Build on Merge Request fails since updating to gitlab-plugin-1.1.14 about gitlab-plugin HOT 6 CLOSED

{
  "object_kind": "merge_request",
  "user": {
    "name": "Administrator",
    "username": "root",
    "avatar_url": "http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=40\u0026d=identicon"
  },
  "object_attributes": {
    "id": 99,
    "target_branch": "master",
    "source_branch": "ms-viewport",
    "source_project_id": 14,
    "author_id": 51,
    "assignee_id": 6,
    "title": "MS-Viewport",
    "created_at": "2013-12-03T17:23:34Z",
    "updated_at": "2013-12-03T17:23:34Z",
    "st_commits": null,
    "st_diffs": null,
    "milestone_id": null,
    "state": "opened",
    "merge_status": "unchecked",
    "target_project_id": 14,
    "iid": 1,
    "description": "",
    "source": {
      "name": "awesome_project",
      "ssh_url": "ssh://[email protected]/awesome_space/awesome_project.git",
      "http_url": "http://example.com/awesome_space/awesome_project.git",
      "visibility_level": 20,
      "namespace": "awesome_space"
    },
    "target": {
      "name": "awesome_project",
      "ssh_url": "ssh://[email protected]/awesome_space/awesome_project.git",
      "http_url": "http://example.com/awesome_space/awesome_project.git",
      "visibility_level": 20,
      "namespace": "awesome_space"
    },
    "last_commit": {
      "id": "da1560886d4f094c3e6c9ef40349f7d38b5d27d7",
      "message": "fixed readme",
      "timestamp": "2012-01-03T23:36:29+02:00",
      "url": "http://example.com/awesome_space/awesome_project/commits/da1560886d4f094c3e6c9ef40349f7d38b5d27d7",
      "author": {
        "name": "GitLab dev user",
        "email": "gitlabdev@dv6700.(none)"
      }
    },
    "url": "http://example.com/diaspora/merge_requests/1",
    "action": "open"
  }
}