these 2 derivations will be built:
  /nix/store/rrxdj2dkra1mdj0mhxaajzbyqx1isv07-iets-0.1.0.drv
  /nix/store/83qx2ksc6wgzqgp1rsv38q7xcr4y7bn9-iets-linttest.drv