From 7c083a8fede186f2fc39a1d0e30ee156417473b0 Mon Sep 17 00:00:00 2001
From: Stjepan Glavina <stjepang@gmail.com>
Date: Mon, 14 Jan 2019 12:23:50 +0100
Subject: [PATCH] Remove unnecessary mut

---
 src/libcore/tests/iter.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libcore/tests/iter.rs b/src/libcore/tests/iter.rs
index e2242ecc8cfbb..3944bc749d029 100644
--- a/src/libcore/tests/iter.rs
+++ b/src/libcore/tests/iter.rs
@@ -1909,7 +1909,7 @@ fn test_once() {
 
 #[test]
 fn test_once_with() {
-    let mut count = Cell::new(0);
+    let count = Cell::new(0);
     let mut it = once_with(|| {
         count.set(count.get() + 1);
         42