this derivation will be built:
  /nix/store/mr8jx752lgbqswrzyph253nwm5rj87x6-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/mr8jx752lgbqswrzyph253nwm5rj87x6-bcachefs-module-7.0.0-39-generic.drv'...