Compilation failure with v4.20.0

[tarka]

Migrating from 4.19 to 4.20 gives the following compilation error:

   Compiling time v0.3.45
   Compiling boring v4.20.0
error[E0432]: unresolved import `crate::ffi::ErrLib`
  --> /home/runner/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/boring-4.20.0/src/error.rs:31:9
   |
31 | pub use crate::ffi::ErrLib;
   |         ^^^^^^^^^^^^^^^^^^ no `ErrLib` in the root

   Compiling asn1-rs v0.7.1

Full logs here: https://github.com/tarka/vicarian/actions/runs/21051831404/job/60539643364