diff --git a/llvm/utils/lit/lit/display.py b/llvm/utils/lit/lit/display.py
--- a/llvm/utils/lit/lit/display.py
+++ b/llvm/utils/lit/lit/display.py
@@ -86,7 +86,7 @@
                                      errors="replace")
                 except UnicodeDecodeError:
                     pass
-                out = out.decode(encoding=sys.stdout.encoding)
+                out = out.decode(encoding=sys.stdout.encoding, errors="ignore")
             print(out)
             print("*" * 20)