diff --git a/.github/actions/release-to-pypi-uv/scripts/validate_toml_versions.py b/.github/actions/release-to-pypi-uv/scripts/validate_toml_versions.py
index 5dfbaccb..d3838ae4 100644
--- a/.github/actions/release-to-pypi-uv/scripts/validate_toml_versions.py
+++ b/.github/actions/release-to-pypi-uv/scripts/validate_toml_versions.py
@@ -28,6 +28,9 @@
     "build",
     ".direnv",
     ".mypy_cache",
+    ".pytest_cache",
+    ".cache",
+    "htmlcov",
 }
 
 TRUTHY_STRINGS = {"true", "1", "yes", "y", "on"}
diff --git a/.github/actions/release-to-pypi-uv/tests/test_validate_toml_versions.py b/.github/actions/release-to-pypi-uv/tests/test_validate_toml_versions.py
index d0dbb8a7..5323966f 100644
--- a/.github/actions/release-to-pypi-uv/tests/test_validate_toml_versions.py
+++ b/.github/actions/release-to-pypi-uv/tests/test_validate_toml_versions.py
@@ -13,6 +13,8 @@
 
 from ._helpers import load_script_module
 
+SKIP_PARTS = tuple(sorted(load_script_module("validate_toml_versions").SKIP_PARTS))
+
 
 @pytest.fixture(name="module")
 def fixture_module() -> ModuleType:
@@ -207,21 +209,27 @@ def test_dynamic_version_allowed_for_falsey_variants(
     assert "uses dynamic 'version'" in captured.out
 
 
-def test_skips_files_in_ignored_directories(
+@pytest.mark.parametrize("skip_part", SKIP_PARTS, ids=lambda part: part)
+def test_skips_files_in_ignored_directory(
     project_root: Path,
     module: ModuleType,
     capsys: pytest.CaptureFixture[str],
+    skip_part: str,
 ) -> None:
-    """Warn and exit when only ignored directories match the pattern."""
-    ignored = project_root / ".venv" / "pkg"
+    """Warn and exit when only a single ignored directory matches the pattern."""
+    assert skip_part in module.SKIP_PARTS
     _write_pyproject(
-        ignored,
+        project_root / skip_part / "pkg",
         """
 [project]
 name = "ignored"
 version = "9.9.9"
 """,
     )
+
+    discovered = list(module._iter_files("**/pyproject.toml"))
+    assert not discovered
+
     _invoke_main(module, version="1.0.0")
     captured = capsys.readouterr()
     assert "::warning::No TOML files matched pattern" in captured.out
diff --git a/.github/actions/rust-build-release/tests/test_target_install.py b/.github/actions/rust-build-release/tests/test_target_install.py
index 046f22c8..00cc6f5b 100644
--- a/.github/actions/rust-build-release/tests/test_target_install.py
+++ b/.github/actions/rust-build-release/tests/test_target_install.py
@@ -152,6 +152,7 @@ def test_falls_back_to_cargo_when_podman_unusable(
     runtime_module: ModuleType,
     module_harness: HarnessFactory,
     cmd_mox: CmdMox,
+    capsys: pytest.CaptureFixture[str],
 ) -> None:
     """Fallback to cargo when podman runtime detection fails quickly (issue #97)."""
     cross_env = module_harness(cross_module)
@@ -184,6 +185,12 @@ def fake_which(name: str) -> str | None:
 
     assert any(cmd[0] == "cargo" for cmd in app_env.calls)
     assert all(cmd[0] != "cross" for cmd in app_env.calls)
+    captured = capsys.readouterr()
+    assert (
+        "cross (0.2.5) requires a container runtime; "
+        "using cargo (docker=False, podman=False)" in captured.out
+    )
+    assert "TimeoutExpired" not in captured.err
 
 
 @pytest.mark.parametrize(
@@ -433,8 +440,14 @@ def timeout_runtime(_name: str, *, cwd: object | None = None) -> bool:
         "::warning::podman runtime probe timed out after 10s; "
         "treating runtime as unavailable"
     )
+    expected_toolchain = (
+        f"::error:: toolchain '{default_toolchain}-x86_64-unknown-linux-gnu' "
+        "does not support target 'thumbv7em-none-eabihf'"
+    )
     assert expected_docker in err
     assert expected_podman in err
+    assert expected_toolchain in err
+    assert "TimeoutExpired" not in err
 
 
 def test_configure_windows_linkers_prefers_toolchain_gcc(