Better diagnostics of protoc failure

stepancheg · Dec 29, 2018 · 4d0025a · 4d0025a
1 parent 0b3d0c7
commit 4d0025a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/protoc/src/lib.rs b/protoc/src/lib.rs
@@ -115,7 +115,7 @@ impl Protoc {
         let mut child = self.spawn(&mut cmd)?;
 
         if !child.wait()?.success() {
-            return err_other("protoc exited with non-zero exit code");
+            return err_other(&format!("protoc ({:?}) exited with non-zero exit code", cmd));
         }
 
         Ok(())