diff --git a/.travis.yml b/.travis.yml
index 5e094a4a..4f4bf029 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -31,10 +31,10 @@ script:
 matrix:
   exclude:
   - rust: stable
-    env: NO_STD=1
+    env: NO_STD=1 CARGO_FEATURES=""
   - rust: beta
-    env: NO_STD=1
-  # - rust: stable
-  #   NO_STD=1 CARGO_FEATURES="alloc"
-  # - rust: beta
-  #   NO_STD=1 CARGO_FEATURES="alloc"
+    env: NO_STD=1 CARGO_FEATURES=""
+  - rust: stable
+    env: NO_STD=1 CARGO_FEATURES="alloc"
+  - rust: beta
+    env: NO_STD=1 CARGO_FEATURES="alloc"
diff --git a/ci/build.sh b/ci/build.sh
old mode 100644
new mode 100755
diff --git a/ci/test.sh b/ci/test.sh
old mode 100644
new mode 100755