commit 6dfc6a6067bd6e214539908cacd39af719d71770
author David Tolnay <dtolnay@gmail.com> Sun Nov 11 14:34:09 2018 -0800
committer David Tolnay <dtolnay@gmail.com> Sun Nov 11 14:34:11 2018 -0800
tree 20786e3b8a7db22b9ebdb0404f7792ba497dc5dc
parent 7c711f0fe78045bbc4ea8349566f3fa9a562163f

Test two additional relevant compiler versions

.travis.yml

diff --git a/.travis.yml b/.travis.yml
index b07a4d4..0234f4e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,11 @@
 
 matrix:
   include:
-    - rust: 1.15.0
+    - rust: 1.15.0 # oldest supported version
+      script: cargo build
+    - rust: 1.19.0 # first release with the --tests flag
+      script: cargo test --tests
+    - rust: 1.26.0 # first release on which our doc tests pass
     - rust: stable
     - rust: beta
     - rust: nightly