these 2 derivations will be built:
  /nix/store/n0r0lcwzcn65airrivrpy6bmb2r1i9s2-iets-release-0.1.0.drv
  /nix/store/b8xandl2yigpn0j3kp9bqqdyfwf83y6y-inputDerivation-effect-release.drv
building '/nix/store/n0r0lcwzcn65airrivrpy6bmb2r1i9s2-iets-release-0.1.0.drv'...
building '/nix/store/b8xandl2yigpn0j3kp9bqqdyfwf83y6y-inputDerivation-effect-release.drv'...