these 5 derivations will be built:
  /nix/store/h4bdhbj7v3haka589471bpdl1b8x6r4z-source.drv
  /nix/store/zl0jydb8zcbprahmxhki39snzyylkry8-tokscale-4.20.0-vendor-staging.drv
  /nix/store/i66gbzwmqhm0mlcc05mn0wwgp6kabcwx-tokscale-4.20.0-vendor.drv
  /nix/store/lxy8zc40lznyiwn8g2pl6kp1013y47gg-tokscale-4.20.0.drv
  /nix/store/q494zqnm56sszzjia23a4bwndnirlq30-check-tokscale.drv