this derivation will be built:
  /nix/store/13bm659mgfx9f7cqaga75zfhx9f8q8gi-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/13bm659mgfx9f7cqaga75zfhx9f8q8gi-bcachefs-module-7.0.0-39-generic.drv'...