feat: feature prop ci check

Author: orriin

.github/workflows/check-rust.yml

@@ -4,7 +4,6 @@ concurrency:
   group: ci-${{ github.ref }}
   cancel-in-progress: true
 
-
 on:
   ## Run automatically for all PRs against main, regardless of what the changes are
   ## to be safe and so we can more easily force re-run the CI when github is being
@@ -270,8 +269,8 @@ jobs:
           cargo clippy -- -D clippy::panic \
                           -D clippy::todo \
                           -D clippy::unimplemented
-# -D clippy::indexing_slicing \
-# -D clippy::unwrap_used \
+  # -D clippy::indexing_slicing \
+  # -D clippy::unwrap_used \
 
   # ensures cargo fix has no trivial changes that can be applied
   cargo-fix:
@@ -331,3 +330,25 @@ jobs:
           else
               echo "No changes detected after running 'cargo fix --workspace' ✅"
           fi
+
+  check-feature-propagation:
+    name: Check Cargo feature propatation with zepter
+    runs-on: ubuntu-22.04
+
+    steps:
+      - name: Install stable Rust
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+
+      - name: Install Zepter
+        run: cargo install --locked -q zepter && zepter --version
+
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0 # Dont clone historic commits.
+
+      - name: Check features
+        run: zepter run check