structuredAttrs is enabled trying https://static.crates.io/crates/curve25519-dalek/5.0.0-rc.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 0 100 338.2k 100 338.2k 0 0 6.06M 0 0 100 338.2k 100 338.2k 0 0 6.06M 0 0 100 338.2k 100 338.2k 0 0 6.05M 0 0