[Swift CI] Build Failure: 0. OSS - Swift Incremental RA - Ubuntu 16.04 - Long Test (main) #6869

[swift-ci]

# [FAILURE] oss-swift-incremental-RA-linux-ubuntu-16_04-long-test [#6869]

Build URL: https://ci.swift.org/job/oss-swift-incremental-RA-linux-ubuntu-16_04-long-test/6869/
Project: oss-swift-incremental-RA-linux-ubuntu-16_04-long-test
Date of build: Sat, 26 Sep 2020 16:19:00 -0500
Build duration: 59 min

Identified problems:- Compile Error: This build failed because of a compile error. Below is a list of all errors in the build log:

• Indication 1
• Swift Compile Error: Swift compiler error
  • Indication 1

Changes- Commit b9e2fed4a15ee12582b082c955217d19dcc9af64 by compnerd:

Remove unnecessary import CoreFoundation on Windows

• edit: Sources/XCTest/Public/Asynchronous/XCTWaiter.swift