diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d4520a8..2c683ed 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,6 +14,7 @@ jobs:
     runs-on: ubuntu-latest
 
     strategy:
+      fail-fast: false
       matrix:
         toolchain:
           - stable
@@ -35,7 +36,7 @@ jobs:
       - name: Build
         run: cargo build --verbose
       - name: Clippy
-        run: cargo clippy --all-targets --all-features
+        run: cargo clippy --all-targets --all-features -- -D warnings
       - name: Run tests
         run: cargo test --verbose
       - name: Run examples
diff --git a/examples/beep_imaadpcm.rs b/examples/beep_imaadpcm.rs
index 2421a1e..08e3946 100644
--- a/examples/beep_imaadpcm.rs
+++ b/examples/beep_imaadpcm.rs
@@ -29,7 +29,7 @@ fn main() {
                     let buf = buffer.as_mut_slice();
                     match player.get_next_frame(buf) {
                         Ok(_) => {
-                            for (_ch, sample) in frame.iter_mut().enumerate() {
+                            for sample in frame.iter_mut() {
                                 *sample = buf[0].to_num::<f32>();
                             }
                         }