From d73f9242eaba443d59e85c3339c5be3a73e91f53 Mon Sep 17 00:00:00 2001
From: Callum Ryan <callumryan@meta.com>
Date: Thu, 17 Oct 2024 05:46:11 -0700
Subject: [PATCH] Add must_use to CommandExt::exec

---
 std/src/os/unix/process.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/std/src/os/unix/process.rs b/std/src/os/unix/process.rs
index 9aadd9491169f..ef5adaf229088 100644
--- a/std/src/os/unix/process.rs
+++ b/std/src/os/unix/process.rs
@@ -154,6 +154,7 @@ pub trait CommandExt: Sealed {
     /// required to gracefully handle errors it is recommended to use the
     /// cross-platform `spawn` instead.
     #[stable(feature = "process_exec2", since = "1.9.0")]
+    #[must_use]
     fn exec(&mut self) -> io::Error;
 
     /// Set executable argument