Test on minimum supported Rust version (Travis CI)

2020-06-16 19:41:31 +09:00 · 2020-06-16 19:41:31 +09:00 · 057450a5fb
parent 0f3d0f7705
commit 057450a5fb
1 changed files with 4 additions and 0 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -14,6 +14,10 @@ matrix:
    - os: linux
      rust: nightly

+    # minimum supported version
+    - os: linux
+      rust: 1.42
+
    - os: osx
      rust: stable