these 2 derivations will be built:
  /nix/store/66gjxq20dbix7hrhnf17awy65i4gr4cl-nix-bindings-flake-sys-deps-0.2.1.drv
  /nix/store/mkmp40d7r7cfmg9kyxmcs080a1qly6b6-nix-bindings-flake-sys-0.2.1.drv