git config --global user.email "you@example.com"
  git config --global user.name "Your Name"

to set your account's default identity.
Omit --global to set the identity only in this repository.

fatal: unable to auto-detect email address (got 'gitlab-runner@ci01.(none)')
section_end:1596758785:build_script
section_start:1596758785:after_script
section_end:1596758786:after_script
section_start:1596758786:upload_artifacts_on_failure
section_end:1596758786:upload_artifacts_on_failure
ERROR: Job failed: exit status 1