this derivation will be built:
  /nix/store/jxrlk2rx7v1h6c3247myhfafi4kd524i-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/jxrlk2rx7v1h6c3247myhfafi4kd524i-bcachefs-module-7.0.0-30-generic.drv'...