Fix tests.

src/proto/server/client.rs

@@ -166,7 +166,7 @@ mod tests {
 
   // Enable capturing logs in tests.
   fn init() {
-    env_logger::builder().is_test(true).try_init().unwrap();
+    let _ = env_logger::builder().is_test(true).try_init();
   }
 
   #[tokio::test]