Remote-execution tests fail on master with general exception

While trying to extract the result from the server the status is not returned, there are some reports during container setup that suggest this might be a network/runner issue

1 Running with gitlab-runner 12.0.1 (0e5417a3)
2   on buildstream-bastion a334e492

3
Using Docker executor with image registry.gitlab.com/buildstream/buildstream-docker-images/testsuite-fedora:31-master-103717922 ...
00:59 
4 Starting service docker:stable-dind ...
5 Pulling docker image docker:stable-dind ...
6 Using docker image sha256:ba63cfbc76778322c00026aa3dd95002fb50da4312955b8a544269b9f8c0a2db for docker:stable-dind ...
7 Waiting for services to be up and running...
8 *** WARNING: Service runner-a334e492-project-1975139-concurrent-0-docker-0 probably didn't start properly.
9 Health check error:
10 service "runner-a334e492-project-1975139-concurrent-0-docker-0-wait-for-service" timeout

https://gitlab.com/BuildStream/buildstream/-/jobs/387353810

re tests then fail when retrieving the build result as the server doesn't respond with a status