these 3 derivations will be built:
  /nix/store/cah1253y2ivddmm9xa62wmf5lqwzjz7n-ctx-0.25.0-vendor-staging.drv
  /nix/store/3xmria66lncviwsj2ngwh20zis64fzwm-ctx-0.25.0-vendor.drv
  /nix/store/gqkq2yjmpq1vf9cbprrqhrw32grnsllf-ctx-0.25.0.drv