this derivation will be built:
  /nix/store/7qqkq458qan3hvm4dh6jmlxdprr8bann-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/7qqkq458qan3hvm4dh6jmlxdprr8bann-bcachefs-module-7.0.0-39-generic.drv'...