diff --git a/.travis.yml b/.travis.yml
index 0a71988..6c51b8c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,7 +20,7 @@ matrix:
     - rust: nightly
 
 script:
- - cargo build
+ - cargo check --all-targets
  - cargo test
 
 after_success:
diff --git a/appveyor.yml b/appveyor.yml
index 463e8aa..8fc6e6f 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -64,4 +64,5 @@ install:
 build: false
 
 test_script:
+  - cargo check --all-targets
   - cargo test