these 2 derivations will be built:
  /nix/store/c85wz4114wy3iz3aqfah5lb80vbsxq12-iets-0.1.0.drv
  /nix/store/fx6pjbpvcg9g3yl7saf9ds58n0vz1hg2-iets-linttest.drv