these 3 derivations will be built:
  /nix/store/bsm7qbd3xddsplpbbgqvxvb4mws0rs0v-clan-cli-source.drv
  /nix/store/slissk9kv9vn7zk56zwwg6knh4q0fdg4-clan-cli.drv
  /nix/store/x18bqy2la6knvbsxrba0fr2i4wj0insv-nix-shell.drv