structuredAttrs is enabled trying https://static.crates.io/crates/pkcs1/0.8.0-rc.5/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 38420 100 38420 0 0 37094 0 00:01 00:01 0 100 38420 100 38420 0 0 37091 0 00:01 00:01 0 100 38420 100 38420 0 0 37088 0 00:01 00:01 0