message: ci: only test Rust benchmarks
  No need to build the benchmark suite 4 times.
diff: @@ -46,9 +46,7 @@ ci/test-regex-capi
  # very long time. Also, check that we can build the regex-debug tool.
  if [ "$TRAVIS_RUST_VERSION" = "nightly" ]; then
  cargo build --verbose --manifest-path regex-debug/Cargo.toml
  - for x in rust rust-bytes pcre1 onig; do
  - (cd bench && ./run $x --no-run --verbose)
  - done
  + (cd bench && ./run rust --no-run --verbose)
  # Test minimal versions.
  cargo +nightly generate-lockfile -Z minimal-versions
  