bld1: building b2v9x0bfvg27hg991i8p6b85rs33dppn-DockerSandboxes-linux-amd64.tar.gz.drv
structuredAttrs is enabled

trying https://github.com/docker/sbx-releases/releases/download/v0.53.0/DockerSandboxes-linux-amd64.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
 46 128.3M  46 60.00M   0      0 43.26M      0   00:02   00:01   00:01 55.51M
 98 128.3M  98 126.9M   0      0 53.16M      0   00:02   00:02         60.98M
100 128.3M 100 128.3M   0      0 53.33M      0   00:02   00:02         60.98M
100 128.3M 100 128.3M   0      0 53.33M      0   00:02   00:02         60.98M
100 128.3M 100 128.3M   0      0 53.33M      0   00:02   00:02         60.98M