this derivation will be built:
  /nix/store/klgh2ykv0yl1bgkrmyh93x9248bk20d3-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/klgh2ykv0yl1bgkrmyh93x9248bk20d3-bcachefs-module-7.0.0-28-generic.drv'...