this derivation will be built:
  /nix/store/ffay4xi3lmxl2jwsm170pb79npgl5w9i-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/ffay4xi3lmxl2jwsm170pb79npgl5w9i-bcachefs-module-7.0.0-34-generic.drv'...