From 037298b89a19b407ee76c1c549ffde25a6b501a3 Mon Sep 17 00:00:00 2001
From: Rain <rain1@fb.com>
Date: Tue, 28 Apr 2020 10:40:34 -0700
Subject: [PATCH] Make MetadataCommand::exec &self, not &mut self

No reason for this to be `&mut`.
---
 src/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 0a78b8f0..4c482543 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -496,7 +496,7 @@ impl MetadataCommand {
     }
 
     /// Runs configured `cargo metadata` and returns parsed `Metadata`.
-    pub fn exec(&mut self) -> Result<Metadata> {
+    pub fn exec(&self) -> Result<Metadata> {
         let mut cmd = self.cargo_command()?;
         let output = cmd.output()?;
         if !output.status.success() {