diff --git a/meta/classes-global/insane.bbclass b/meta/classes-global/insane.bbclass
index cd26bf5eb9..152bef8ad5 100644
--- a/meta/classes-global/insane.bbclass
+++ b/meta/classes-global/insane.bbclass
@@ -1332,6 +1332,13 @@ python do_qa_patch() {
     elif os.path.exists(os.path.join(srcdir, "Makefile.in")) and (match_line_in_files(srcdir, "**/Makefile.in", r'\s*TESTS\s*\+?=') or match_line_in_files(srcdir,"**/*.at",r'.*AT_INIT')):
         oe.qa.handle_error("unimplemented-ptest", "%s: autotools-based tests detected" % d.getVar('PN'), d)
 
+    # Detect cargo-based tests
+    elif os.path.exists(os.path.join(srcdir, "Cargo.toml")) and (
+        match_line_in_files(srcdir, "**/*.rs", r'\s*#\s*\[\s*test\s*\]') or 
+        match_line_in_files(srcdir, "**/*.rs", r'\s*#\s*\[\s*cfg\s*\(\s*test\s*\)\s*\]')
+    ):
+        oe.qa.handle_error("unimplemented-ptest", "%s: cargo-based tests detected" % d.getVar('PN'), d)
+
     # Last resort, detect a test directory in sources
     elif os.path.exists(srcdir) and any(filename.lower() in ["test", "tests"] for filename in os.listdir(srcdir)):
         oe.qa.handle_error("unimplemented-ptest", "%s: test subdirectory detected" % d.getVar('PN'), d)