$ echo "$CI_JOB_TOKEN"
xxxxxxxxxxxxxxxxxxxx
$ echo "$CI_REGISTRY"

$ docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
WARNING! Using --password via the CLI is insecure. Use --password-stdin.
Get https://registry-1.docker.io/v2/: unauthorized: incorrect username or password
section_end:1620180648:step_script
section_start:1620180648:cleanup_file_variables
Cleaning up file based variables
section_end:1620180649:cleanup_file_variables
ERROR: Job failed: exit code 1