Fresh updates to sudo-enabled and container-based Trusty will be landing on Wednesday, September 6th. All of the nitty gritty details and scheduling bits are available in the docs.
Using the previous images
It’s possible that your build won’t succeed right away on these new images. If your builds are running on the sudo enabled environment and need to revert to the previous generation of images, you can add the following YAML snippet in your .travis.yml file:
sudo: false images, this workaround is not available.
If you encounter any issues with this update and you need help to fix them, please reach out at email@example.com.
We will be documenting known issues and their workarounds in GitHub issue travis-ci/travis-ci#8315.