this derivation will be built:
  /nix/store/dybyfinfhz8p2qx2wigrn81pzyl0z2k5-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/dybyfinfhz8p2qx2wigrn81pzyl0z2k5-bcachefs-module-7.0.0-31-generic.drv'...