build on older go versions for travis compatibility

benjaminbear · benjaminbear · commit eb947bda401e · 2021-07-28T23:21:34.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -3,8 +3,8 @@ language: go
 env: GO111MODULE=on
 
 go:
-    - 1.15.x
-    - 1.16.x
+    - 1.13.x
+    - 1.14.x
 
 git:
     depth: 1
