structuredAttrs is enabled

trying https://github.com/objectbox/objectbox-c/releases/download/v5.3.1/objectbox-linux-x64.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
 73 960.3k  73 701.9k   0      0 507.5k      0   00:01   00:01         701.3k
100 960.3k 100 960.3k   0      0 623.9k      0   00:01   00:01         701.3k
100 960.3k 100 960.3k   0      0 623.8k      0   00:01   00:01         701.3k
100 960.3k 100 960.3k   0      0 623.8k      0   00:01   00:01         701.3k
unpacking source archive /build/objectbox-linux-x64.tar.gz