Adding a note to hint --nocapture usage

src/cargo/ops/cargo_test.rs

@@ -442,14 +442,9 @@ fn report_test_error(
         err = test_error.context(err);
     }
 
-    crate::display_error(&err, &mut ws.gctx().shell());
-
-    let harness: bool = unit_err.unit.target.harness();
-    let nocapture: bool = test_args.contains(&"--nocapture");
-
-    if !is_simple && executed && harness && !nocapture {
-        drop(ws.gctx().shell().note(
-            "test exited abnormally; to see the full output pass --nocapture to the harness.",
-        ));
-    }
+    crate::display_error(&err, &mut ws.config().shell());
+    drop(ws.config().shell().note(
+        "test was terminated by the signal, stderr might be truncated, \
+            pass `--nocapture` disable output buffering.",
+    ));
 }