More specific error if rustc --print sysroot fails

2020-02-10 17:04:18 +01:00
parent 5b703bdc58
commit 5a71eb8749
1 changed files with 2 additions and 1 deletions
--- a/crates/ra_project_model/src/sysroot.rs
+++ b/crates/ra_project_model/src/sysroot.rs
@@ -99,7 +99,8 @@ fn try_find_src_path(cargo_toml: &Path) -> Result<PathBuf> {
    let rustc_output = Command::new("rustc")
        .current_dir(cargo_toml.parent().unwrap())
        .args(&["--print", "sysroot"])
-        .output()?;
+        .output()
+        .map_err(|e| format!("rustc --print sysroot failed: {}", e))?;
    if !rustc_output.status.success() {
        Err("failed to locate sysroot")?;
    }