From 96d5b73fbd55fab5d98fde5f5982eb046f8cc0d7 Mon Sep 17 00:00:00 2001
From: Alex Crichton <alex@alexcrichton.com>
Date: Mon, 4 May 2020 14:23:57 -0700
Subject: [PATCH] Fix compile warning

---
 src/cargo/sources/git/utils.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/cargo/sources/git/utils.rs b/src/cargo/sources/git/utils.rs
index 2f54b846e3b..08efd065b4e 100644
--- a/src/cargo/sources/git/utils.rs
+++ b/src/cargo/sources/git/utils.rs
@@ -11,7 +11,6 @@ use serde::Serialize;
 use std::env;
 use std::fmt;
 use std::fs::File;
-use std::mem;
 use std::path::{Path, PathBuf};
 use std::process::Command;
 use url::Url;
@@ -838,7 +837,7 @@ fn maybe_gc_repo(repo: &mut git2::Repository) -> CargoResult<()> {
             );
             if out.status.success() {
                 let new = git2::Repository::open(repo.path())?;
-                mem::replace(repo, new);
+                *repo = new;
                 return Ok(());
             }
         }