this derivation will be built:
  /nix/store/n4y1bjd8lr5hjqhnlyhkjq4zhk71dshj-bcachefs-module-7.0.0-38-generic-64k.drv
building '/nix/store/n4y1bjd8lr5hjqhnlyhkjq4zhk71dshj-bcachefs-module-7.0.0-38-generic-64k.drv'...