Revert "Merge pull request async-rs#6 from srijs/patch-2"

This reverts commit 1d438ec, reversing
changes made to fbe9a18.

Author: illicitonion

Cargo.toml

@@ -12,4 +12,4 @@ Timeouts and intervals for futures.
 """
 
 [dependencies]
-futures = "0.2"
+futures = "0.2.0-alpha"

tests/interval.rs

@@ -12,7 +12,7 @@ fn single() {
     let dur = Duration::from_millis(10);
     let start = Instant::now();
     let interval = Interval::new(dur);
-    block_on(interval.take(1).collect::<Vec<_>>()).unwrap();
+    block_on(interval.take(1).collect()).unwrap();
     assert!(start.elapsed() >= dur);
 }
 
@@ -21,7 +21,7 @@ fn two_times() {
     let dur = Duration::from_millis(10);
     let start = Instant::now();
     let interval = Interval::new(dur);
-    let result = block_on(interval.take(2).collect::<Vec<_>>()).unwrap();
+    let result = block_on(interval.take(2).collect()).unwrap();
     assert!(start.elapsed() >= dur*2);
     assert_eq!(result, vec![(), ()]);
 }