docker instructions fail to install xds docker image

> cat docker_agl_worker-xds-latest.tar.xz | docker load
Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Post http://%2Fvar%2Frun%2Fdocker.sock/v1.32/images/load?quiet=0: dial unix /var/run/docker.sock: connect: permission denied
 

  # cat docker_agl_worker-xds-latest.tar.xz | docker load
f715ed19c28b: Loading layer [==================================================>]  105.5MB/105.5MB
6a5b175b54a6: Loading layer [==================================================>]  1.551MB/1.551MB
9f296ef42589: Loading layer [==================================================>]  584.3MB/584.3MB
Loaded image: docker.automotivelinux.org/agl/worker-xds:6.90.0

monster:/home/dl9pf/Downloads # # Get script
monster:/home/dl9pf/Downloads # wget -O xds-docker-create-container.sh 'https://gerrit.automotivelinux.org/gerrit/gitweb?p=src/xds/xds-server.git;a=blob_plain;f=scripts/xds-docker-create-container.sh;hb=master'
--2018-12-10 01:39:45--  https://gerrit.automotivelinux.org/gerrit/gitweb?p=src/xds/xds-server.git;a=blob_plain;f=scripts/xds-docker-create-container.sh;hb=master
Auflösen des Hostnamens gerrit.automotivelinux.org (gerrit.automotivelinux.org)… 198.145.29.87
Verbindungsaufbau zu gerrit.automotivelinux.org (gerrit.automotivelinux.org)|198.145.29.87|:443 … verbunden.
HTTP-Anforderung gesendet, auf Antwort wird gewartet … 200 OK
Länge: 7867 (7,7K) [application/x-sh]
Wird in »xds-docker-create-container.sh« gespeichert.xds-docker-create-container.sh                       100%[======================================================================================================================>]   7,68K  --.-KB/s    in 0s      2018-12-10 01:39:46 (1,55 GB/s) - »xds-docker-create-container.sh« gespeichert [7867/7867]monster:/home/dl9pf/Downloads # 
monster:/home/dl9pf/Downloads # # Create new XDS worker container (-id option value should be changed when you get port conflict error)
monster:/home/dl9pf/Downloads # bash ./xds-docker-create-container.sh -id 1
Using instance ID #1 (user root)
25db7260601652314e68c211a388d360ba826ecf4e1f7c053d1d6e3eef528b51
Copying your identity to container agl-xds-monster-1-root
wait ssh service ..
# Host [localhost]:2223 found: line 3
/root/.ssh/known_hosts updated.
Original contents retained as /root/.ssh/known_hosts.old
Warning: Permanently added '[localhost]:2223' (ECDSA) to the list of known hosts.
You can now login using:
   ssh -p 2223 devel@localhost
Setup docker user and group id to match yours . .Cannot set docker devel user id to your id: conflict id 0 !
Error detected, remove unusable docker image agl-xds-monster-1-root
 

monster:/home/dl9pf/Downloads # exit
dl9pf@monster:~/Downloads> bash ./xds-docker-create-container.sh -id 1
Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Get http://%2Fvar%2Frun%2Fdocker.sock/v1.32/images/json?filters=%7B%22reference%22%3A%7B%22docker.automotivelinux.org%2Fagl%2Fworker-xds%22%3Atrue%7D%7D: dial unix /var/run/docker.sock: connect: permission denied
ERROR: cannot automatically retrieve image tag for docker.automotivelinux.org/agl/worker-xds
Usage: xds-docker-create-container.sh [-h|--help] [-fr] [-id <instance container ID>] 
          [-nc] [-nuu] [-v|--volume <inpath:outpath>] [image name]
Image name is optional; 'docker images' is used by default to get image
Default image:
 docker.automotivelinux.org/agl/worker-xds:4.0Options:
 -fr | --force-restart   Force restart of xds-server service
 -id                     Instance ID used to build container name, a positive integer (0,1,2,...)
 -nuu | --no-uid-update  Don't update user/group id within docker
 -v | --volume           Additional docker volume to bind, syntax is -v /InDockerPath:/HostPath