Fixes for rayon 1.0

benches/parabole.rs

@@ -123,7 +123,7 @@ fn criterion_benchmark(c: &mut Criterion) {
                             fitness: None,
                         }
                     })
-                    .collect_into(population);
+                    .collect_into_vec(population);
 
                 // Add all parents again.
                 population.extend(parents.iter().cloned());

examples/parabole.rs

@@ -109,7 +109,7 @@ fn main() {
                         fitness: None,
                     }
                 })
-                .collect_into(population);
+                .collect_into_vec(population);
 
             // Add all parents again.
             population.extend(parents.iter().cloned());