diff --git a/README.md b/README.md
index 59801cdc59..d9feebfb2e 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,10 @@ and `HashSet` types.
 The original C++ version of SwissTable can be found [here], and this
 [CppCon talk] gives an overview of how the algorithm works.
 
+Since Rust 1.36, this is now the `HashMap` implementation for the Rust standard
+library. All benchmarks and features below are compared to the previous hash
+table implementation in the Rust standard library.
+
 [SwissTable]: https://abseil.io/blog/20180927-swisstables
 [here]: https://github.com/abseil/abseil-cpp/blob/master/absl/container/internal/raw_hash_set.h
 [CppCon talk]: https://www.youtube.com/watch?v=ncHmEUmJZf4
@@ -30,7 +34,7 @@ The original C++ version of SwissTable can be found [here], and this
 
 ## Performance
 
-Compared to `std::collections::HashMap`:
+Compared to the previous implementation of `std::collections::HashMap`:
 
 ```text
  name               stdhash ns/iter  hashbrown ns/iter  diff ns/iter    diff %  speedup
diff --git a/ci/run.sh b/ci/run.sh
index 99ed4276d6..2b9f9c7c55 100644
--- a/ci/run.sh
+++ b/ci/run.sh
@@ -4,7 +4,7 @@ set -ex
 
 : "${TARGET?The TARGET environment variable must be set.}"
 
-FEATURES="rayon,serde"
+FEATURES="rayon,serde,rustc-internal-api"
 if [ "${TRAVIS_RUST_VERSION}" = "nightly" ]; then
     FEATURES="${FEATURES},nightly"
     export RUSTFLAGS="$RUSTFLAGS -D warnings"