these 3 derivations will be built:
  /nix/store/rslzlkg7mr4lyrvk675b50cjg5y9wzi3-clan-cli-source.drv
  /nix/store/h2lmgqixnkzm743h28cyhycv8r2n9q7z-clan-cli.drv
  /nix/store/2w5na9a9ja8yklvcxc26xcgv7493z2pc-nix-shell.drv