this derivation will be built:
  /nix/store/np0nzmqmqwj0agkvvg2jns1lqp4b7rn9-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/np0nzmqmqwj0agkvvg2jns1lqp4b7rn9-bcachefs-module-7.0.0-31-generic.drv'...