this derivation will be built:
  /nix/store/bb98v420l5lx1i3i7y6380yvfy4sh58w-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/bb98v420l5lx1i3i7y6380yvfy4sh58w-bcachefs-module-7.0.0-29-generic.drv'...