these 4 derivations will be built:
  /nix/store/4vqa3yahr3mzwm87v28nfhpn9k05akq2-clan-cli-source.drv
  /nix/store/apgs2afcrp6w1i2bs79hfjbk815msxfi-clan-cli.drv
  /nix/store/baqxfxpll76vy4bab04nkj2yy2p307bp-closure-info.drv
  /nix/store/3913b7w1rm4gw49wjlay1rqnf82swjl7-check-vars.drv