2f5440c38a
Fix `x test ui --target foo` when download-rustc is enabled
Previously, we would never build the target std, only the host std:
```
; x t tests/ui/attributes --target wasm32-unknown-unknown
Building bootstrap
Finished dev [unoptimized] target(s) in 0.02s
Building stage0 library artifacts (x86_64-unknown-linux-gnu)
Finished release [optimized] target(s) in 0.08s
Building tool compiletest (stage0)
Finished release [optimized] target(s) in 0.09s
Check compiletest suite=ui mode=ui (x86_64-unknown-linux-gnu -> wasm32-unknown-unknown)
thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Error { depth: 0, inner: Io { path: Some("/home/jyn/src/rust2/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/wasm32-unknown-unknown/lib"), err: Os { code: 2, kind: NotFound, message: "No such file or directory" } } }', src/tools/compiletest/src/main.rs:842:31
```
Helps with https://github.com/rust-lang/rust/issues/81930.
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|---|---|---|
| .. | ||
| bootstrap | ||
| ci | ||
| doc | ||
| etc | ||
| librustdoc | ||
| llvm-project@585a6eb3eb | ||
| rustdoc-json-types | ||
| tools | ||
| README.md | ||
| stage0.json | ||
| version | ||
This directory contains some source code for the Rust project, including:
- The bootstrapping build system
- Various submodules for tools, like cargo, tidy, etc.
For more information on how various parts of the compiler work, see the rustc dev guide.