[Swift CI] Build Failure: OSS - Swift Package - OS X (master) #4883

# [FAILURE] oss-swift-package-osx [#4883]

Build URL: https://ci.swift.org/job/oss-swift-package-osx/4883/
Project: oss-swift-package-osx
Date of build: Mon, 22 Jun 2020 07:36:30 -0500
Build duration: 52 min

Identified problems:- Sandbox issue: Known sandbox issue

Changes- No Changes