The homepage was linking to outdated nightlies. This had been fixed in the readme, but not on the actual website.
This will get you the latest Rust nightly for your platform along with
the latest Cargo. You should run this script almost every day to get the latest updates.
-If you are on Windows, you can directly download the latest 32bit ([Rust](https://static.rust-lang.org/dist/rust-nightly-i686-w64-mingw32.exe)
-and [Cargo](https://static.rust-lang.org/cargo-dist/cargo-nightly-i686-w64-mingw32.tar.gz)) or 64bit ([Rust](https://static.rust-lang.org/dist/rust-nightly-x86_64-w64-mingw32.exe) and [Cargo](https://static.rust-lang.org/cargo-dist/cargo-nightly-x86_64-w64-mingw32.tar.gz)) nightlies.
+If you are on Windows, you can directly download the latest 32bit ([Rust](https://static.rust-lang.org/dist/rust-nightly-i686-pc-windows-gnu.exe)
+and [Cargo](https://static.rust-lang.org/cargo-dist/cargo-nightly-i686-pc-windows-gnu.tar.gz)) or 64bit ([Rust](https://static.rust-lang.org/dist/rust-nightly-x86_64-pc-windows-gnu.exe) and [Cargo](https://static.rust-lang.org/cargo-dist/cargo-nightly-x86_64-pc-windows-gnu.tar.gz)) nightlies.
Alternatively, you can build Cargo from source.