this derivation will be built:
  /nix/store/y7167q9x30pysjsawkp8jm46gr06zk1h-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/y7167q9x30pysjsawkp8jm46gr06zk1h-bcachefs-module-7.0.0-39-generic.drv'...