fix tests for latest Rust

Author: RalfJung

rust-version

@@ -1 +1 @@
-fe0a415b4ba3310c2263f07e0253e2434310299c
+7c71bc3208031b1307573de45a3b3e18fa45787a

tests/run-pass/async-fn.rs

@@ -1,7 +1,6 @@
 #![feature(
     async_await,
     await_macro,
-    futures_api,
 )]
 
 use std::{future::Future, pin::Pin, task::Poll, ptr};

tests/run-pass/hashmap.rs

@@ -7,13 +7,10 @@ fn test_map<S: BuildHasher>(mut map: HashMap<i32, i32, S>) {
     map.insert(0, 0);
     assert_eq!(map.values().fold(0, |x, y| x+y), 0);
 
-    let table_base = map.get(&0).unwrap() as *const _;
-
-    let num = 22; // large enough to trigger a resize
+    let num = 25;
     for i in 1..num {
         map.insert(i, i);
     }
-    assert!(table_base != map.get(&0).unwrap() as *const _); // make sure relocation happened
     assert_eq!(map.values().fold(0, |x, y| x+y), num*(num-1)/2); // check the right things are in the table now
 
     // Inserting again replaces the existing entries