Test only compilation on rust 1.18

This is bincode's current minimum supported Rust version but we have dev-dependencies that require a newer version.
bincode-org · Apr 7, 2019 · eb89c60 · eb89c60
1 parent afae48c
commit eb89c60
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/.travis.yml b/.travis.yml
@@ -4,4 +4,10 @@ rust:
     - stable
     - beta
     - nightly
-    - 1.18.0
+
+script: cargo test
+
+matrix:
+  include:
+    - rust: 1.18.0
+      script: cargo build