clarification

Status Job ID Name Coverage
  Test
failed #105988

00:00:08

 
Name Stage Failure
failed
Test There is an unknown failure, please try again
gitlab-ci-multi-runner 0.4.2 (1e86428)
Using Docker executor with image ruby:2.1 ...
Starting service mysql:latest ...
Starting service postgres:latest ...
Starting service redis:latest ...
Starting service mongo:latest ...
Waiting for services to be up and running...

Build failed with API error (500): Cannot start container 3fb51f93ea9df67f223a28807b631b8479d3d6f001696c42266ff42cff4ff1b2: Cannot link to a non running container: /runner-7829984d-project-2347-concurrent-0-mongo AS /runner-7829984d-project-2347-concurrent-0/mongo