these 5 derivations will be built:
  /nix/store/zivli31xr49hjx458cbci8fkxsilbyad-clan-runtime.drv
  /nix/store/2xdpl7mx3sckpc14gnx8ddp6m0k77apl-clan-cli-source.drv
  /nix/store/46r276z4q4lwrhdsrbhv0im0wfzqklqv-closure-info.drv
  /nix/store/kny2jmxi5ykb93va5fxrqwrg3qdy0bag-clan-cli.drv
  /nix/store/nq34is795xlqp0dnx445ry537fdky10y-check-vars.drv