Checking cache for default-2...
No URL provided, cache will not be downloaded from shared cache server. Instead a local version of cache will be extracted. 
Successfully extracted cache
section_end:1715326938:restore_cache
section_start:1715326938:step_script
Executing "step_script" stage of the job script
Using docker image sha256:9d005781c00d336ea8057577f22ddbd2f408d1b021fd02286d0cbe93356d1055 for nixos/nix:2.22.0 with digest nixos/nix@sha256:6913f4e5e2f8c10d6f3bbbe426b821347881d160476e7d58a1e4c7c7c3a851e2 ...
$ nix copy --from 'file:///tmp/nix-cache'
error: experimental Nix feature 'nix-command' is disabled; add '--extra-experimental-features nix-command' to enable it
section_end:1715326939:step_script
section_start:1715326939:cleanup_file_variables
Cleaning up file based variables
section_end:1715326941:cleanup_file_variables
ERROR: Job failed: exit code 1