this derivation will be built:
  /nix/store/gn91550k3hli937qidd7xq4kqdrgmxnb-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/gn91550k3hli937qidd7xq4kqdrgmxnb-bcachefs-module-7.0.0-29-generic.drv'...