structuredAttrs is enabled

trying https://crates.io/api/v1/crates/darling_core/0.21.3/download
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0   0     0   0     0     0     0  --:--:-- --:--:-- --:--:--     0
100 74471 100 74471   0     0 682450     0  --:--:-- --:--:-- --:--:-- 682450