Can't run demo from readme - TypeError: Error parsing args at position 0: data did not match any variant of untagged enum ForeignSymbol return Deno.dlopen(file, symbols);

[blipk]

Tried to run the demo from the readme either locally or from remote but run straight into this error:

error: Uncaught (in promise) TypeError: Error parsing args at position 0: data did not match any variant of untagged enum ForeignSymbol
  return Deno.dlopen(file, symbols);
              ^
    at new DynamicLibrary (deno:ext/ffi/00_ffi.js:286:39)
    at Object.dlopen (deno:ext/ffi/00_ffi.js:390:12)
    at prepare (https://deno.land/x/[email protected]/plug.ts:117:15)
    at async https://deno.land/x/[email protected]/src/ffi.ts:102:20