this derivation will be built:
  /nix/store/izb3lw69wpl949nrkyqizz15ibkhqysq-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/izb3lw69wpl949nrkyqizz15ibkhqysq-bcachefs-module-7.0.0-34-generic.drv'...