[Swift CI] Build Failure: OSS - Swift Package - Ubuntu 16.04 (main) #5747

# [FAILURE] oss-swift-package-linux-ubuntu-16_04 [#5747]

Build URL: https://ci.swift.org/job/oss-swift-package-linux-ubuntu-16_04/5747/
Project: oss-swift-package-linux-ubuntu-16_04
Date of build: Fri, 18 Dec 2020 07:42:34 -0600
Build duration: 2 hr 12 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 27044d5ac53ee3af406b190983a6d98b5fa982e3 by github:

reduce the max concurrent operation performed when loading manifests (#3130)

  • edit: Sources/Basics/ConcurrencyHelpers.swift

  • edit: Sources/SourceControl/RepositoryManager.swift

  • edit: Sources/Workspace/Workspace.swift

  • Commit 3aca7acc7edda5158046d43a0399ff9e5c3374df by github:

    Enable explicitly declared executable targets by default, now that SE-0294 has been accepted, and adjust the PackageDescription documentation. (#3126)

    • edit: Sources/PackageDescription/Target.swift
    • edit: Documentation/PackageDescription.md
    • edit: Sources/PackageLoading/PackageBuilder.swift
  • Commit f2223c66932a4385393eeb2b8c4adbe2c9a84b61 by github:

    load the graph after swift package update to show any errors (#3125)

    • edit: Sources/Commands/SwiftPackageTool.swift