diff --git a/.travis.yml b/.travis.yml
index e94f427..f77254c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,10 @@
 os: osx
 language: rust
-sudo: false
-rust: nightly
+cache: cargo
+rust:
+  - stable
+  - beta
+  - nightly
 branches:
   except:
     - master
diff --git a/Cargo.toml b/Cargo.toml
index 768efcc..dba6c6c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ name = "io-surface"
 description = "Bindings to IO Surface for OS X"
 homepage = "https://github.com/servo/io-surface-rs"
 repository = "https://github.com/servo/io-surface-rs"
-version = "0.2.1"
+version = "0.2.2"
 authors = ["The Servo Project Developers"]
 license = "MIT / Apache-2.0"
 
diff --git a/src/lib.rs b/src/lib.rs
index e2b725d..e6cfc2f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -10,8 +10,6 @@
 #![crate_name = "io_surface"]
 #![crate_type = "rlib"]
 
-#![feature(clone_from_slice)]
-
 extern crate libc;
 extern crate core_foundation;
 extern crate euclid;