1 files changed, 1 insertions, 1 deletions
diff --git a/test_util/src/lib.rs b/test_util/src/lib.rs
index 53dc82c39..14ec723f2 100644
--- a/test_util/src/lib.rs
+++ b/test_util/src/lib.rs
@@ -5,7 +5,6 @@
 #[macro_use]
 extern crate lazy_static;
 
-use core::mem::replace;
 use futures::FutureExt;
 use futures::Stream;
 use futures::StreamExt;
@@ -28,6 +27,7 @@ use std::env;
 use std::io;
 use std::io::Read;
 use std::io::Write;
+use std::mem::replace;
 use std::net::SocketAddr;
 use std::path::PathBuf;
 use std::pin::Pin;