this derivation will be built:
  /nix/store/z71saf61ha45by269hmlfmlb4fpqc00x-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/z71saf61ha45by269hmlfmlb4fpqc00x-bcachefs-module-7.0.0-29-generic.drv'...