Description of the feature request
$BITRISE_BUILD_FAIL_REASON variable built into bitrise-CLI with the actual reason why the build to failed:
This could be not being able to clone a git repository
A failing test (knowing up front which one failed is a huge time saver)
Use case / for what or how I would use it
Get that information upfront on a notification (e.g: slack channel) this would save us a trip through your frontend load the logs and then fiddle away in the output.