this derivation will be built:
  /nix/store/zyzpsvn8g3qydbikg02zyxh5mil1bfl8-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/zyzpsvn8g3qydbikg02zyxh5mil1bfl8-bcachefs-module-7.0.0-31-generic.drv'...