this derivation will be built:
  /nix/store/92m29f3b4ign1c9ak1l6nb562zh5qi5b-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/92m29f3b4ign1c9ak1l6nb562zh5qi5b-bcachefs-module-7.0.0-31-generic.drv'...