[Swift CI] Build Failure: 0. OSS - Swift Incremental RA - Ubuntu 16.04 (main) #15664

# [FAILURE] oss-swift-incremental-RA-linux-ubuntu-16_04 [#15664]

Build URL: https://ci.swift.org/job/oss-swift-incremental-RA-linux-ubuntu-16_04/15664/
Project: oss-swift-incremental-RA-linux-ubuntu-16_04
Date of build: Mon, 01 Feb 2021 15:30:10 -0600
Build duration: 51 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 14df4d13104dfd1519db59d8de8e7900f7197559 by tkientzle:

Compatibility for Optional -> AnyHashable casts

  • edit: test/Casting/Casts.swift

  • edit: stdlib/public/runtime/DynamicCast.cpp

  • Commit 5aaabfd5a2f1029c5f8038a59b6bae6800b01ebf by tkientzle:

    Fix spelling of DynamicCastResult

    • edit: stdlib/public/runtime/DynamicCast.cpp
  • Commit 067beb18f94b38902d2dc4dc5426c827814e2447 by tkientzle:

    Accessing nil-keyed elements is trickier than I thought

    • edit: test/Casting/Casts.swift
  • Commit 79728f8eb5e862e5280035dfcfcb2fa41024af5b by schuett:

    Add missing line-break in .clang-format

    • edit: .clang-format
  • Commit 666bd038a15f4caa270dc124134ebaa6cdd4eee3 by github:

    Fix typo in AttributeNodes.py

    • edit: utils/gyb_syntax_support/AttributeNodes.py
  • Commit 086dc14008a6cdd95c9a6739d76915eb5343174b by tkientzle:

    Don't link-check the Optional/AnyHashable workaround

    • edit: test/Casting/Casts.swift
    • edit: stdlib/public/runtime/DynamicCast.cpp
  • Commit 748339a83a016b7ab718bc075207c19689c0ba02 by github:

    [test] Mark concurrency tests with appropiate REQUIRES. (#35624)

    • edit: test/SILOptimizer/optimize_hop_to_executor.sil
    • edit: test/SourceKit/CursorInfo/cursor_info_concurrency.swift
    • edit: test/IDE/complete_asyncannotation.swift
    • edit: test/IDE/complete_concurrency_keyword.swift
    • edit: test/IDE/complete_concurrency_specifier.swift
    • edit: test/IDE/complete_async_context.swift
    • edit: test/TBD/async-function-pointer.swift
    • edit: validation-test/compiler_crashers_2_fixed/rdar71260972.sil
  • Commit 19a4df331c3de41dac1b2d069cbda863ed0f24e5 by github:

    [Test] Propagate XDG_CACHE_HOME to lit tests

    • edit: test/lit.cfg
    • edit: test/Unit/lit.cfg
  • Commit efbc4edf90faae7fc5c666afc15eb515322e07bb by github:

    Fix formatting in PackageDescription.md (#3231)

    • edit: Documentation/PackageDescription.md