# If you see this, run `rustup self update` to get rustup 1.23 or newer. # NOTE: above comment is for older `rustup` (before TOML support was added), # which will treat the first line as the toolchain name, and therefore show it # to the user in the error, instead of "error: invalid channel name '[toolchain]'". [toolchain] channel = "nightly-2021-05-17" components = ["rust-src", "rustc-dev", "llvm-tools-preview"]