these 2 derivations will be built:
  /nix/store/0vgifwwjyipr7jvgfm3xcxbv0sk4k6p9-iets-deps-riscv64-unknown-linux-gnu-0.1.0.drv
  /nix/store/d5kppya3r5m05xqc183lg59achqzg8rq-iets-riscv64-unknown-linux-gnu-0.1.0.drv