this derivation will be built:
  /nix/store/n7k18nd7b9zrfl859p7sdmas3miyq4as-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/n7k18nd7b9zrfl859p7sdmas3miyq4as-bcachefs-module-7.0.0-28-generic.drv'...