diff --git a/server/ql/rust/tools/test/CallGraphFromTo/Cargo.lock b/server/ql/rust/tools/test/CallGraphFromTo/Cargo.lock
new file mode 100644
index 00000000..c526b1c0
--- /dev/null
+++ b/server/ql/rust/tools/test/CallGraphFromTo/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "test"
+version = "0.0.1"
diff --git a/server/ql/rust/tools/test/CallGraphTo/Cargo.lock b/server/ql/rust/tools/test/CallGraphTo/Cargo.lock
new file mode 100644
index 00000000..c526b1c0
--- /dev/null
+++ b/server/ql/rust/tools/test/CallGraphTo/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "test"
+version = "0.0.1"
diff --git a/server/ql/rust/tools/test/PrintCFG/Cargo.lock b/server/ql/rust/tools/test/PrintCFG/Cargo.lock
new file mode 100644
index 00000000..c526b1c0
--- /dev/null
+++ b/server/ql/rust/tools/test/PrintCFG/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "test"
+version = "0.0.1"
diff --git a/server/ql/rust/tools/test/ext/Cargo.lock b/server/ql/rust/tools/test/ext/Cargo.lock
new file mode 100644
index 00000000..c526b1c0
--- /dev/null
+++ b/server/ql/rust/tools/test/ext/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "test"
+version = "0.0.1"
diff --git a/server/ql/rust/tools/test/ext/Cargo.toml b/server/ql/rust/tools/test/ext/Cargo.toml
new file mode 100644
index 00000000..69385640
--- /dev/null
+++ b/server/ql/rust/tools/test/ext/Cargo.toml
@@ -0,0 +1,11 @@
+
+[workspace]
+[package]
+name = "test"
+version = "0.0.1"
+edition = "2021"
+[lib]
+path = "lib.rs"
+[dependencies]
+
+
diff --git a/server/ql/rust/tools/test/ext/lib.rs b/server/ql/rust/tools/test/ext/lib.rs
new file mode 100644
index 00000000..e69de29b