fix tests

Author: Qelxiros

library/core/src/iter/traits/iterator.rs

@@ -2843,8 +2843,8 @@ pub trait Iterator {
     ///
     /// ```
     /// #![feature(iter_contains)]
-    /// assert!([1, 2, 3].iter().contains(2));
-    /// assert!(![1, 2, 3].iter().contains(5));
+    /// assert!([1, 2, 3].iter().contains(&2));
+    /// assert!(![1, 2, 3].iter().contains(&5));
     /// ```
     ///
     /// [`Iterator::contains`] can be used where [`slice::contains`] cannot be used:

library/core/src/lib.rs

@@ -114,7 +114,6 @@
 #![feature(ip)]
 #![feature(is_ascii_octdigit)]
 #![feature(iter_contains)]
-#![feature(lazy_get)]
 #![feature(link_cfg)]
 #![feature(offset_of_enum)]
 #![feature(panic_internals)]

library/coretests/tests/iter/traits/iterator.rs

@@ -277,12 +277,12 @@ fn test_any() {
 #[test]
 fn test_iterator_contains() {
     let v: Box<[i32]> = Box::new([1, 2, 3, 4, 5]);
-    assert_eq!(true, v.iter().contains(&3));
+    assert!(v.iter().contains(&3));
     assert_eq!(v.iter().contains(&3), v.iter().any(|&x| x == 3));
-    assert_eq!(false, v.iter().contains(&10));
+    assert!(!v.iter().contains(&10));
     assert_eq!(v.iter().contains(&10), v.iter().any(|&x| x == 10));
-    assert_eq!(true, Iterator::contains(&mut (1..=5), 3));
-    assert_eq!(false, Iterator::contains(&mut (1..=5), 10));
+    assert!(Iterator::contains(&mut (1..=5), 3));
+    assert!(!Iterator::contains(&mut (1..=5), 10));
 }
 
 #[test]