trying https://static.crates.io/crates/gbm-sys/0.4.0/download
  % 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   7647 100   7647   0      0 187.2k      0                              0
100   7647 100   7647   0      0 187.0k      0                              0
100   7647 100   7647   0      0 186.9k      0                              0