structuredAttrs is enabled

trying https://github.com/Wei-Shaw/sub2api/archive/refs/tags/v0.2.8.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
  0      0   0      0   0      0      0      0                              0
  0      0   0      0   0      0      0      0                              0

  0      0   0      0   0      0      0      0                              0
100  7.00M   0  7.00M   0      0  5.76M      0           00:01          6.98M
100 11.99M   0 11.99M   0      0  6.47M      0           00:01          6.98M
100 11.99M   0 11.99M   0      0  6.47M      0           00:01          6.98M
100 11.99M   0 11.99M   0      0  6.47M      0           00:01          6.98M
unpacking source archive /nix/var/nix/builds/nix-95431-2424618817/download.tar.gz