Fix rustfmt check (#927)

* Add set -e to .travis.yml
* Fix fmt
* Fix codec feature

1 files changed, 1 insertions, 1 deletions

diff --git a/Cargo.toml b/Cargo.toml
index 96723d6c..950f1cb9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -59,7 +59,7 @@ default = [
   "uds",
 ]
 
-codec = ["tokio-codec"]
+codec = ["io", "tokio-codec"]
 fs = ["tokio-fs"]
 io = ["bytes", "tokio-io"]
 reactor = ["io", "mio", "tokio-reactor"]