[Swift CI] Build Failure: OSS - Swift Package - OS X (release/5.3) #301

# [FAILURE] oss-swift-5.3-package-osx [#301]

Build URL: https://ci.swift.org/job/oss-swift-5.3-package-osx/301/
Project: oss-swift-5.3-package-osx
Date of build: Sat, 20 Jun 2020 07:04:25 -0500
Build duration: 52 min

Identified problems:- Sandbox issue: Known sandbox issue

Changes- No Changes