these 2 derivations will be built:
  /nix/store/a49kqa8r11nah81l8zwwb6hdc7xr214v-iets-release-0.1.0.drv
  /nix/store/789hcbid5ds4pf2999r8bj2dn33vjyg9-inputDerivation-effect-release.drv
building '/nix/store/a49kqa8r11nah81l8zwwb6hdc7xr214v-iets-release-0.1.0.drv'...
building '/nix/store/789hcbid5ds4pf2999r8bj2dn33vjyg9-inputDerivation-effect-release.drv'...