diff --git a/src/tools/compiletest/src/lib.rs b/src/tools/compiletest/src/lib.rs
index 5c148e37143..9962487ef81 100644
--- a/src/tools/compiletest/src/lib.rs
+++ b/src/tools/compiletest/src/lib.rs
@@ -554,7 +554,7 @@ struct TestCollectorCx {
 /// Mutable state used during test collection.
 struct TestCollector {
     tests: Vec<test::TestDescAndFn>,
-    found_paths: HashSet<PathBuf>,
+    found_path_stems: HashSet<PathBuf>,
     poisoned: bool,
 }
 
@@ -573,21 +573,21 @@ pub fn collect_and_make_tests(config: Arc<Config>) -> Vec<test::TestDescAndFn> {
 
     let cx = TestCollectorCx { config, cache, common_inputs_stamp, modified_tests };
     let mut collector =
-        TestCollector { tests: vec![], found_paths: HashSet::new(), poisoned: false };
+        TestCollector { tests: vec![], found_path_stems: HashSet::new(), poisoned: false };
 
     collect_tests_from_dir(&cx, &mut collector, &cx.config.src_base, &PathBuf::new())
         .unwrap_or_else(|reason| {
             panic!("Could not read tests from {}: {reason}", cx.config.src_base.display())
         });
 
-    let TestCollector { tests, found_paths, poisoned } = collector;
+    let TestCollector { tests, found_path_stems, poisoned } = collector;
 
     if poisoned {
         eprintln!();
         panic!("there are errors in tests");
     }
 
-    check_overlapping_tests(&found_paths);
+    check_for_overlapping_test_paths(&found_path_stems);
 
     tests
 }
@@ -732,7 +732,7 @@ fn collect_tests_from_dir(
 
             // Record the stem of the test file, to check for overlaps later.
             let rel_test_path = relative_dir_path.join(file_path.file_stem().unwrap());
-            collector.found_paths.insert(rel_test_path);
+            collector.found_path_stems.insert(rel_test_path);
 
             let paths =
                 TestPaths { file: file_path, relative_dir: relative_dir_path.to_path_buf() };
@@ -1023,11 +1023,11 @@ fn make_test_closure(
 /// To avoid problems, we forbid test names from overlapping in this way.
 ///
 /// See <https://github.com/rust-lang/rust/pull/109509> for more context.
-fn check_overlapping_tests(found_paths: &HashSet<PathBuf>) {
+fn check_for_overlapping_test_paths(found_path_stems: &HashSet<PathBuf>) {
     let mut collisions = Vec::new();
-    for path in found_paths {
+    for path in found_path_stems {
         for ancestor in path.ancestors().skip(1) {
-            if found_paths.contains(ancestor) {
+            if found_path_stems.contains(ancestor) {
                 collisions.push((path, ancestor));
             }
         }