diff --git a/tests/rustdoc-ui/ice-bug-report-url.rs b/tests/rustdoc-ui/ice-bug-report-url.rs
index 2e384fa1be623..5aa82c438fa36 100644
--- a/tests/rustdoc-ui/ice-bug-report-url.rs
+++ b/tests/rustdoc-ui/ice-bug-report-url.rs
@@ -4,7 +4,7 @@
 
 //@ normalize-stderr: "note: compiler flags.*\n\n" -> ""
 //@ normalize-stderr: "note: rustc.*running on.*" -> "note: rustc {version} running on {platform}"
-//@ normalize-stderr: "thread.*panicked at compiler.*" -> ""
+//@ normalize-stderr: "thread 'rustc'.*panicked.*:\n.*\n" -> ""
 //@ normalize-stderr: " +\d{1,}: .*\n" -> ""
 //@ normalize-stderr: " + at .*\n" -> ""
 //@ normalize-stderr: ".*note: Some details are omitted.*\n" -> ""
diff --git a/tests/rustdoc-ui/ice-bug-report-url.stderr b/tests/rustdoc-ui/ice-bug-report-url.stderr
index bc46b226a703e..01dac0433e630 100644
--- a/tests/rustdoc-ui/ice-bug-report-url.stderr
+++ b/tests/rustdoc-ui/ice-bug-report-url.stderr
@@ -5,8 +5,6 @@ LL | fn wrong()
    |          ^ expected one of `->`, `where`, or `{`
 
 
-
-aborting due to `-Z treat-err-as-bug=1`
 stack backtrace:
 
 error: the compiler unexpectedly panicked. This is a bug