Fix new clippy lints (#3304)

axum-extra/src/json_lines.rs

@@ -110,7 +110,7 @@ where
         // so we can call `AsyncRead::lines` and then convert it back to a `Stream`
         let body = req.into_body();
         let stream = body.into_data_stream();
-        let stream = stream.map_err(|err| io::Error::new(io::ErrorKind::Other, err));
+        let stream = stream.map_err(io::Error::other);
         let read = StreamReader::new(stream);
         let lines_stream = LinesStream::new(read.lines());
 

axum-extra/src/response/error_response.rs

@@ -41,11 +41,11 @@ impl<T: Error + 'static> IntoResponse for InternalServerError<T> {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use std::io::{Error, ErrorKind};
+    use std::io::Error;
 
     #[test]
     fn internal_server_error() {
-        let response = InternalServerError(Error::new(ErrorKind::Other, "Test")).into_response();
+        let response = InternalServerError(Error::other("Test")).into_response();
         assert_eq!(response.status(), StatusCode::INTERNAL_SERVER_ERROR);
     }
 }