this derivation will be built:
  /nix/store/mwi5wp8wq749anylx9dj4qf8i7i2wdzl-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/mwi5wp8wq749anylx9dj4qf8i7i2wdzl-bcachefs-module-7.0.0-31-generic.drv'...