diff --git a/.github/workflows/github-cxx-qt-tests.yml b/.github/workflows/github-cxx-qt-tests.yml
index a5056aaec..f02e66305 100644
--- a/.github/workflows/github-cxx-qt-tests.yml
+++ b/.github/workflows/github-cxx-qt-tests.yml
@@ -213,7 +213,7 @@ jobs:
         CC: ${{ matrix.cc }}
         CXX: ${{ matrix.cxx }}
     - name: "Build"
-      run: cmake --build build --config Release --parallel 2
+      run: cmake --build build --config Release --parallel 1
       working-directory: ${{ matrix.workspace }}
       env:
         RUSTC_WRAPPER: sccache
diff --git a/CMakeLists.txt b/CMakeLists.txt
index b33d2d2dd..4ece66d99 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -202,10 +202,13 @@ endif()
 set(CARGO_TARGET_DIR "${CMAKE_BINARY_DIR}/${BUILD_DIR}/cargo/build")
 
 # Add CMake tests for `cargo test/clippy/fmt/doc`.
-add_test(NAME cargo_tests COMMAND cargo test --features link_qt_object_files --all-targets --target-dir
-                                  ${CARGO_TARGET_DIR})
-add_test(NAME cargo_doc_tests COMMAND cargo test --features link_qt_object_files --doc --target-dir
-                                      ${CARGO_TARGET_DIR})
+
+# qml-meta-project has issues linking with Qt 5 on Windows, as well as with GNU ld.gold.
+# There are no Cargo tests for that example anyway, so skip building it with `cargo test`.
+add_test(NAME cargo_tests COMMAND cargo test --features link_qt_object_files --workspace --exclude qml-meta-project
+                                  --target-dir ${CARGO_TARGET_DIR})
+add_test(NAME cargo_doc_tests COMMAND cargo test --features link_qt_object_files --doc
+                                      --target-dir ${CARGO_TARGET_DIR})
 add_test(NAME cargo_doc COMMAND cargo doc --workspace --target-dir ${CARGO_TARGET_DIR})
 add_test(NAME cargo_clippy COMMAND cargo clippy --all-targets --target-dir
                                    ${CARGO_TARGET_DIR} -- -D warnings)
diff --git a/examples/meta_project/CMakeLists.txt b/examples/meta_project/CMakeLists.txt
index 00b09b06f..c8269dba7 100644
--- a/examples/meta_project/CMakeLists.txt
+++ b/examples/meta_project/CMakeLists.txt
@@ -34,7 +34,7 @@ if(NOT Corrosion_FOUND)
 endif()
 
 set(CRATE qml-meta-project)
-corrosion_import_crate(MANIFEST_PATH rust/main/Cargo.toml CRATES ${CRATE})
+corrosion_import_crate(MANIFEST_PATH rust/main/Cargo.toml CRATES ${CRATE} FLAGS -j1)
 set(CXXQT_EXPORT_DIR "${CMAKE_CURRENT_BINARY_DIR}/cxxqt")
 corrosion_set_env_vars(${CRATE}
     "CXXQT_EXPORT_DIR=${CXXQT_EXPORT_DIR}"
diff --git a/examples/meta_project/rust/main/src/lib.rs b/examples/meta_project/rust/main/src/lib.rs
index 73b514826..9133ec875 100644
--- a/examples/meta_project/rust/main/src/lib.rs
+++ b/examples/meta_project/rust/main/src/lib.rs
@@ -7,6 +7,6 @@ mod main_object;
 
 // Ensure the symbols from the rlib dependencies end up
 // in the staticlib (if you use Rust symbols from these
-// crates in this crate, you can skip these `pub use` statements).
-pub use sub1;
-pub use sub2;
+// crates in this crate, you can skip these `extern crate` statements).
+extern crate sub1;
+extern crate sub2;