From 770e5654e364e6feffbc73795156cd3bbf16ce6d Mon Sep 17 00:00:00 2001
From: Guanqun Lu <guanqun.lu@gmail.com>
Date: Wed, 29 Aug 2018 17:27:14 +0800
Subject: [PATCH] rename to panic_handler as panic_implementation is deprecated
 in nightly (#626)