From 4223760a7ba5879e11dcf93db0884367c07244d7 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Thu, 9 Jan 2020 11:25:21 +0100
Subject: Better error message

closes #2775
---
 crates/ra_project_model/src/sysroot.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/crates/ra_project_model/src/sysroot.rs b/crates/ra_project_model/src/sysroot.rs
index 10ca391b6..34d066b1e 100644
--- a/crates/ra_project_model/src/sysroot.rs
+++ b/crates/ra_project_model/src/sysroot.rs
@@ -53,9 +53,10 @@ impl Sysroot {
         if !src.exists() {
             Err(format!(
                 "can't load standard library from sysroot\n\
-                 {:?}\n\
+                 {}\n\
+                 (discovered via `rustc --print sysroot`)\n\
                  try running `rustup component add rust-src` or set `RUST_SRC_PATH`",
-                src,
+                src.display(),
             ))?;
         }
 
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