Log a warning when rustc benchmark produces no data

Kobzol · Kobzol · commit 0f0300232678 · 2025-03-04T11:03:07.000+01:00
diff --git a/collector/src/compile/execute/rustc.rs b/collector/src/compile/execute/rustc.rs
@@ -144,6 +144,14 @@ async fn record(
         }
     }
 
+    // Sanity check
+    if timing_data.is_empty() {
+        log::warn!(
+            "rustc benchmark failed to produce timing data\nSTDOUT:\n{}\n\nSTDERR:{timings}\n",
+            String::from_utf8_lossy(&output.stdout)
+        );
+    }
+
     let version = get_rustc_perf_commit();
     let collection = conn.collection_id(&version).await;
 

Original file line number	Diff line number	Diff line change
`@@ -144,6 +144,14 @@ async fn record(`
`144`	`144`	`}`
`145`	`145`	`}`
`146`	`146`
	`147`	`+ // Sanity check`
	`148`	`+ if timing_data.is_empty() {`
	`149`	`+ log::warn!(`
	`150`	`+ "rustc benchmark failed to produce timing data\nSTDOUT:\n{}\n\nSTDERR:{timings}\n",`
	`151`	`+ String::from_utf8_lossy(&output.stdout)`
	`152`	`+ );`
	`153`	`+ }`
	`154`	`+`
`147`	`155`	`let version = get_rustc_perf_commit();`
`148`	`156`	`let collection = conn.collection_id(&version).await;`
`149`	`157`