this derivation will be built:
  /nix/store/p7xh9zxywi5nqmrvfl85bn554azch7y1-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/p7xh9zxywi5nqmrvfl85bn554azch7y1-bcachefs-module-7.0.0-29-generic.drv'...