this derivation will be built:
  /nix/store/ix1p414bk9k758abkjww9mxvkrwcf7fb-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/ix1p414bk9k758abkjww9mxvkrwcf7fb-bcachefs-module-7.0.0-29-generic.drv'...