this derivation will be built:
  /nix/store/ff3q6ln06vklqfw2hwpis4l5cj0g4zl2-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/ff3q6ln06vklqfw2hwpis4l5cj0g4zl2-bcachefs-module-7.0.0-31-generic.drv'...