these 3 derivations will be built:
  /nix/store/gxh5f5s1by6s679pzk1y3dqqf7y8xjp2-clan-cli-source.drv
  /nix/store/ski5hi733wxx3ajkp8p7mqbra6k6ss5m-clan-cli.drv
  /nix/store/wj3g4habq0fcx6q0svm8dpzb3bkfjdgv-nix-shell.drv