this derivation will be built:
  /nix/store/mdbrkp6dq3par9qic06y1rv0945mrac8-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/mdbrkp6dq3par9qic06y1rv0945mrac8-bcachefs-module-7.0.0-31-generic.drv'...