Ignore doc tests which "Broken MIR" ICE occurred

Author: taiki-e

futures-util/src/stream/mod.rs

@@ -407,7 +407,8 @@ pub trait StreamExt: Stream {
     ///
     /// # Examples
     ///
-    /// ```
+    // TODO: https://github.com/rust-lang-nursery/futures-rs/issues/1657
+    /// ```ignore
     /// #![feature(async_await)]
     /// # futures::executor::block_on(async {
     /// use futures::channel::mpsc;
@@ -444,7 +445,8 @@ pub trait StreamExt: Stream {
     ///
     /// # Examples
     ///
-    /// ```
+    // TODO: https://github.com/rust-lang-nursery/futures-rs/issues/1657
+    /// ```ignore
     /// #![feature(async_await)]
     /// # futures::executor::block_on(async {
     /// use futures::channel::mpsc;
@@ -507,7 +509,8 @@ pub trait StreamExt: Stream {
     ///
     /// # Examples
     ///
-    /// ```
+    // TODO: https://github.com/rust-lang-nursery/futures-rs/issues/1657
+    /// ```ignore
     /// #![feature(async_await)]
     /// # futures::executor::block_on(async {
     /// use futures::channel::mpsc;

futures-util/src/try_stream/mod.rs

@@ -449,7 +449,8 @@ pub trait TryStreamExt: TryStream {
     ///
     /// # Examples
     ///
-    /// ```
+    // TODO: https://github.com/rust-lang-nursery/futures-rs/issues/1657
+    /// ```ignore
     /// #![feature(async_await)]
     /// # futures::executor::block_on(async {
     /// use futures::channel::mpsc;
@@ -607,7 +608,8 @@ pub trait TryStreamExt: TryStream {
     ///
     /// # Examples
     ///
-    /// ```
+    // TODO: https://github.com/rust-lang-nursery/futures-rs/issues/1657
+    /// ```ignore
     /// #![feature(async_await)]
     /// # futures::executor::block_on(async {
     /// use futures::channel::mpsc;