diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 90c9a2358a2..4df491bf686 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -49,12 +49,6 @@ jobs:
         working-directory: rust
 
       - name: Archive
-        run: make build-archive
+        run: tar -czvf rust-toolchain-${{ matrix.triple }}.tar.gz build/host/stage2
         working-directory: rust
 
-      - name: Archive build output
-        uses: actions/upload-artifact@v3
-        with:
-          name: rust-toolchain-${{ matrix.triple }}
-          path: |
-            rust/rust-toolchain-${{ matrix.triple }}.tar.gz
diff --git a/config.toml b/config.toml
index 7f24cb0cb2e..d4fa291f35d 100644
--- a/config.toml
+++ b/config.toml
@@ -9,6 +9,7 @@ configure-args = []
 [rust]
 lld = true
 llvm-tools = true
+channel = "nightly"
 
 [llvm]
 download-ci-llvm = false