these 4 derivations will be built:
  /nix/store/2732rc51pxbjawhmmakh3q3zw3s8rxvj-closure-info.drv
  /nix/store/wwa0mjnhfv9i25chxiq864f3pyz3z1p6-clan-cli-source.drv
  /nix/store/rp636fnxhri1kapzsal5vsfbhc1crdg5-clan-cli.drv
  /nix/store/xghjxjhwhaya218cwxbw59bhhxaln4q5-check-vars.drv