2 files changed, 4 insertions, 0 deletions
diff --git a/src/test/rustdoc-ui/c-help.rs b/src/test/rustdoc-ui/c-help.rs
index f63e8b08ecd..e166edf8b61 100644
--- a/src/test/rustdoc-ui/c-help.rs
+++ b/src/test/rustdoc-ui/c-help.rs
@@ -1,4 +1,6 @@
 // check-pass
 // compile-flags: -Chelp
+// check-stdout
+// regex-error-pattern: -C\s+incremental
 
 pub struct Foo;
diff --git a/src/test/rustdoc-ui/z-help.rs b/src/test/rustdoc-ui/z-help.rs
index 036c68c272b..c7cf841b937 100644
--- a/src/test/rustdoc-ui/z-help.rs
+++ b/src/test/rustdoc-ui/z-help.rs
@@ -1,4 +1,6 @@
 // check-pass
 // compile-flags: -Zhelp
+// check-stdout
+// regex-error-pattern: -Z\s+self-profile
 
 pub struct Foo;