this derivation will be built:
  /nix/store/is024jmrwq2qg8s8p89b2wrq3xldb2sf-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/is024jmrwq2qg8s8p89b2wrq3xldb2sf-bcachefs-module-7.0.0-30-generic.drv'...