Skipping object checkout, Git LFS is not installed.
Skipping Git submodules setup Executing "step_script" stage of the job script $ export LC_ALL=C.UTF-8 $ nix-env -iA nixpkgs.stack error: attribute 'nixpkgs' in selection path 'nixpkgs.stack' not found Cleaning up file based variables ERROR: Job failed: exit status 1
