From 5a71eb87497d053204dedf3e1960f6a8298e87c5 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Mon, 10 Feb 2020 17:04:18 +0100
Subject: More specific error if `rustc --print sysroot` fails

---
 crates/ra_project_model/src/sysroot.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/crates/ra_project_model/src/sysroot.rs b/crates/ra_project_model/src/sysroot.rs
index 34d066b1e..a23265fc0 100644
--- 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")?;
     }
-- 
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