this derivation will be built:
  /nix/store/8ksr5avafdhq4c54crgw3l5mxzrmwxzj-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/8ksr5avafdhq4c54crgw3l5mxzrmwxzj-bcachefs-module-7.0.0-39-generic.drv'...