Windows下pip安装transformers提示找不到Rust编译器求助

在Windows系统执行pip install transformers时触发以下报错：

error: can't find Rust compiler

完整报错信息：

If you are using an outdated pip version, it is possible a prebuilt wheel is available for this package but pip is not able to install from it. Installing from the wheel would avoid the need for a Rust compiler.

To update pip, run:

  pip install --upgrade pip

and then retry package installation.

If you did intend to build this package from source, try installing a Rust compiler from your system package manager and ensure it is on the PATH during installation. Alternatively, rustup (available at https://rustup.rs) is the recommended way to download and update the Rust compiler toolchain.
[end of output]

note: This error originates from a subprocess, and is likely not a problem with pip.
ERROR: Failed building wheel for tokenizers
Failed to build tokenizers
ERROR: Could not build wheels for tokenizers, which is required to install pyproject.toml-based projects

已尝试的操作：

git clone https://github.com/huggingface/transformers.git 
cd transformers
pip install -e .

即使安装了Rust编译器，问题仍未解决。

1. 全面更新pip、setuptools和wheel #

旧版本的工具链可能无法识别预编译轮子，执行命令更新所有依赖工具：

python -m pip install --upgrade pip setuptools wheel

更新完成后重新尝试pip install transformers。

2. 确认Rust环境已正确配置并生效 #

安装Rust后，必须重启所有终端和开发工具（如VS Code、PyCharm），环境变量PATH的更新需要重启才能生效。

验证Rust是否可用：

rustc --version

若无法输出版本号，手动添加Rust的bin目录到系统PATH：

• Rust默认安装路径为C:\Users\<你的用户名>\.cargo\bin
• 打开系统环境变量设置，将上述路径添加到PATH变量中，保存后重启终端。

3. 手动安装预编译的tokenizers轮子 #

报错核心是tokenizers需要编译，直接下载匹配你Python版本（如3.10、3.11）和Windows架构（win_amd64）的预编译wheel文件，手动安装后再部署transformers：

# 示例命令，需替换为对应版本的wheel文件名
pip install tokenizers-0.15.1-cp311-none-win_amd64.whl

安装完成后执行pip install transformers。

4. 使用conda安装（推荐有conda环境的用户） #

conda仓库中的transformers包已预编译，无需Rust环境：

conda install -c huggingface transformers

内容的提问来源于stack exchange，提问作者Carmen Appelt