Update Feather H200 training runtime image

overlay/htm_rust/build.rs

@@ -44,10 +44,10 @@ fn main() {
     ];
 
     let kernels_dir = PathBuf::from("src/gpu/kernels");
-    for k in kernels {
-        let src = kernels_dir.join(format!("{k}.cu"));
-        println!("cargo:rerun-if-changed={}", src.display());
-    }
+    for k in &kernels {
+        let src = kernels_dir.join(format!("{k}.cu"));
+        println!("cargo:rerun-if-changed={}", src.display());
+    }
 
     let out_dir = PathBuf::from(env::var("OUT_DIR").expect("OUT_DIR"));
     let arch = env::var("HTM_CUDA_ARCH").unwrap_or_else(|_| "sm_90a".into());