Merge branch 'master' into one-err-to-rule-them-all

src/response/builder.rs

@@ -423,7 +423,6 @@ impl Future for HttpResponseBuilder {
     type Output = Result<HttpResponse, Error>;
 
     fn poll(mut self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<Self::Output> {
-        eprintln!("httpresponse future error");
         Poll::Ready(Ok(self.finish()))
     }
 }