[Swift CI] Build Failure: 0. OSS - Swift Incremental RA - Ubuntu 16.04 (main) #15689

# [FAILURE] oss-swift-incremental-RA-linux-ubuntu-16_04 [#15689]

Build URL: https://ci.swift.org/job/oss-swift-incremental-RA-linux-ubuntu-16_04/15689/
Project: oss-swift-incremental-RA-linux-ubuntu-16_04
Date of build: Wed, 03 Feb 2021 14:46:47 -0600
Build duration: 52 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 20b882a14e547cec246c7eda4f51108abfedacc4 by mgottesman:

[ownership] Move OME on the stdlib passed the existential specializer/performance constant prop.

  • edit: lib/SILOptimizer/PassManager/PassPipeline.cpp

  • Commit 8a81052e8f2f891afadbf432f0f36f420840b29b by jgroff:

    SILGen: Unwrap optional async callback arguments if imported return is unbridged and not optional

    • edit: lib/SILGen/SILGenThunk.cpp
    • edit: test/SILGen/objc_async.swift
    • edit: test/Inputs/clang-importer-sdk/usr/include/ObjCConcurrency.h
  • Commit 487c03b68123fcf33997da5ed58ced9c5c701a13 by compnerd:

    SourceKitLSP: handle process termination better

    • edit: Sources/SourceKitLSP/Clang/ClangLanguageServer.swift
  • Commit 78e84a9df0ffbbaade90877ef5e29f2e350a186f by github:

    [Collections] Add and wire up models for signed package collections (#3229)

    • add: Fixtures/Collections/JSON/good_signed.json
    • edit: Sources/PackageCollections/Model/Collection.swift
    • edit: Tests/PackageCollectionsTests/PackageCollectionsTests.swift
    • edit: Sources/PackageCollectionsModel/PackageCollectionModel+v1.swift
    • edit: Tests/PackageCollectionsTests/JSONPackageCollectionProviderTests.swift
    • edit: Tests/PackageCollectionsTests/Utility.swift
    • edit: Tests/PackageCollectionsModelTests/PackageCollectionModelTests.swift
    • edit: Sources/PackageCollections/Providers/JSONPackageCollectionProvider.swift