[Swift CI] Build Failure: OSS - Swift Package - Ubuntu 16.04 (release/5.4) #61

# [FAILURE] oss-swift-5.4-package-linux-ubuntu-16_04 [#61]

Build URL: https://ci.swift.org/job/oss-swift-5.4-package-linux-ubuntu-16_04/61/
Project: oss-swift-5.4-package-linux-ubuntu-16_04
Date of build: Wed, 06 Jan 2021 04:24:02 -0600
Build duration: 1 hr 4 min

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

Changes- Commit 6fabb0fc4f362c154d7998aaa59909b3170be80d by github:

Add missing dispatch group leave in case of download artifacts download fail (#3149)

  • edit: Sources/Workspace/Workspace.swift

  • Commit 0b30191dc71e6d0ea5f09eba2cc9fadd1f864bde by github:

    improve manifest loader concurrency and tests (#3160)

    • edit: Sources/PackageLoading/ManifestLoader.swift
    • edit: Tests/CommandsTests/PackageToolTests.swift
    • edit: Tests/PackageLoadingTests/PD4_2LoadingTests.swift
    • edit: Sources/Basics/ConcurrencyHelpers.swift
  • Commit bb0d6f771c102f5d2354e63a97caa609e9ac1196 by github:

    [Gardening] change horizontal tabs to correct number of spaces for indentation (#3153)

    • edit: Tests/XcodeprojTests/PackageGraphTests.swift
    • edit: Sources/Workspace/Workspace.swift
    • edit: Tests/PackageLoadingTests/PackageBuilderTests.swift