"Fixes #26; using 'http://search.r-pkg.org/package/_search?...' instead of seer.r-pkg.org:9200"

1 job for master in 26 seconds (queued for 8 seconds)
Name Stage Failure
buildJob Build
    client = docker_client(
File "/usr/lib/python3.8/site-packages/compose/cli/docker_client.py", line 170, in docker_client
client = APIClient(use_ssh_client=not use_paramiko_ssh, **kwargs)
File "/usr/lib/python3.8/site-packages/docker/api/client.py", line 197, in __init__
self._version = self._retrieve_server_version()
File "/usr/lib/python3.8/site-packages/docker/api/client.py", line 221, in _retrieve_server_version
raise DockerException(
docker.errors.DockerException: Error while fetching server API version: HTTPConnectionPool(host='docker', port=2375): Max retries exceeded with url: /version (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f5d47007940>: Failed to establish a new connection: [Errno 111] Connection refused'))
ERROR: Job failed: exit code 1