these 4 derivations will be built:
  /nix/store/yv0q8yxpxj7jga4l4hrqga80p7clldxz-Cargo.toml.drv
  /nix/store/b5rddxwip5m8hhf0ibjs3s73lvggjv44-source.drv
  /nix/store/9ng5z1wwc2w8wlj9h052nhvlcvh5ap9a-iets-deps-0.2.0.drv
  /nix/store/hwf9a8c72az7zmzzv8djm0pm6dzrq9hp-iets-examples-0.2.0.drv
warning: ignoring the client-specified setting 'store', because it is a restricted setting and you are not a trusted user