these 5 derivations will be built:
  /nix/store/051s4wk5qi9130qzy2ip8iayry0l7jf4-closure-info.drv
  /nix/store/bj00r7dbmprmplmaykw38b0dd42rwgzz-clan-runtime.drv
  /nix/store/8ypyp1ifvxll3g7i2rgyx2n4vbfx621h-clan-cli-source.drv
  /nix/store/jgqq78paapmd08sfxmcdac693y9kzwnj-clan-cli.drv
  /nix/store/pvy3hnl1590v2k6d7xffq3lvzzpwq40x-check-vars.drv