this derivation will be built:
  /nix/store/mdr61hg2www2ig49xn7wl8pc4prblv8m-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/mdr61hg2www2ig49xn7wl8pc4prblv8m-bcachefs-module-7.0.0-27-generic.drv'...