[Swift CI] Build Failure: OSS - Swift Package - Ubuntu 16.04 (main) #5503

# [FAILURE] oss-swift-package-linux-ubuntu-16_04 [#5503]

Build URL: https://ci.swift.org/job/oss-swift-package-linux-ubuntu-16_04/5503/
Project: oss-swift-package-linux-ubuntu-16_04
Date of build: Sun, 04 Oct 2020 03:04:24 -0500
Build duration: 1 hr 15 min

Changes- Commit 14e6772dc04cf778ba393bebc21a0a8b8ada3603 by alaferriere:

Consider inherited platform unavailability to silence diagnostics

  • edit: lib/Sema/TypeCheckAvailability.cpp

  • edit: test/attr/attr_availability_maccatalyst.swift

  • Commit 9294c0768731b1f8e56313814ea6ccdae8cab561 by compnerd:

    CI: add concurrency to the Windows CI set

    • edit: utils/build-windows.bat
  • Commit 573886d5d60f84abc881b74b631288d94839b16f by davelee:

    [build] Remove forced tracing of lldb dotest

    • edit: utils/build-script-impl
  • Commit c332bb7f0ef02bc32c684a16c9d0b015abea8d8c by compnerd:

    FoundationNetworking: make CFURLSessionInterface @_implementationOnly

    • edit: Sources/FoundationNetworking/URLSession/HTTP/HTTPURLProtocol.swift
    • edit: Sources/FoundationNetworking/URLSession/BodySource.swift
    • edit: Sources/FoundationNetworking/URLSession/libcurl/MultiHandle.swift
    • edit: Sources/FoundationNetworking/URLSession/libcurl/EasyHandle.swift
    • edit: Sources/FoundationNetworking/URLSession/libcurl/libcurlHelpers.swift