structuredAttrs is enabled

trying https://github.com/ctxrs/ctx/archive/refs/tags/v1.4.12.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  5.77M   0  5.77M   0      0  4.55M      0           00:01          5.63M
100  6.06M   0  6.06M   0      0  4.76M      0           00:01          5.63M
100  6.06M   0  6.06M   0      0  4.76M      0           00:01          5.63M
100  6.06M   0  6.06M   0      0  4.76M      0           00:01          5.63M
unpacking source archive /nix/var/nix/builds/nix-94373-3582996682/download.tar.gz