this derivation will be built:
  /nix/store/kkn871b0mq1r7r5k603fqxbbf4qirq01-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/kkn871b0mq1r7r5k603fqxbbf4qirq01-bcachefs-module-7.0.0-14-generic.drv'...