this derivation will be built:
  /nix/store/0k39rrmabdc41w3ygbsq8hm69gq4hwhy-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/0k39rrmabdc41w3ygbsq8hm69gq4hwhy-bcachefs-module-7.0.0-29-generic.drv'...