these 4 derivations will be built:
  /nix/store/sayk6r0rqp12180c2ncz0raid3c83gvz-clan-cli-source.drv
  /nix/store/43fm6svxyphkdlykykhxnqp9hpgabw9a-clan-cli.drv
  /nix/store/xgfxfnydppgjqsh4c98cigvwx3x3g1wk-closure-info.drv
  /nix/store/dm21j0wx92ph0cw0158la91wsf61cfrq-check-vars.drv