these 2 derivations will be built:
  /nix/store/gr0lch9qm6rk172ayp8b26kjkbza1ag7-iets-release-0.2.0.drv
  /nix/store/8yg300g10j607pjsd9wl4h197hhvx9wf-inputDerivation-effect-release.drv
building '/nix/store/gr0lch9qm6rk172ayp8b26kjkbza1ag7-iets-release-0.2.0.drv'...
building '/nix/store/8yg300g10j607pjsd9wl4h197hhvx9wf-inputDerivation-effect-release.drv'...