Update to Drupal 8.0.5. For more information, see https://www.drupal.org/node/2679347

core/modules/user/config/schema/user.views.schema.yml

@@ -27,13 +27,10 @@ views.argument.user__roles_rid:
   type: views.argument.many_to_one
   label: 'Role ID'
 
-views.argument_validator.user:
-  type: mapping
+views.argument_validator.entity:user:
+  type: views.argument_validator_entity
   label: 'User'
   mapping:
-    type:
-      type: string
-      label: 'Type of user filter value to allow'
     restrict_roles:
       type: boolean
       label: 'Restrict user based on role'

core/modules/user/src/PrivateTempStore.php

@@ -79,8 +79,10 @@ class PrivateTempStore {
    *   of key/value pairs.
    * @param \Drupal\Core\Lock\LockBackendInterface $lock_backend
    *   The lock object used for this data.
-   * @param mixed $owner
-   *   The owner key to store along with the data (e.g. a user or session ID).
+   * @param \Drupal\Core\Session\AccountProxyInterface $current_user
+   *   The current user account.
+   * @param \Symfony\Component\HttpFoundation\RequestStack $request_stack
+   *   The request stack.
    * @param int $expire
    *   The time to live for items, in seconds.
    */

core/modules/user/src/Tests/UserAdminListingTest.php

@@ -80,6 +80,7 @@ class UserAdminListingTest extends WebTestBase {
         'status' => (string) $account->td[1],
         'roles' => $roles,
         'member_for' => (string) $account->td[3],
+        'last_access' => (string) $account->td[4],
       );
     }
 
@@ -92,6 +93,8 @@ class UserAdminListingTest extends WebTestBase {
     $this->assertEqual($result_accounts[$role_account_name]['roles'], $expected_roles, 'Ensure roles are listed properly.');
 
     $this->assertEqual($result_accounts[$timestamp_user]['member_for'], \Drupal::service('date.formatter')->formatTimeDiffSince($accounts[$timestamp_user]->created->value), 'Ensure the right member time is displayed.');
+
+    $this->assertEqual($result_accounts[$timestamp_user]['last_access'], 'never', 'Ensure the last access time is "never".');
   }
 
 }

core/modules/user/src/UserListBuilder.php

@@ -152,7 +152,7 @@ class UserListBuilder extends EntityListBuilder {
       '#items' => $users_roles,
     );
     $row['member_for'] = $this->dateFormatter->formatTimeDiffSince($entity->getCreatedTime());
-    $row['access'] = $entity->access ? $this->t('@time ago', array('@time' => $this->dateFormatter->formatTimeDiffSince($entity->getLastAccessedTime()))) : t('never');
+    $row['access'] = $entity->getLastAccessedTime() ? $this->t('@time ago', array('@time' => $this->dateFormatter->formatTimeDiffSince($entity->getLastAccessedTime()))) : t('never');
     return $row + parent::buildRow($entity);
   }