[Swift CI] Build Failure: 0. OSS - Swift Incremental RA - Ubuntu 18.04 - Long Test (master) #4071

# [FAILURE] oss-swift-incremental-RA-linux-ubuntu-18_04-long-test [#4071]

Build URL: https://ci.swift.org/job/oss-swift-incremental-RA-linux-ubuntu-18_04-long-test/4071/
Project: oss-swift-incremental-RA-linux-ubuntu-18_04-long-test
Date of build: Sat, 18 Jul 2020 14:39:01 -0500
Build duration: 2 hr 18 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 792ddd9efdb70eb39e0fc52a02f37d01a00cb7ba by owen:

Drop the executor default argument value in Driver's init

  • add: Tests/SwiftDriverTests/Helpers/DriverExtensions.swift

  • edit: Sources/SwiftDriver/Driver/Driver.swift

  • Commit 4bbe7c25fd729f689c87947eecca00257e541f48 by owen:

    [Explicit Modules] Use @_spi for types exposed only for testing

    • edit: Sources/SwiftDriver/Explicit Module Builds/ExplicitModuleBuildHandler.swift
    • edit: Sources/SwiftDriver/Explicit Module Builds/InterModuleDependencyGraph.swift
    • edit: Tests/SwiftDriverTests/ExplicitModuleBuildTests.swift
    • edit: Sources/SwiftDriver/Driver/Driver.swift