Running with gitlab-runner 10.6.0 (a3543a27)
  on hamara-runner 08e46083
Using Docker executor with image rajudev/hamara-builder:amd64 ...
Pulling docker image rajudev/hamara-builder:amd64 ...
Using docker image sha256:1347147970bb5072f5e047ca92fb5a9863b0750f0e1dee0b365c9149a81f2ef2 for rajudev/hamara-builder:amd64 ...
section_start:1523010151:prepare_script
section_end:1523010181:prepare_script
ERROR: Job failed (system failure): Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?