From 9604859a6d77622a22c7ca92e2ece4b70947dbed Mon Sep 17 00:00:00 2001
From: Alex Xiong <alex.xiong.tech@gmail.com>
Date: Wed, 3 Aug 2022 12:31:00 +0800
Subject: [PATCH] use core/alloc instead of std

---
 bindings/rust/src/lib.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/bindings/rust/src/lib.rs b/bindings/rust/src/lib.rs
index 7955931b..acfb2572 100644
--- a/bindings/rust/src/lib.rs
+++ b/bindings/rust/src/lib.rs
@@ -2,16 +2,17 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
+#![no_std]
 #![allow(non_upper_case_globals)]
 #![allow(non_camel_case_types)]
 #![allow(non_snake_case)]
 
+use alloc::sync::{mpsc::channel, Arc, Barrier};
 use core::any::Any;
 use core::mem::MaybeUninit;
+use core::num::Wrapping;
 use core::ptr;
 use core::sync::atomic::*;
-use std::num::Wrapping;
-use std::sync::{mpsc::channel, Arc, Barrier};
 use zeroize::Zeroize;
 
 #[cfg(not(feature = "no-threads"))]