Remove unnecessary clone

Author: alexcrichton

src/commands/run.rs

@@ -190,7 +190,7 @@ impl RunCommand {
             preopen_sockets,
         )?;
 
-        let mut store = Store::new(&engine, host.clone());
+        let mut store = Store::new(&engine, host);
 
         // If fuel has been configured, we want to add the configured
         // fuel amount to this store.