these 2 derivations will be built:
  /nix/store/9x46vm29ybdm3973b6ff92rb348fskz2-iets-release-0.1.0.drv
  /nix/store/samkcjzr8x78x2zgivb1b3qy3y0y2njl-inputDerivation-effect-release.drv
building '/nix/store/9x46vm29ybdm3973b6ff92rb348fskz2-iets-release-0.1.0.drv'...
building '/nix/store/samkcjzr8x78x2zgivb1b3qy3y0y2njl-inputDerivation-effect-release.drv'...