this derivation will be built:
  /nix/store/q4mj7jnx01k9l7bq89czx8jnzacjk5zp-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/q4mj7jnx01k9l7bq89czx8jnzacjk5zp-bcachefs-module-7.0.0-29-generic.drv'...