warning: manually reimplementing `div_ceil`
   --> src/prove.rs:118:52
    |
118 |     let end_group = std::cmp::max(start_group + 1, (nonces.end + per_aes - 1) / per_aes);
    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.div_ceil()`: `nonces.end.div_ceil(per_aes)`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_div_ceil
    = note: `#[warn(clippy::manual_div_ceil)]` on by default