these 3 derivations will be built:
  /nix/store/d5r4yrsygi9rcdxpygpfh53a95zavcdr-ctx-1.5.0-vendor.drv
  /nix/store/xak1dsqj00i5ghpv9m0rcykmnvp76wwv-ctx-1.5.0.drv
  /nix/store/87x7l51fmkh4gsy26ydc8rb6wjl2b12j-check-ctx.drv