these 5 derivations will be built:
  /nix/store/7w076z20l1vgg7j1zwd38zqiyir72m3w-clan-runtime.drv
  /nix/store/przqqypsjasmhsc0f7r5sji9wdwm8cz5-clan-cli-source.drv
  /nix/store/20dc6lab1415pzhiwankk1ypql3dkavw-clan-cli.drv
  /nix/store/lrzmbpcp35pcrzjns1l83dysrvc9v6fs-closure-info.drv
  /nix/store/i18f0g6l48ahpvikaqz106qay6rypb8a-check-vars.drv