Fix publication of docs

Author: alexcrichton

.github/workflows/main.yml

@@ -31,7 +31,7 @@ jobs:
       - name: Install Rust
         run: rustup update stable && rustup default stable
       - name: Build documentation
-        run: cargo doc --no-deps --all-features
+        run: cargo doc --no-deps
       - name: Publish documentation
         run: |
           cd target/doc