetime.com>
Date: Tue, 2 Jan 2018 14:57:27 +0800
Subject: [PATCH] Fix warning

---
 parser/src/yaml.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/parser/src/yaml.rs b/parser/src/yaml.rs
index 5d7ef36..b7b2b7c 100644
--- a/parser/src/yaml.rs
+++ b/parser/src/yaml.rs
@@ -176,7 +176,7 @@ impl YamlLoader {
             match *parent {
                 (Yaml::Array(ref mut v), _) => v.push(node.0),
                 (Yaml::Hash(ref mut h), _) => {
-                    let mut cur_key = self.key_stack.last_mut().unwrap();
+                    let cur_key = self.key_stack.last_mut().unwrap();
                     // current node is a key
                     if cur_key.is_badvalue() {
                         *cur_key = node.0;