[Swift CI] Build Failure: 0. OSS - Swift Incremental RA - Ubuntu 16.04 - Long Test (main) #7926

# [FAILURE] oss-swift-incremental-RA-linux-ubuntu-16_04-long-test [#7926]

Build URL: https://ci.swift.org/job/oss-swift-incremental-RA-linux-ubuntu-16_04-long-test/7926/
Project: oss-swift-incremental-RA-linux-ubuntu-16_04-long-test
Date of build: Wed, 24 Mar 2021 00:19:00 -0500
Build duration: 57 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 b93688c537ab9be3ab4110d9551ea3ad87ebc3a1 by dgregor:

Propagate "unsafe" global actors more freely.

  • edit: test/Concurrency/actor_isolation_unsafe.swift

  • edit: lib/Sema/TypeCheckConcurrency.cpp

  • Commit 00533e87128af23977b9bf15623c17367a82f560 by dave:

    [NFC] Change magic emoji to __

    • edit: test/ModuleInterface/invalid-opaque-result-types.swift
    • edit: lib/AST/ASTPrinter.cpp
    • edit: test/AutoDiff/compiler_crashers_fixed/sr12656-differentiation-opaque-result-type.swift
    • edit: test/SILGen/opaque_result_type_class_property.swift
    • edit: test/SILOptimizer/specialize_opaque_type_archetypes.swift
    • edit: test/SILGen/opaque_result_type_fragile.swift
    • edit: test/SILGen/opaque_result_type_private.swift
    • edit: test/SILGen/opaque_result_type.swift
  • Commit 41743222a2ef99d2c511f1dbb01200adf1a12c3e by z.zoelec2:

    [cxx-interop] Don't instantiate empty class template specializations.

    • edit: lib/ClangImporter/ImportDecl.cpp
    • edit: test/Interop/Cxx/templates/Inputs/explicit-class-specialization.h
    • add: test/Interop/Cxx/templates/explicit-class-specialization-module-interface.swift
  • Commit dc7d83885372f409bc49a80cd8857c2c022b34df by mikeash:

    [Runtime] Accept nil in swift_getObjCClassFromMetadata.

    • edit: stdlib/public/runtime/Metadata.cpp
  • Commit a10973693760e8c6d9ec0fe17b91df1151a44fe6 by dgregor:

    Make sure that imported @MainActor shows up in the interface.

    • edit: lib/ClangImporter/ImportDecl.cpp
    • edit: lib/AST/Attr.cpp
    • edit: test/IDE/print_clang_objc_async.swift

New issue found!