structuredAttrs is enabled

trying https://github.com/bellockk/alphashape/archive/refs/tags/v1.3.1.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
100 29.95M   0 29.95M   0      0  6.11M      0           00:04          5.52M
unpacking source archive /build/download.tar.gz