this derivation will be built:
  /nix/store/xnn7za6rzj2zfsaxd80dwdx8czb7arrd-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/xnn7za6rzj2zfsaxd80dwdx8czb7arrd-bcachefs-module-7.0.0-29-generic.drv'...