this derivation will be built:
  /nix/store/6saj34dimqz400fvqcr1qsc8jpz46c8j-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/6saj34dimqz400fvqcr1qsc8jpz46c8j-bcachefs-module-7.0.0-30-generic.drv'...