this derivation will be built:
  /nix/store/8ss7q2ay92lbsx9v509wv8p3486ib9hp-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/8ss7q2ay92lbsx9v509wv8p3486ib9hp-bcachefs-module-7.0.0-39-generic.drv'...