these 3 derivations will be built:
  /nix/store/c0dxzwsq33298pcf868d0gmdz6x45k68-clan-cli-source.drv
  /nix/store/d1bx5bv7kd2a404ghdm01969ma3byyni-clan-cli.drv
  /nix/store/81kg3xw26dx58ykfrip573571c8js70h-nix-shell.drv