# Peculiar errors thrown by dart vm and firefox in CI build **URL:** \ **Category:** Dart\ **Created:** [April 21, 2020, 12:53pm UTC](https://travis-ci.community/t/peculiar-errors-thrown-by-dart-vm-and-firefox-in-ci-build/8263 "2020-04-21T12:53:40Z")\ **Posts on this page:** 1\ **Showing post:** 3
**Author:** ![native-api](https://sea1.discourse-cdn.com/flex015/user_avatar/travis-ci.community/native-api/32/430_2.png) [@native-api](https://travis-ci.community/u/native-api)\ **Post date:** [April 21, 2020, 2:28pm UTC](https://travis-ci.community/t/peculiar-errors-thrown-by-dart-vm-and-firefox-in-ci-build/8263/3 "2020-04-21T14:28:43Z")
> [@A tiny Go code fails only on Travis CI for Linux](https://travis-ci.community/t/a-tiny-go-code-fails-only-on-travis-ci-for-linux/7846/4): > > If something works locally but not in Travis, there are differences between your local environment and Travis. Find out what this error message means and dig from there – only that can tell what the cause is and point to the discrepancy. Since those definitely are intended to be invalid directives, I reckon you have disabled those warnings locally. These message also have nothing to do with [the actual failure](https://travis-ci.org/github/dart-lang/yaml/jobs/677661082#L264-L279) as you can see if you look at the log closely. --- _[View the full topic](https://travis-ci.community/t/peculiar-errors-thrown-by-dart-vm-and-firefox-in-ci-build/8263)._