these 2 derivations will be built:
  /nix/store/6l5l0n2m330a8xlb3w2a0pp9iplmdgs8-iets-release-0.2.0.drv
  /nix/store/nali9wvb5idlgfbiccbv9yml11zgjg5r-inputDerivation-effect-release.drv
building '/nix/store/6l5l0n2m330a8xlb3w2a0pp9iplmdgs8-iets-release-0.2.0.drv'...
building '/nix/store/nali9wvb5idlgfbiccbv9yml11zgjg5r-inputDerivation-effect-release.drv'...