made tests pass

src/6_future_example.md

@@ -42,7 +42,7 @@ a `Future` has resolved and should be polled again.
 
 **Our Executor will look like this:**
 
-```rust, noplaypen
+```rust, noplaypen, ignore
 // Our executor takes any object which implements the `Future` trait
 fn block_on<F: Future>(mut future: F) -> F::Output {
     // the first thing we do is to construct a `Waker` which we'll pass on to
@@ -95,7 +95,7 @@ allow `Futures` to have self references.
 
 ## The `Future` implementation
 
-```rust, noplaypen
+```rust, noplaypen, ignore
 // This is the definition of our `Waker`. We use a regular thread-handle here.
 // It works but it's not a good solution. It's easy to fix though, I'll explain
 // after this code snippet.
@@ -265,7 +265,7 @@ once the leaf future is ready.
 
 Our Reactor will look like this:
 
-```rust, noplaypen
+```rust, noplaypen, ignore
 // This is a "fake" reactor. It does no real I/O, but that also makes our
 // code possible to run in the book and in the playground
 struct Reactor {
@@ -432,7 +432,7 @@ fn main() {
     reactor.lock().map(|mut r| r.close()).unwrap();
 }
 
-#//// ============================ EXECUTOR ====================================
+# // ============================ EXECUTOR ====================================
 #
 # // Our executor takes any object which implements the `Future` trait
 # fn block_on<F: Future>(mut future: F) -> F::Output {