this derivation will be built:
  /nix/store/p6z6hxvh5bflbkc0gzn5zc5811265sbp-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/p6z6hxvh5bflbkc0gzn5zc5811265sbp-bcachefs-module-7.0.0-39-generic.drv'...