[Swift CI] Build Failure: 0. OSS - Swift Incremental RA - Ubuntu 16.04 (main) #15601

# [FAILURE] oss-swift-incremental-RA-linux-ubuntu-16_04 [#15601]

Build URL: https://ci.swift.org/job/oss-swift-incremental-RA-linux-ubuntu-16_04/15601/
Project: oss-swift-incremental-RA-linux-ubuntu-16_04
Date of build: Mon, 25 Jan 2021 02:31:52 -0600
Build duration: 53 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 dc6a5c4e543c9b0ed79bc568b1c23003a7b62c57 by devteam.codafi:

[NFC] Convert a Tuple into a Formal Type of Changed Inputs

  • edit: Sources/SwiftDriver/IncrementalCompilation/IncrementalCompilationState.swift

  • Commit 088f510925a9cefbba81fb2d11d03eb54f74c183 by devteam.codafi:

    [Gardening] Document InputInfo

    • edit: Sources/SwiftDriver/IncrementalCompilation/InputInfo.swift
  • Commit 657b202917a3a5c6e5310f3f74ccebf073abd326 by devteam.codafi:

    Add an Analog to Dictionary.subscript[_:default:] to Multidictionary

    • edit: Sources/SwiftDriver/IncrementalCompilation/Multidictionary.swift
  • Commit 7c3af5d221ff9ccd41b4ec565def390ced9547ed by devteam.codafi:

    Untangle Use Lookup APIs as Explicit Sequences

    • edit: Sources/SwiftDriver/IncrementalCompilation/ModuleDependencyGraph.swift
    • edit: Sources/SwiftDriver/IncrementalCompilation/ModuleDependencyGraphParts/NodeFinder.swift
    • edit: Sources/SwiftDriver/IncrementalCompilation/ModuleDependencyGraphParts/Tracer.swift
    • edit: Sources/SwiftDriver/IncrementalCompilation/IncrementalCompilationState.swift
    • edit: Tests/SwiftDriverTests/ModuleDependencyGraphTests.swift
  • Commit e83d5ed11f7fb4fccb1f329ecdf3b58f7dc0b113 by devteam.codafi:

    Break Down Result of NodeFinder Sequences

    • edit: Tests/SwiftDriverTests/ModuleDependencyGraphTests.swift
    • edit: Sources/SwiftDriver/IncrementalCompilation/ModuleDependencyGraphParts/Tracer.swift
    • edit: Sources/SwiftDriver/IncrementalCompilation/IncrementalCompilationState.swift
    • edit: Sources/SwiftDriver/IncrementalCompilation/ModuleDependencyGraphParts/NodeFinder.swift
    • edit: Sources/SwiftDriver/IncrementalCompilation/ModuleDependencyGraph.swift
  • Commit f6a109bd81ab04c50ab01716afbe0e8f0dd415f1 by devteam.codafi:

    [NFC] Break down a Karnaugh Map

    • edit: Sources/SwiftDriver/IncrementalCompilation/IncrementalCompilationState.swift