these 4 derivations will be built:
  /nix/store/091bj61y0ndwbm5x0sa1qk1kwqw09xpd-clan-runtime.drv
  /nix/store/bslcb489hnw2fxfhvigd5lin0ic8cg5g-clan-cli-source.drv
  /nix/store/avnknb84kgcmjwdv6qjjibb2wzrz3qzd-clan-cli.drv
  /nix/store/hr99g52lzzdbm7ns4hvazvklbdzfh9kq-nix-shell.drv