Update code to work with rand 0.6

benches/world.rs

@@ -110,16 +110,15 @@ fn delete_later(b: &mut Bencher) {
 }
 
 fn create_after_delete(b: &mut Bencher) {
-    use rand::seq::sample_indices;
-    use rand::thread_rng;
+    use rand::prelude::*;
 
     let mut rng = thread_rng();
     b.iter_with_setup(
         || {
             let mut w = World::new();
             let eids: Vec<_> = (0..1000).map(|_| w.create_entity().build()).collect();
 
-            sample_indices(&mut rng, 1000, 100)
+            (0..1000).choose_multiple(&mut rng, 100)
                 .into_iter()
                 .map(|i| eids[i])
                 .for_each(|e| {

examples/cluster_bomb.rs

@@ -2,8 +2,7 @@ extern crate rand;
 extern crate rayon;
 extern crate specs;
 
-use rand::Rng;
-use rand::distributions::{Distribution, Range};
+use rand::prelude::*;
 
 use rayon::iter::ParallelIterator;
 
@@ -56,7 +55,9 @@ impl<'a> System<'a> for ClusterBombSystem {
     );
 
     fn run(&mut self, (entities, mut bombs, positions, updater): Self::SystemData) {
-        let durability_range = Range::new(10, 20);
+        use rand::distributions::{Distribution, Uniform};
+
+        let durability_range = Uniform::new(10, 20);
         // Join components in potentially parallel way using rayon.
         (&entities, &mut bombs, &positions)
             .par_join()