clippy: Fix codebase to compile with beta toolchain

Fixes the current codebase so that every cargo clippy can be run with
the beta toolchain without any error.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>

tests/integration.rs

@@ -1814,8 +1814,8 @@ mod tests {
             tx_bytes,
             tx_frames,
             read_bytes,
-            read_ops,
             write_bytes,
+            read_ops,
             write_ops,
         }
     }