Fix CUDA libtorch version: cu124 does not exist for 2.7.0, use cu126

Signed-off-by: Michael Yuan <michael@secondstate.io>
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: juntao

.github/workflows/release-rust.yml

@@ -91,7 +91,7 @@ jobs:
     env:
       LIBTORCH_VERSION: "2.7.0"
       LIBTORCH_BYPASS_VERSION_CHECK: "1"
-      CUDA_VERSION: "cu124"
+      CUDA_VERSION: "cu126"
 
     steps:
       - uses: actions/checkout@v4

rust/README.md

@@ -300,9 +300,9 @@ Download and extract libtorch for your platform:
 curl -LO https://download.pytorch.org/libtorch/cpu/libtorch-cxx11-abi-shared-with-deps-2.7.1%2Bcpu.zip
 unzip libtorch-cxx11-abi-shared-with-deps-2.7.1+cpu.zip
 
-# Linux x86_64 (CUDA 12.4)
-curl -LO https://download.pytorch.org/libtorch/cu124/libtorch-cxx11-abi-shared-with-deps-2.7.0%2Bcu124.zip
-unzip libtorch-cxx11-abi-shared-with-deps-2.7.0+cu124.zip
+# Linux x86_64 (CUDA 12.6)
+curl -LO https://download.pytorch.org/libtorch/cu126/libtorch-cxx11-abi-shared-with-deps-2.7.0%2Bcu126.zip
+unzip libtorch-cxx11-abi-shared-with-deps-2.7.0+cu126.zip
 
 # Linux aarch64 (CPU)
 curl -LO https://github.com/second-state/libtorch-releases/releases/download/v2.7.1/libtorch-cxx11-abi-aarch64-2.7.1.tar.gz

rust/install.sh

@@ -119,7 +119,7 @@ download_cuda_libtorch() {
     fi
 
     info "Downloading CUDA libtorch (this may take a while)..."
-    local url="https://download.pytorch.org/libtorch/cu124/libtorch-cxx11-abi-shared-with-deps-2.7.0%2Bcu124.zip"
+    local url="https://download.pytorch.org/libtorch/cu126/libtorch-cxx11-abi-shared-with-deps-2.7.0%2Bcu126.zip"
     local temp_dir
     temp_dir=$(mktemp -d)