these 2 derivations will be built:
  /nix/store/wrj42ii8wh58n64js2dsw1ylvpqnknsz-closure-info.drv
  /nix/store/3snzwjda585ryfnfz4zs3c2dc794gcb1-check-vars.drv
this path will be fetched (0.0 KiB download, 3.9 MiB unpacked):
  /nix/store/8nbxisgcsya67w86k9b34q9b0ccp77dd-clan-cli
error: path '/nix/store/fr9k5h5771jg82gbka4kxnpsar0wi31c-check-vars' is not valid
error: Cannot build '/nix/store/3snzwjda585ryfnfz4zs3c2dc794gcb1-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/fr9k5h5771jg82gbka4kxnpsar0wi31c-check-vars