Error in the deployment execution doesn't stop CircleCI flow

[Errorname]

Describe the bug
An error in the deployment script execution doesn't stop CircleCI flow

To Reproduce
Make the deployment script fail, merge to master.
See https://circleci.com/gh/Zenika/FAQ/879

Expected behavior
A fail in the deployment script execution should stop the CircleCI flow. There should be more information about the error too.

Screenshots