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| author | Andrew Dona-Couch -- GitHub drop ICE <github@couchand.com> | 2022-06-06 19:37:50 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-06-07 08:37:50 +0900 |
| commit | 46d48d8d72cfd28e259535762c501bdca285214b (patch) | |
| tree | 3391c68a156927aa697bd7ba45ce592542d6f81f /src/doc/rustc-dev-guide | |
| parent | 93771d84e0f5113a3ff8418541e34eca05858a8f (diff) | |
| download | rust-46d48d8d72cfd28e259535762c501bdca285214b.tar.gz rust-46d48d8d72cfd28e259535762c501bdca285214b.zip | |
Clarify cargo fallback behavior for rustup link (#1273)
Diffstat (limited to 'src/doc/rustc-dev-guide')
| -rw-r--r-- | src/doc/rustc-dev-guide/src/building/how-to-build-and-run.md | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/doc/rustc-dev-guide/src/building/how-to-build-and-run.md b/src/doc/rustc-dev-guide/src/building/how-to-build-and-run.md index dd997c81415..9ef43e341ce 100644 --- a/src/doc/rustc-dev-guide/src/building/how-to-build-and-run.md +++ b/src/doc/rustc-dev-guide/src/building/how-to-build-and-run.md @@ -233,6 +233,12 @@ The rustup toolchain points to the specified toolchain compiled in your `build` so the rustup toolchain will be updated whenever `x.py build` or `x.py test` are run for that toolchain/stage. +**Note:** the toolchain we've built does not include `cargo`. In this case, `rustup` will +fall back to using `cargo` from the installed `nightly`, `beta`, or `stable` toolchain +(in that order). If you need to use unstable `cargo` flags, be sure to run +`rustup install nightly` if you haven't already. See the +[rustup documentation on custom toolchains](https://rust-lang.github.io/rustup/concepts/toolchains.html#custom-toolchains). + ## Other `x.py` commands Here are a few other useful `x.py` commands. We'll cover some of them in detail |