fix gitlab-ci missing script

11 jobs for !21 with improve-gitlab-ci in 73 minutes and 38 seconds (queued for 4 minutes and 59 seconds)
detached
Status Job ID Name Coverage
  Build
failed #601
buster-slim

00:00:35

failed #599
jessie-slim

01:13:38

failed #600
stretch-slim

00:00:33

 
  Check
skipped #602
compile
skipped #603
lint
 
  Unit Test
skipped #606
buster-ut
skipped #604
jessie-ut
skipped #605
stretch-ut
 
  Lets Encrypt Staging
skipped #609
buster-le-staging
skipped #607
jessie-le-staging
skipped #608
stretch-le-staging
 
Name Stage Failure
failed
jessie-slim Build There has been a timeout failure or the job got stuck. Check your timeout limits or try again
Running with gitlab-runner 13.0.0 (c127439c)
on alakazam hzUEQoGC
Preparing the "docker" executor
Using Docker executor with image docker.io/library/docker ...
failed
buster-slim Build There has been a runner system failure, please try again
ERROR: Preparation failed: Error: No such image: docker.io/library/docker (docker.go:218:0s)
Will be retried in 3s ...
Using Docker executor with image docker.io/library/docker ...
ERROR: Preparation failed: Error: No such image: docker.io/library/docker (docker.go:218:0s)
Will be retried in 3s ...
Using Docker executor with image docker.io/library/docker ...
ERROR: Preparation failed: Error: No such image: docker.io/library/docker (docker.go:218:0s)
Will be retried in 3s ...
ERROR: Job failed (system failure): Error: No such image: docker.io/library/docker (docker.go:218:0s)
failed
stretch-slim Build There has been a runner system failure, please try again
ERROR: Preparation failed: Error: No such image: docker.io/library/docker (docker.go:218:0s)
Will be retried in 3s ...
Using Docker executor with image docker.io/library/docker ...
ERROR: Preparation failed: Error: No such image: docker.io/library/docker (docker.go:218:0s)
Will be retried in 3s ...
Using Docker executor with image docker.io/library/docker ...
ERROR: Preparation failed: Error: No such image: docker.io/library/docker (docker.go:218:0s)
Will be retried in 3s ...
ERROR: Job failed (system failure): Error: No such image: docker.io/library/docker (docker.go:218:0s)