this derivation will be built:
  /nix/store/iw29chscafz880bll86gxjd6nzclzz40-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/iw29chscafz880bll86gxjd6nzclzz40-bcachefs-module-7.0.0-29-generic.drv'...