this derivation will be built:
  /nix/store/kdwddx43ajjj5djn94y2nsgjjyqi4dqp-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/kdwddx43ajjj5djn94y2nsgjjyqi4dqp-bcachefs-module-7.0.0-29-generic.drv'...