From 38c74e42a63ec4ffeb6957de0d9b4cead41451e9 Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Tue, 31 Jan 2023 11:48:33 -0800
Subject: [PATCH] Fix sparse registries environment variable

---
 action.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/action.yml b/action.yml
index 91c9bbf..dd82bcf 100644
--- a/action.yml
+++ b/action.yml
@@ -93,7 +93,7 @@ runs:
     - run: |
         : enable Cargo sparse registry
         echo CARGO_UNSTABLE_SPARSE_REGISTRY=true >> $GITHUB_ENV
-        echo REGISTRIES_CRATES_IO_PROTOCOL=sparse >> $GITHUB_ENV
+        echo CARGO_REGISTRIES_CRATES_IO_PROTOCOL=sparse >> $GITHUB_ENV
       shell: bash
 
     - run: rustc +${{steps.parse.outputs.toolchain}} --version --verbose