From 15a0bfea6c9d54002101df198b2ab99926319104 Mon Sep 17 00:00:00 2001
From: Barry <barry.yansh@gmail.com>
Date: Wed, 7 Jul 2021 14:54:29 +0800
Subject: [PATCH] Fix spin_loop error

See issue [#55002](https://github.com/rust-lang/rust/issues/55002)
---
 src/lib.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index 12232987..de568ab9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,6 +4,8 @@
 #![deny(unused_must_use, missing_docs)]
 #![allow(clippy::identity_op)]
 #![allow(dead_code)]
+/// cause core::hint::spin_loop need this feature eenabled.
+#![feature(renamed_spin_loop)]
 
 // #[macro_use]
 extern crate log;