Any gitlab CI user here? why do I see this?

Fetching changes with git depth set to 50...
Reinitialized existing Git repository in /builds/foo/bar/.git/
From <https://foo.bar/quax.git>
 * [new ref]         refs/pipelines/359 -> refs/pipelines/359
Checking out 91eb5294 as release/202001...
Removing .gradle/
Removing app/build/
Removing chat/build/
Removing test-utils/build/

Their is a caching system ... did you have a look at this ? https://docs.gitlab.com/ee/ci/yaml/#cacheuntracked