Port benchmarks to Criterion.

With Criterion the benchmarks work on stable Rust, too.

Change-Id: I0d460ffd265e82a21c625c41930dcce7521e34af
3 files changed
tree: 9d1ce81870807a9ec2da95d8ed85b5d88a40a476
  1. benches/
  2. c/
  3. src/
  4. .gitignore
  5. bindings.h
  6. build.rs
  7. Cargo.lock
  8. Cargo.toml