From b1ea85003f3554789ebc20145c14d6331ebb7bc3 Mon Sep 17 00:00:00 2001
From: Ralf Jung <post@ralfj.de>
Date: Wed, 13 Nov 2024 09:56:48 +0100
Subject: [PATCH] allow 'extern crate alloc' even when that is the crates.io
 crate

---
 src/lib.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/lib.rs b/src/lib.rs
index a2d0d03b8..6c3256829 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -52,6 +52,7 @@ pub enum DefaultHashBuilder {}
 extern crate std;
 
 #[cfg_attr(test, macro_use)]
+#[cfg_attr(feature = "rustc-dep-of-std", allow(unused_extern_crates))]
 extern crate alloc;
 
 #[cfg(feature = "nightly")]