this derivation will be built:
  /nix/store/qsln3hajx8f5vszl5q4vq65azfhhn9cq-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/qsln3hajx8f5vszl5q4vq65azfhhn9cq-bcachefs-module-7.0.0-30-generic.drv'...