chacha20-0.10.0-rc.5 is not compatible with rand_core-0.10.0-rc-3 and the chacha20 version is pinned

[rayslava]

Summary

Attempt to build with rand-0.10.0-rc.5 now results into

error[E0432]: unresolved imports `rand_core::block::BlockRngCore`, `rand_core::block::CryptoBlockRng`
  --> .cargo/registry/src/index.crates.io-1949cf8c6b5b557f/chacha20-0.10.0-rc.5/src/rng.rs:13:23
   |
13 |     block::{BlockRng, BlockRngCore, CryptoBlockRng},
   |                       ^^^^^^^^^^^^  ^^^^^^^^^^^^^^ no `CryptoBlockRng` in `block`
   |                       |
   |                       no `BlockRngCore` in `block`
   |                       help: a similar name exists in the module: `BlockRng`

and some other errors.

chacha20-v0.10.0-rc.6 addresses this issue but currently the version is pinned and can't be updated.

Could you bump the dependency for the rc?

[dhardy]

Sorry about this. Fixes are planned: #1697, #1699.

[dhardy]

In case it's not clear, the current master branch should still work fine with rand_core v0.10.0-rc-2.