Johan Gardell

This issue is most likely due to https://github.com/RustCrypto/hashes/pull/386 which has been fixed in `0.2.4` of the `cpufeatures` crate but https://github.com/rust-lang/rustup/blob/master/Cargo.lock#L350 is locked to `0.2.2` Checking for `avx2` on my Intel...

If I understand the proposed solution correctly, isn't `on_insert` called after `on_grow`, so the `self.size + new_memory_usage` that you would calculate in `on_grow` would then include all the sizes of...