rustup
                                
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                        The Rust toolchain installer
### Problem you are trying to solve The rustup 1.28 release [introduced new validation](https://github.com/rust-lang/rustup/commit/e1306b390820826d967f3bf367cb8b83ab1b16cd#diff-cba64c21ab992eaad29fce147a08f4560a4769bc14682b8a96081a5fd02dbecdR226-R237) for custom toolchains listed in `rust-toolchain.toml` files. At Microsoft, we use an internal build of the...
### Verification - [x] I searched for recent similar issues at https://github.com/rust-lang/rustup/issues?q=is%3Aissue+is%3Aopen%2Cclosed and found no duplicates. - [x] I am on the latest version of Rustup according to https://github.com/rust-lang/rustup/tags and...
### Verification - [x] I searched for recent similar issues at https://github.com/rust-lang/rustup/issues?q=is%3Aissue+is%3Aopen%2Cclosed and found no duplicates. - [x] I am on the latest version of Rustup according to https://github.com/rust-lang/rustup/tags and...
`rustup component add llvm-bitcode-linker` should imply `rustup component add llvm-tools`. If `llvm-bitcode-linker` is installed but `llvm-tools` is not installed, linking with `llvm-bitcode-linker` causes confusing errors since it tries to use...
### Verification - [x] I searched for recent similar issues at https://github.com/rust-lang/rustup/issues?q=is%3Aissue+is%3Aopen%2Cclosed and found no duplicates. - [x] I am on the latest version of Rustup according to https://github.com/rust-lang/rustup/tags and...
> We're also seeing [some breakage](https://github.com/rust-lang/rust-analyzer/actions/runs/13663331790/job/38199273717?pr=19236#step:3:48) for `rustup component add --toolchain nightly rustfmt`, but only on Windows: > > ``` > error: invalid value 'C:\Users\runneradmin\.cargo\bin\rustup.exe' for '[+toolchain]': error: "C:\Users\runneradmin\.cargo\bin\rustup.exe" is...
### Verification - [x] I searched for recent similar issues at https://github.com/rust-lang/rustup/issues?q=is%3Aissue+is%3Aopen%2Cclosed and found no duplicates. - [x] I am on the latest version of Rustup according to https://github.com/rust-lang/rustup/tags and...
### Problem you are trying to solve Visiting rustup.rs from a dark-theme device can be blinding as it is an almost entirely plain white page. ### Solution you'd like A...
Hi folks, I just learned about the breaking change in https://github.com/rust-lang/rustup/pull/3985 as it was released today. I can understand why this change might be desirable, but I have concerns that...
> I get the same problem calling `rustup update` in a devcontainer. The devcontainer just installs 1.84 and I need 1.85. I get > > ``` > vscode ➜ /workspaces/my_project...