error: use of a fallible conversion when an infallible one could be used
   --> src/ubi/format.rs:290:39
    |
290 |     let mut data = Vec::with_capacity(u32::try_from(eb_size).unwrap() as usize + vid_size);
    |                                       ^^^^^^^^^^^^^ help: use: `From::from`
    |
    = note: converting `NonZero<u32>` to `u32` cannot fail
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fallible_conversions
    = note: `-D clippy::unnecessary-fallible-conversions` implied by `-D warnings`
    = help: to override `-D warnings` add `#[allow(clippy::unnecessary_fallible_conversions)]`