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Merge #3282

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3282: Add suggestion for failed path resolution r=matklad a=yoshuawuyts

This adds https://github.com/rust-analyzer/rust-analyzer/issues/3245 as an inline help text for when path resolution fails. I saw this error, but also `"Failed to read Cargo metadata from Cargo.toml file"` several times while trying to debug what was failing.

There's probably a more structured way of displaying help texts in VS Code popups. But this would've saved me 20 mins of debugging when installing `rust-analyzer` under WSL today. Thanks!

Co-authored-by: Yoshua Wuyts <yoshuawuyts@gmail.com>
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bors[bot] 2020-02-23 15:17:08 +00:00 committed by GitHub
commit 3d6ec45a01
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crates/ra_project_model/src/lib.rs
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@ -103,7 +103,7 @@ impl ProjectWorkspace {
let sysroot = if with_sysroot {
Sysroot::discover(&cargo_toml).with_context(|| {
format!(
"Failed to find sysroot for Cargo.toml file {}",
"Failed to find sysroot for Cargo.toml file {}. Is rust-src installed?",
cargo_toml.display()
)
})?