trying https://static.crates.io/crates/instability/0.3.10/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  14509 100  14509   0      0 169.9k      0                              0
100  14509 100  14509   0      0 169.8k      0                              0
100  14509 100  14509   0      0 169.7k      0                              0