these 2 derivations will be built:
  /nix/store/4kcbp1k2j8mph3hmarg2lnnjcg4z1yy5-iets-0.1.0.drv
  /nix/store/pv0n6ls0h98hrlvl1c1d8p9asqpqqcka-iets-linttest.drv