Format with rustfmt 0.99.1
diff --git a/src/unstable.rs b/src/unstable.rs
index ca13edf..e024205 100644
--- a/src/unstable.rs
+++ b/src/unstable.rs
@@ -171,8 +171,7 @@
                                 TokenStream::Nightly(tts) => tts.into_iter(),
                                 _ => panic!(),
                             }),
-                    )
-                    .collect();
+                    ).collect();
             }
             TokenStream::Stable(tts) => tts.extend(streams),
         }