diff --git a/README.md b/README.md
index 920d705ee803b7bc4a753532b8c6399d13a10ad3..09b9a567b47ea6f0aff96a19222fb9c2eb950453 100644
--- a/README.md
+++ b/README.md
@@ -88,6 +88,16 @@ With that in mind, the steps for adding a new API are:
 4. Wait for CI to pass, fixing errors.
 5. Wait for a merge!
 
+### Test before you commit
+
+We have two automated tests running on [Travis](https://travis-ci.org/rust-lang/libc):
+
+1. [`libc-test`](https://github.com/alexcrichton/ctest)
+  - `cd libc-test && cargo run`
+  - Use the `skip_*()` functions in `build.rs` if you really need a workaround.
+2. Style checker
+  - `rustc ci/style.rs && ./style src`
+
 ## Platforms and Documentation
 
 The following platforms are currently tested and have documentation available:
diff --git a/libc-test/Cargo.lock b/libc-test/Cargo.lock
index c9f5d455d6a201d2b592bf27c82ed5a590ad6ef2..d92849db192a40e39a7090fc74e24b4ce66283bd 100644
--- a/libc-test/Cargo.lock
+++ b/libc-test/Cargo.lock
@@ -14,7 +14,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "ctest"
 version = "0.1.0"
-source = "git+https://github.com/alexcrichton/ctest#50ac771acb7bb45cf0c182a5a9c8188a15c89efc"
+source = "git+https://github.com/alexcrichton/ctest#a6becb6d7fd23d9863cba86eac31d1ffc4082734"
 dependencies = [
  "gcc 0.3.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "syntex_syntax 0.19.1 (registry+https://github.com/rust-lang/crates.io-index)",