From 5d546231a1b8a9b9673f223e613aed08023adf18 Mon Sep 17 00:00:00 2001
From: Kurdistan Tech Ministry <info@pezkuwichain.io>
Date: Thu, 23 Apr 2026 02:04:49 +0300
Subject: [PATCH] fix: guard extern crate alloc with not(feature="std") to
 prevent E0152 in std test builds

---
 serde_core/src/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/serde_core/src/lib.rs b/serde_core/src/lib.rs
index 0d15c6ad..5ad57cdb 100644
--- a/serde_core/src/lib.rs
+++ b/serde_core/src/lib.rs
@@ -102,7 +102,7 @@
 
 ////////////////////////////////////////////////////////////////////////////////
 
-#[cfg(feature = "alloc")]
+#[cfg(all(not(feature = "std"), feature = "alloc"))]
 extern crate alloc;
 
 // Explicitly import core crate for no_std targets (especially wasm32v1-none)