this derivation will be built:
  /nix/store/hnry9lc82124k2vbj639yjxlxvlqnc7x-bcachefs-module-7.0.0-31-generic-64k.drv
building '/nix/store/hnry9lc82124k2vbj639yjxlxvlqnc7x-bcachefs-module-7.0.0-31-generic-64k.drv'...