this derivation will be built:
  /nix/store/km5sci4lmh62bi55v5r0h284jxdjdvn5-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/km5sci4lmh62bi55v5r0h284jxdjdvn5-bcachefs-module-7.0.0-34-generic.drv'...