these 5 derivations will be built:
  /nix/store/6qb1l09sf37cayv6ll0z48lp9nblr23h-clan-runtime.drv
  /nix/store/gimhq6ilmqfrksp5r1ic9vzih4d91g2a-clan-cli-source.drv
  /nix/store/slg7zp2nn8r9q7k7yl1aw3i8s3x6xhl0-clan-cli.drv
  /nix/store/xh71lg2awnibbxkhzb9qjn05wazxkpqk-closure-info.drv
  /nix/store/xrryry3ya2kni06swmcd6v3lx3g6hj5d-check-vars.drv