these 5 derivations will be built:
  /nix/store/ikzg36gab4fvxcv50yxnpgij2d9fbrfc-clan-runtime.drv
  /nix/store/acn150535dswd34vab5nw24fcp2y0jx0-clan-cli-source.drv
  /nix/store/2l4y8snd2xiipywp7w33is4pz8nh2839-clan-cli.drv
  /nix/store/vdb401x9jj76vzd705gi5hvr3mc1p4j7-closure-info.drv
  /nix/store/jzqcz04is1ssqbv0zrswb07d1mj03kld-check-vars.drv