this derivation will be built:
  /nix/store/pkkskk48k7s3p5fip3z9i1778cvg70vq-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/pkkskk48k7s3p5fip3z9i1778cvg70vq-bcachefs-module-7.0.0-29-generic.drv'...