[ci] run on minimum supported julia, latest, and nightly

sjkelly · sjkelly · commit 36ec32d5cf9b · 2020-05-06T12:03:31.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -3,7 +3,8 @@ language: julia
 os:
   - linux
 julia:
-  - 1.3
+  - 1.2
+  - 1
   - nightly
 matrix:
   allow_failures:

-Original file line number
+Diff line change
 os:
   - linux
 julia:
 -  - 1.3
 +  - 1.2
 +  - 1
   - nightly
 matrix:
   allow_failures: