these 4 derivations will be built:
  /nix/store/6rvi3vddlzyr3dm9jp5xwy0kkq44j1qw-clan-runtime.drv
  /nix/store/2s3y76w9yk2af5h3aydg81w37iwy70wr-clan-cli-source.drv
  /nix/store/qvqzkxk5vqd0hagsf74p7w8nn4laavpl-clan-cli.drv
  /nix/store/v1gw46ychdc2kdnlzmbn8rwgvx6nriy0-nix-shell.drv