structuredAttrs is enabled

trying https://github.com/agavra/tuicr/archive/refs/tags/v0.20.0.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
100 982.1k   0 982.1k   0      0  1.95M      0                              0
unpacking source archive /nix/var/nix/builds/nix-45729-3650993644/download.tar.gz