mac02: building x701fvkhia5b9biwa70m35qa92a8f1lc-source.drv
structuredAttrs is enabled

trying https://github.com/yvgude/lean-ctx/archive/refs/tags/v3.12.3.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  7.04M   0  7.04M   0      0  5.54M      0           00:01          6.93M
100 14.57M   0 14.57M   0      0  6.41M      0           00:02          7.22M
100 15.84M   0 15.84M   0      0  6.58M      0           00:02          7.22M
100 15.84M   0 15.84M   0      0  6.58M      0           00:02          7.22M
100 15.84M   0 15.84M   0      0  6.58M      0           00:02          7.22M
unpacking source archive /nix/var/nix/builds/nix-58330-3384694361/download.tar.gz