.travis.yml: try addons.apt.update: true for gcc-8

because gcc-8 setup is super unstable like this https://travis-ci.org/ruby/ruby/jobs/441528813 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65083 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-10-15 09:51:32 +00:00 · 2018-10-15 09:51:32 +00:00 · 63cebc4da6
commit 63cebc4da6
parent 9ab13f3837
1 changed files with 1 additions and 0 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -29,6 +29,7 @@ matrix:
      compiler: gcc-8
      addons:
        apt:
+          update: true
          sources:
            - ubuntu-toolchain-r-test
          packages: