diff --git a/tests/testsuite/doc.rs b/tests/testsuite/doc.rs
index 55edb44e4ff..5b0aef63a45 100644
--- a/tests/testsuite/doc.rs
+++ b/tests/testsuite/doc.rs
@@ -679,8 +679,8 @@ fn output_not_captured() {
 
     p.cargo("doc")
         .without_status()
-        .with_stderr_contains("1 | ☃")
-        .with_stderr_contains(r"error: unknown start of token: \u{2603}")
+        .with_stderr_contains("[..]☃")
+        .with_stderr_contains(r"[..]unknown start of token: \u{2603}")
         .run();
 }