structuredAttrs is enabled

trying https://github.com/ArtifexSoftware/thirdparty-freeglut/archive/d5e2256d571b3ef66fb60716c99e35e9d3e570a2.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
100 413.3k   0 413.3k   0      0 644.2k      0                              0
unpacking source archive /build/download.tar.gz