this derivation will be built:
  /nix/store/x4r68c3sx7f308qvw719jbwyb1y0pbw3-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/x4r68c3sx7f308qvw719jbwyb1y0pbw3-bcachefs-module-7.0.0-31-generic.drv'...