this derivation will be built:
  /nix/store/7agnim2gad4zbilb5kd6w78a8aalx3ap-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/7agnim2gad4zbilb5kd6w78a8aalx3ap-bcachefs-module-7.0.0-28-generic.drv'...