fixup! feat(cargo-codspeed): support walltime runs from with cargo-codspeed

Author: art049

crates/cargo-codspeed/src/run.rs

@@ -100,7 +100,9 @@ pub fn run_benches(
 ) -> Result<()> {
     let codspeed_target_dir = get_codspeed_target_dir(metadata);
     let workspace_root = metadata.workspace_root.as_std_path();
-    clear_raw_walltime_data(workspace_root)?;
+    if measurement_mode == MeasurementMode::Walltime {
+        clear_raw_walltime_data(workspace_root)?;
+    }
     let benches = filters.benches_to_run(codspeed_target_dir, metadata)?;
     if benches.is_empty() {
         bail!("No benchmarks found. Run `cargo codspeed build` first.");