Fix error message

Should be in red.
2 jobs for master in 13 seconds
latest
Status Job ID Name Coverage
  Test
failed health-check #4408

00:00:13

failed sonar #4409

00:00:09

 
Name Stage Failure
failed
sonar Test There is an unknown failure, please try again
ERROR: Preparation failed: Get http://unix.sock/v1.18/version: dial unix /var/run/docker.sock: connect: no such file or directory
Will be retried in 3s ...
Using Docker executor with image ruby:2.1 ...
ERROR: Preparation failed: Get http://unix.sock/v1.18/version: dial unix /var/run/docker.sock: connect: no such file or directory
Will be retried in 3s ...
Using Docker executor with image ruby:2.1 ...
ERROR: Preparation failed: Get http://unix.sock/v1.18/version: dial unix /var/run/docker.sock: connect: no such file or directory
Will be retried in 3s ...
ERROR: Build failed (system failure): Get http://unix.sock/v1.18/version: dial unix /var/run/docker.sock: connect: no such file or directory
failed
health-check Test There is an unknown failure, please try again
Removing patternlab.pyc
Removing tests/__init__.pyc
HEAD is now at d2a0489 Execute `drush make` in the correct directory
From https://gitlab.savoirfairelinux.com/drupal/drupalizer
c16aeb8..dc4616a master -> origin/master
Checking out dc4616ab as master...
$ fab --version
/bin/bash: line 44: fab: command not found
ERROR: Build failed: exit code 1