this derivation will be built:
  /nix/store/h7nn09ayyfws6cxri02p9a4bc2ihdcwi-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/h7nn09ayyfws6cxri02p9a4bc2ihdcwi-bcachefs-module-7.0.0-29-generic.drv'...