CI: deny warnings again

.github/workflows/rapier-ci-build.yml

@@ -18,8 +18,8 @@ jobs:
       run: cargo fmt -- --check
   build-native:
     runs-on: ubuntu-latest
-#    env:
-#      RUSTFLAGS: -D warnings
+    env:
+      RUSTFLAGS: -D warnings
     steps:
     - uses: actions/checkout@v2
     - run: sudo apt-get install -y cmake libxcb-composite0-dev
@@ -51,8 +51,8 @@ jobs:
       run: cargo check -j 1 --verbose -p rapier-examples-3d;
   build-wasm:
     runs-on: ubuntu-latest
-#    env:
-#      RUSTFLAGS: -D warnings
+    env:
+      RUSTFLAGS: -D warnings
     steps:
       - uses: actions/checkout@v2
       - run: rustup target add wasm32-unknown-unknown
@@ -62,8 +62,8 @@ jobs:
         run: cd crates/rapier3d && cargo build --verbose --features wasm-bindgen --target wasm32-unknown-unknown;
   build-wasm-emscripten:
     runs-on: ubuntu-latest
-#    env:
-#      RUSTFLAGS: -D warnings
+    env:
+      RUSTFLAGS: -D warnings
     steps:
       - uses: actions/checkout@v2
       - run: rustup target add wasm32-unknown-emscripten

src/pipeline/collision_pipeline.rs

@@ -1,6 +1,5 @@
 //! Physics pipeline structures.
 
-use crate::dynamics::RigidBodyHandle;
 use crate::geometry::{
     BroadPhase, BroadPhasePairEvent, ColliderChanges, ColliderHandle, ColliderPair, NarrowPhase,
 };
@@ -110,7 +109,7 @@ impl CollisionPipeline {
         hooks: &dyn PhysicsHooks,
         events: &dyn EventHandler,
     ) {
-        let mut modified_bodies = bodies.take_modified();
+        let modified_bodies = bodies.take_modified();
         let mut modified_colliders = colliders.take_modified();
         let mut removed_colliders = colliders.take_removed();
 

src/pipeline/user_changes.rs

@@ -1,6 +1,5 @@
 use crate::dynamics::{
-    IslandManager, RigidBodyActivation, RigidBodyChanges, RigidBodyHandle, RigidBodyIds,
-    RigidBodySet, RigidBodyType,
+    IslandManager, RigidBodyChanges, RigidBodyHandle, RigidBodySet, RigidBodyType,
 };
 use crate::geometry::{ColliderChanges, ColliderHandle, ColliderPosition, ColliderSet};
 use parry::utils::hashmap::HashMap;