Hi,
This answer will be a hit or miss…
... fetching image: resolve auth for ref gcr.io/paketo-buildpacks/go: error getting credentials - err: exec: "docker-credential-gcloud": executable file not found in $PATH, out: ``
You may have to install docker-credential-gcloud on your machine (and make sure it adds itself in the $PATH).
Ref: Last few comments from this thread.