structuredAttrs is enabled

trying https://github.com/ctxrs/ctx/archive/refs/tags/v2.2.7.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  5.00M   0  5.00M   0      0  3.99M      0           00:01          4.95M
100 10.62M   0 10.62M   0      0  5.89M      0           00:01          4.95M
100 10.62M   0 10.62M   0      0  5.89M      0           00:01          4.95M
100 10.62M   0 10.62M   0      0  5.89M      0           00:01          4.95M
unpacking source archive /nix/var/nix/builds/nix-19574-2626266626/download.tar.gz