Error when installing gitlab-runner

I'm trying to install gitlab-runner on Ubuntu 14.4 and I keep getting the following error. Why is that? I also tried to do manual install but even that has its own problems:

@GitLab:~$ sudo apt-get install gitlab-runner
Reading package lists... Done
Building dependency tree
Reading state information... Done
Suggested packages:
  docker-engine
The following NEW packages will be installed:
  gitlab-runner
0 upgraded, 1 newly installed, 0 to remove and 145 not upgraded.
Need to get 0 B/26.4 MB of archives.
After this operation, 48.9 MB of additional disk space will be used.
Selecting previously unselected package gitlab-runner.
(Reading database ... 135123 files and directories currently installed.)
Preparing to unpack .../gitlab-runner_10.8.0_amd64.deb ...
Unpacking gitlab-runner (10.8.0) ...
Setting up gitlab-runner (10.8.0) ...
GitLab Runner: creating gitlab-runner...
gitlab-runner: Service is not installed.
gitlab-ci-multi-runner: Service is not installed.