these 5 derivations will be built:
  /nix/store/7v0l2kaq6hjxb91fb72jhsmyhsdsxsy2-source.drv
  /nix/store/q9ki22aimgipz7hhq84aaaz5lxxxns38-ctx-2.3.0-vendor-staging.drv
  /nix/store/k01i7y2zd3czi180bhv3jj78pj4l81cd-ctx-2.3.0-vendor.drv
  /nix/store/dfl2mj1gq50lb1f72q7dv3m1y5wdxh2x-ctx-2.3.0.drv
  /nix/store/xi9l9zjawnl2naid4jnl7k9wikcpjlbk-check-ctx.drv