diff --git a/Cargo.toml b/Cargo.toml
index 124e148de7951..a71c3cb579ecf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -139,6 +139,7 @@ extra_traits = []
 [workspace]
 members = [
     "ctest",
+    "ctest-next",
     "ctest-test",
     "libc-test",
 ]
diff --git a/ctest-next/Cargo.toml b/ctest-next/Cargo.toml
new file mode 100644
index 0000000000000..54c62d05be6ea
--- /dev/null
+++ b/ctest-next/Cargo.toml
@@ -0,0 +1,12 @@
+[package]
+name = "ctest-next"
+version = "0.1.0"
+edition = "2021"
+rust-version = "1.77"
+license = "MIT OR Apache-2.0"
+repository = "https://github.com/rust-lang/libc"
+publish = false
+
+[dependencies]
+cc = "1.2.25"
+syn = { version = "2.0.101", features = ["full", "visit", "visit-mut", "fold"] }
diff --git a/ctest-next/src/lib.rs b/ctest-next/src/lib.rs
new file mode 100644
index 0000000000000..7d12d9af8195b
--- /dev/null
+++ b/ctest-next/src/lib.rs
@@ -0,0 +1,14 @@
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}