these 5 derivations will be built:
  /nix/store/l00f46kqd286q7qf2ps0z17n5xjkw25b-clan-runtime.drv
  /nix/store/d5yf6z64bilxaa4yr3bpw0saljdy005b-clan-cli-source.drv
  /nix/store/33c75azmpb07z6dlp018z3bm0gslhd9m-clan-cli.drv
  /nix/store/m64n5phmrb7ws3yrgxz7i8x3fjam9wk0-closure-info.drv
  /nix/store/wsh483lcrqhywgyk1db6fdghg90ar12j-check-vars.drv