mac02: building pg535nmpm55hymn6qn21c0105b4asjb1-source.drv
structuredAttrs is enabled

trying https://github.com/yvgude/lean-ctx/archive/refs/tags/v3.11.0.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  9.75M   0  9.75M   0      0  7.67M      0           00:01          9.65M
100 18.00M   0 18.00M   0      0  7.88M      0           00:02          8.89M
100 19.09M   0 19.09M   0      0  8.00M      0           00:02          8.89M
100 19.09M   0 19.09M   0      0  8.00M      0           00:02          8.89M
100 19.09M   0 19.09M   0      0  8.00M      0           00:02          8.89M
unpacking source archive /nix/var/nix/builds/nix-15859-3079296153/download.tar.gz