these 3 derivations will be built:
  /nix/store/cf3fyli8ml2xqlfhrjvwjljnncy16jgj-clan-cli-source.drv
  /nix/store/nn5y933krdznnyppyqi690w55ndgbnrz-clan-cli.drv
  /nix/store/7rhpidly2w2q1f5xx4w2vnzqrdda4cdn-nix-shell.drv