structuredAttrs is enabled

trying https://github.com/agavra/tuicr/archive/refs/tags/v0.21.0.tar.gz
  % 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  1.00M 100  1.00M   0      0  2.44M      0                              0
unpacking source archive /nix/var/nix/builds/nix-71616-3295133558/download.tar.gz