this derivation will be built:
  /nix/store/l6gk2f8mq5dmmn8vjwgc7d9svrbbbzy0-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/l6gk2f8mq5dmmn8vjwgc7d9svrbbbzy0-bcachefs-module-7.0.0-39-generic.drv'...