these 6 derivations will be built:
  /nix/store/m3n09jf3535pk0p2snk1zqhbhfj2309w-clan-cli-source.drv
  /nix/store/rr74wxhzlrfclk5vbpbnqm1qc80amsci-clan-cli.drv
  /nix/store/3pwxssc8qa8hhpi4b98j9xyf5lkyp7vi-render-options.drv
  /nix/store/b0svlhz0kky10pwmywrlyp95jpjijqfb-rendered.drv
  /nix/store/qvb1hgvidff1gjdayrpj713jvrj71q1v-generated-docs.drv
  /nix/store/5mq4n3lp0hcbrsk8n1413qxmnybij4wd-nix-shell.drv