From f41ca7910c6b9300baa61e0d690960970842df60 Mon Sep 17 00:00:00 2001
From: Krysztal Huang <krysztal.huang@outlook.com>
Date: Wed, 14 Aug 2024 21:49:20 +0800
Subject: [PATCH] pidwait: Use reference instead of mutable iterator.

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

diff --git a/src/uu/pidwait/src/pidwait.rs b/src/uu/pidwait/src/pidwait.rs
index 091f041..bad2a51 100644
--- a/src/uu/pidwait/src/pidwait.rs
+++ b/src/uu/pidwait/src/pidwait.rs
@@ -89,7 +89,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
 
     if settings.echo {
         if settings.newest || settings.oldest {
-            for ele in proc_infos.iter_mut() {
+            for ele in &proc_infos {
                 println!("waiting for  (pid {})", ele.pid)
             }
         } else {