this derivation will be built:
  /nix/store/c6b2ppwgb50a8vnl4fg650z6vqy9wrjx-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/c6b2ppwgb50a8vnl4fg650z6vqy9wrjx-bcachefs-module-7.0.0-29-generic.drv'...