this derivation will be built:
  /nix/store/fmgmna2405s5fk727igzknfz24n1id47-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/fmgmna2405s5fk727igzknfz24n1id47-bcachefs-module-7.0.0-34-generic.drv'...