this derivation will be built:
  /nix/store/3gckx52fa0ys81s8cfjqw4wpi00rz6cd-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/3gckx52fa0ys81s8cfjqw4wpi00rz6cd-bcachefs-module-7.0.0-31-generic.drv'...