this derivation will be built:
  /nix/store/g664850qpc2hqh9m2czmw38j7fxip9pg-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/g664850qpc2hqh9m2czmw38j7fxip9pg-bcachefs-module-7.0.0-39-generic.drv'...