this derivation will be built:
  /nix/store/pymc6ra5zi7bmy94xkf323va3429p5hb-bcachefs-module-7.0.0-26-generic.drv
building '/nix/store/pymc6ra5zi7bmy94xkf323va3429p5hb-bcachefs-module-7.0.0-26-generic.drv'...