message: Try to fix CI for semver-check.
diff: @@ -92,7 +92,8 @@ jobs:
  - run: rustup update nightly && rustup default nightly
  - run: rustup component add rust-docs
  - run: ci/validate-man.sh
  - - run: cd src/doc/semver-check && cargo run
  + # This requires rustfmt, use stable.
  + - run: cd src/doc/semver-check && cargo +stable run
  - run: |
  mkdir mdbook
  curl -Lf https://github.com/rust-lang/mdBook/releases/download/v0.3.7/mdbook-v0.3.7-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=./mdbook
  