diff --git a/etc/run_in_headless_android_emulator.py b/etc/run_in_headless_android_emulator.py
index a3b5d573ef95..e7c2f5c8fa36 100755
--- a/etc/run_in_headless_android_emulator.py
+++ b/etc/run_in_headless_android_emulator.py
@@ -66,8 +66,6 @@ def main(avd_name, apk_path, *args):
         # in case they say something useful while we wait in subsequent steps.
         logcat_args = [
             "--format=raw",  # Print no metadata, only log messages
-            "simpleservo:D",  # Show (debug level) Rust stdio
-            "*:S",  # Hide everything else
         ]
         with terminate_on_exit(adb + ["logcat"] + logcat_args) as logcat:
 
diff --git a/python/servo/testing_commands.py b/python/servo/testing_commands.py
index bd0271765f1f..5fcf915dff6b 100644
--- a/python/servo/testing_commands.py
+++ b/python/servo/testing_commands.py
@@ -605,11 +605,11 @@ def test_android_startup(self, release, dev):
         process = subprocess.Popen(args, stdout=subprocess.PIPE)
         try:
             while 1:
-                line = process.stdout.readline()
+                line = process.stdout.readline().decode('ascii', 'replace')
                 if len(line) == 0:
                     print("EOF without finding the expected line")
                     return 1
-                print(line.rstrip())
+                sys.stdout.write(line)
                 if "JavaScript is running!" in line:
                     break
         finally: