updating oss-performance to work with recent changes to invariant sig…

base/BuildChecker.php

@@ -39,7 +39,7 @@ public static function Check(
       if ($skipKeys->contains($k)) {
         continue;
       }
-      invariant(is_array($v), $k.' is not an array');
+      invariant(is_array($v), '%s', $k.' is not an array');
       $v = self::MakeCheckedValue($v);
       if ($v['OK']) {
         continue;

base/PerfRunner.php

@@ -84,6 +84,7 @@ private static function RunWithOptionsAndEngine(
     Process::sleepSeconds($options->delayPhpStartup);
     invariant(
       $php_engine->isRunning(),
+      '%s',
       'Failed to start '.get_class($php_engine),
     );
 
@@ -114,6 +115,7 @@ private static function RunWithOptionsAndEngine(
       invariant(!$siege->isRunning(), 'Siege is still running :/');
       invariant(
         $php_engine->isRunning(),
+        '%s',
         get_class($php_engine).' crashed',
       );
     } else {
@@ -130,6 +132,7 @@ private static function RunWithOptionsAndEngine(
       invariant(!$siege->isRunning(), 'Siege is still running :/');
       invariant(
         $php_engine->isRunning(),
+        '%s',
         get_class($php_engine).' crashed',
       );
     } else {

base/PerfTarget.php

@@ -30,6 +30,7 @@ final public function sanityCheck(): void {
     $content = file_get_contents($url, /* include path = */ false, $ctx);
     invariant(
       strstr($content, $this->getSanityCheckString()) !== false,
+      '%s',
       'Failed to find string "'.$this->getSanityCheckString().'" in '.$url,
     );
   }

base/Siege.php

@@ -146,7 +146,7 @@ protected function getArguments(): Vector<string> {
         return $arguments;
       default:
         invariant_violation(
-          'Unexpected request mode: '.(string) $this->mode,
+          '%s', 'Unexpected request mode: '.(string) $this->mode,
         );
     }
   }

targets/wordpress/WordpressTarget.php

@@ -100,6 +100,7 @@ private function unfreezeRequest(PerfOptions $options): void {
     $data = file_get_contents($url, /* include path = */ false, $ctx);
     invariant(
       $data !== false,
+      '%s',
       'Failed to unfreeze '.
       $url.
       ' after '.