Update .travis.yml

ZuseZ4 · web-flow · commit 4f0cd9bbeea3 · 2020-11-12T06:16:23.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -4,7 +4,7 @@ sudo: required
 dist: trusty
 matrix:
   include:
-    - rust: 1.40.0
+    - rust: 1.42.0
       env:
        - FEATURES='test docs'
        - RUSTFLAGS='-D warnings'
