[dirbaio@mars rust]$ rustup toolchain install nightly
(...)
  nightly-x86_64-unknown-linux-gnu installed - rustc 1.83.0-nightly (c52c23b6f 2024-09-16)
[dirbaio@mars rust]$ cargo +stage1 --version
cargo 1.83.0-nightly (a9a418d1a 2024-09-15)
[dirbaio@mars rust]$ rustup toolchain uninstall nightly
info: uninstalling toolchain 'nightly-x86_64-unknown-linux-gnu'
info: toolchain 'nightly-x86_64-unknown-linux-gnu' uninstalled
[dirbaio@mars rust]$ cargo +stage1 --version
cargo 1.81.0 (2dbb1af80 2024-08-20)
```