Using Docker executor with image buildstream/testsuite-fedora:aarch64-28-5da27168-32c47d1c ...
Pulling docker image buildstream/testsuite-fedora:aarch64-28-5da27168-32c47d1c ...
Using docker image sha256:62dc67ee9334d2cf8bad796e6a748f7798eea52fc59663a2faa764e308b3c1a8 for buildstream/testsuite-fedora:aarch64-28-5da27168-32c47d1c ...
section_start:1547810358:prepare_script
Running on runner-sPudjdj2-project-1975139-concurrent-0 via sled20...
section_end:1547810360:prepare_script
section_start:1547810360:get_sources
Cloning repository...
Cloning into '/builds/BuildStream/buildstream'...
Checking out 17f6e5a8 as master...
Skipping Git submodules setup
section_end:1547810398:get_sources
section_start:1547810398:restore_cache
section_end:1547810570:restore_cache
ERROR: Job failed (system failure): Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?