trying https://static.crates.io/crates/zcheapstr/1.1.0/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  13049 100  13049   0      0 406.9k      0                              0
100  13049 100  13049   0      0 406.4k      0                              0
100  13049 100  13049   0      0 406.0k      0                              0