[PATCH 1/1] Improve error message in case the original file name from which the doctest was generated from to mention the doctest file path.

[Guillaume Gomez]

In case the conversion fail, it will allow to get directly the file name
triggering this bug, making the bug fixing process faster.

Signed-off-by: Guillaume Gomez <guillaume1.gomez@xxxxxxxxx>
---
 scripts/rustdoc_test_gen.rs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/scripts/rustdoc_test_gen.rs b/scripts/rustdoc_test_gen.rs
index 5ebd42ae4..12115979e 100644
--- a/scripts/rustdoc_test_gen.rs
+++ b/scripts/rustdoc_test_gen.rs
@@ -87,8 +87,8 @@ fn find_candidates(
 
     assert!(
         valid_paths.len() > 0,
-        "No path candidates found. This is likely a bug in the build system, or some files went \
-        away while compiling."
+        "No path candidates found for `{file}`. This is likely a bug in the build system, or some \
+        files went away while compiling.",
     );
 
     if valid_paths.len() > 1 {
@@ -97,8 +97,8 @@ fn find_candidates(
             eprintln!("    {path:?}");
         }
         panic!(
-            "Several path candidates found, please resolve the ambiguity by renaming a file or \
-            folder."
+            "Several path candidates found for `{file}`, please resolve the ambiguity by renaming \
+            a file or folder."
         );
     }
 
-- 
2.48.1