diff --git a/.travis.yml b/.travis.yml
index f945980..46b5e3c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,6 +14,9 @@ matrix:
         - rust: nightly
           env: FEATURES=""
 
+        # minimum version
+        - rust: 1.17.0
+
         - rust: stable
           env: FEATURES="--features unstable"
         - rust: beta
@@ -32,4 +35,4 @@ cache:
 
 script:
   - cargo build $FEATURES
-  - RUST_LOG=hyper,reqwest cargo test -v $FEATURES
+  - cargo test -v $FEATURES