mac02: building 2xgylmv93i7zsx36n7bvhfykczblw3gi-muse-1.4.15-R8339.1-aarch64-macos.drv
structuredAttrs is enabled

trying https://lookaside.facebook.com/lookaside/muse/download/?channel=muse&version=1.4.15-R8339.1&file=muse-aarch64-macos
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed

  0      0   0      0   0      0      0      0                              0
 13 449.9M  13 59.46M   0      0 58.16M      0   00:07   00:01   00:06 59.46M
 31 449.9M  31 141.7M   0      0 70.07M      0   00:06   00:02   00:04 70.86M
 47 449.9M  47 214.2M   0      0 70.86M      0   00:06   00:03   00:03 71.39M
 65 449.9M  65 295.0M   0      0 73.33M      0   00:06   00:04   00:02 73.74M
 77 449.9M  77 350.9M   0      0 69.86M      0   00:06   00:05   00:01 70.17M
 86 449.9M  86 389.1M   0      0 64.60M      0   00:06   00:06         65.91M
 95 449.9M  95 431.2M   0      0 61.39M      0   00:07   00:07         57.88M
100 449.9M 100 449.9M   0      0 61.31M      0   00:07   00:07         57.88M
100 449.9M 100 449.9M   0      0 61.31M      0   00:07   00:07         57.88M
100 449.9M 100 449.9M   0      0 61.31M      0   00:07   00:07         57.88M