these 4 derivations will be built:
  /nix/store/c0dxzwsq33298pcf868d0gmdz6x45k68-clan-cli-source.drv
  /nix/store/d1bx5bv7kd2a404ghdm01969ma3byyni-clan-cli.drv
  /nix/store/crwp98fldczbzjsy7lcd6zh704n6gklm-tofu.drv
  /nix/store/6wsjy5bbfzszz5wwlzfgsygpfr3xglj3-dns.drv