tribuchet: building on mac02
structuredAttrs is enabled

trying https://download.calibre-ebook.com/9.17.0/calibre-9.17.0.dmg
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed

  0      0   0      0   0      0      0      0                              0
 15 341.2M  15 52.45M   0      0 49.37M      0   00:06   00:01   00:05 52.44M
 34 341.2M  34 117.2M   0      0 56.85M      0   00:06   00:02   00:04 58.61M
 54 341.2M  54 187.3M   0      0 61.16M      0   00:05   00:03   00:02 62.43M
 76 341.2M  76 261.0M   0      0 64.25M      0   00:05   00:04   00:01 65.25M
 98 341.2M  98 336.7M   0      0 66.52M      0   00:05   00:05         67.35M
100 341.2M 100 341.2M   0      0 66.65M      0   00:05   00:05         67.35M
100 341.2M 100 341.2M   0      0 66.65M      0   00:05   00:05         67.35M
100 341.2M 100 341.2M   0      0 66.65M      0   00:05   00:05         67.35M