structuredAttrs is enabled

trying https://github.com/mistralai/mistral-vibe/archive/refs/tags/v2.25.7.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  4.00M   0  4.00M   0      0  3.33M      0           00:01          3.99M
100  7.56M   0  7.56M   0      0  4.28M      0           00:01          3.99M
100  7.56M   0  7.56M   0      0  4.28M      0           00:01          3.99M
100  7.56M   0  7.56M   0      0  4.28M      0           00:01          3.99M
unpacking source archive /nix/var/nix/builds/nix-80708-1793745942/download.tar.gz