this derivation will be built:
  /nix/store/509jrc8sf3xffsjgy2sp5i55jnl1317c-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/509jrc8sf3xffsjgy2sp5i55jnl1317c-bcachefs-module-7.0.0-39-generic.drv'...