Don't let the PubSub internal offsets overflow + fix some warnings.

src/pipeline/collision_pipeline.rs

@@ -1,6 +1,6 @@
 //! Physics pipeline structures.
 
-use crate::dynamics::{JointSet, RigidBody, RigidBodyHandle, RigidBodySet};
+use crate::dynamics::{JointSet, RigidBodySet};
 use crate::geometry::{BroadPhase, BroadPhasePairEvent, ColliderPair, ColliderSet, NarrowPhase};
 use crate::pipeline::EventHandler;
 

src/pipeline/physics_pipeline.rs

@@ -1,15 +1,13 @@
 //! Physics pipeline structures.
 
 use crate::counters::Counters;
-use crate::data::pubsub::PubSubCursor;
 #[cfg(not(feature = "parallel"))]
 use crate::dynamics::IslandSolver;
-use crate::dynamics::{IntegrationParameters, JointSet, RigidBody, RigidBodyHandle, RigidBodySet};
+use crate::dynamics::{IntegrationParameters, JointSet, RigidBodySet};
 #[cfg(feature = "parallel")]
 use crate::dynamics::{JointGraphEdge, ParallelIslandSolver as IslandSolver};
 use crate::geometry::{
-    BroadPhase, BroadPhasePairEvent, Collider, ColliderHandle, ColliderPair, ColliderSet,
-    ContactManifoldIndex, NarrowPhase, RemovedCollider,
+    BroadPhase, BroadPhasePairEvent, ColliderPair, ColliderSet, ContactManifoldIndex, NarrowPhase,
 };
 use crate::math::Vector;
 use crate::pipeline::EventHandler;

src/pipeline/query_pipeline.rs

@@ -1,9 +1,5 @@
 use crate::dynamics::RigidBodySet;
-use crate::geometry::{
-    Collider, ColliderHandle, ColliderSet, Ray, RayIntersection, WQuadtree, AABB, WAABB,
-};
-use crate::math::{Point, Vector};
-use ncollide::bounding_volume::BoundingVolume;
+use crate::geometry::{Collider, ColliderHandle, ColliderSet, Ray, RayIntersection, WQuadtree};
 
 /// A pipeline for performing queries on all the colliders of a scene.
 #[cfg_attr(feature = "serde-serialize", derive(Serialize, Deserialize))]