suppress-filesystem-errors-with-bindfs-in-drupal-core.patch

diff --git a/lib/Drupal/Component/PhpStorage/FileStorage.php b/lib/Drupal/Component/PhpStorage/FileStorage.php
index 63b3cbe..c1d8170 100644
--- a/lib/Drupal/Component/PhpStorage/FileStorage.php
+++ b/lib/Drupal/Component/PhpStorage/FileStorage.php
@@ -164,7 +164,7 @@ EOF;
       if (is_dir($directory)) {
         // Avoid writing permissions if possible.
         if (fileperms($directory) !== $mode) {
-          return chmod($directory, $mode);
+          return @chmod($directory, $mode);
         }
         return TRUE;
       }
diff --git a/lib/Drupal/Component/PhpStorage/MTimeProtectedFastFileStorage.php b/lib/Drupal/Component/PhpStorage/MTimeProtectedFastFileStorage.php
index c7e6feb..a49cd19 100644
--- a/lib/Drupal/Component/PhpStorage/MTimeProtectedFastFileStorage.php
+++ b/lib/Drupal/Component/PhpStorage/MTimeProtectedFastFileStorage.php
@@ -73,7 +73,7 @@ class MTimeProtectedFastFileStorage extends FileStorage {
     }
     // The file will not be chmod() in the future so this is the final
     // permission.
-    chmod($temporary_path, 0444);
+    @chmod($temporary_path, 0444);
 
     // Determine the exact modification time of the file.
     $mtime = $this->getUncachedMTime($temporary_path);
@@ -97,7 +97,7 @@ class MTimeProtectedFastFileStorage extends FileStorage {
     // Hence updating the mtime here is comparable to pointing a symbolic link
     // at a new target, i.e., the newly created file.
     if ($result) {
-      $result &= touch($directory . '/', $mtime);
+      $result &= @touch($directory . '/', $mtime);
     }
 
     return (bool) $result;

When using DrupalVM with BindFS enabled, Drupal will produce dozens of warnings in drupal_set_message().