these 4 derivations will be built:
  /nix/store/4hg5fa4hq07sk68b68pdnxgzhllxaqn7-clan-runtime.drv
  /nix/store/bws4a6zzpbmckz97ciarm2mq910k7jcg-clan-cli-source.drv
  /nix/store/zrk7pf8da0n7z8wff4nmgvjag1nhswa1-clan-cli.drv
  /nix/store/rqhcnfdf53mp3kzp6irf6d0a9x73f85i-nix-shell.drv