structuredAttrs is enabled

trying https://static.crates.io/crates/cargo-c/0.10.22+cargo-0.96.0/download
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100  63627 100  63627   0      0  1.08M      0                              0
unpacking source archive /build/download.tar.gz