these 2 derivations will be built:
  /nix/store/59h1ykawk5gb3p1i8g3kspi7mp8d1hm7-iets-release-0.2.0.drv
  /nix/store/7cb2wbxpvvry5hkj880h6db6kg8i7v8c-inputDerivation-effect-release.drv
building '/nix/store/59h1ykawk5gb3p1i8g3kspi7mp8d1hm7-iets-release-0.2.0.drv'...
building '/nix/store/7cb2wbxpvvry5hkj880h6db6kg8i7v8c-inputDerivation-effect-release.drv'...