FutureKit build errors with Xcode 9

build.log

/usr/bin/xcrun xcodebuild -workspace /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit.xcworkspace -scheme FutureKit\ iOS -configuration Release -derivedDataPath /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0 -sdk iphoneos ONLY_ACTIVE_ARCH=NO BITCODE_GENERATION_MODE=bitcode CODE_SIGNING_REQUIRED=NO CODE_SIGN_IDENTITY= CARTHAGE=YES clean buildUser defaults from command line:
    IDEDerivedDataPathOverride = /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0

Build settings from command line:
    BITCODE_GENERATION_MODE = bitcode
    CARTHAGE = YES
    CODE_SIGN_IDENTITY = 
    CODE_SIGNING_REQUIRED = NO
    ONLY_ACTIVE_ARCH = NO
    SDKROOT = iphoneos11.0

--- xcodebuild: WARNING: Unable to open project file '/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/Welcome To FutureKit - The Playground.playground' in workspace '/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit.xcworkspace'.
=== CLEAN TARGET FutureKit iOS OF PROJECT FutureKit WITH CONFIGURATION Release ===

Check dependencies

Clean.Remove clean /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Products/Release-iphoneos/FutureKit.framework
    builtin-rm -rf /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Products/Release-iphoneos/FutureKit.framework

Clean.Remove clean /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build
    builtin-rm -rf /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build

Clean.Remove clean /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Products/Release-iphoneos/FutureKit.framework.dSYM
    builtin-rm -rf /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Products/Release-iphoneos/FutureKit.framework.dSYM

** CLEAN SUCCEEDED **

=== BUILD TARGET FutureKit iOS OF PROJECT FutureKit WITH CONFIGURATION Release ===

Check dependencies

Write auxiliary files
write-file /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/FutureKit-all-target-headers.hmap
write-file /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/module.modulemap
write-file /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/swift-overrides.hmap
/bin/mkdir -p /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/Objects-normal/arm64
write-file /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/Objects-normal/arm64/FutureKit.LinkFileList
write-file /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/all-product-headers.yaml
/bin/mkdir -p /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/Objects-normal/armv7
write-file /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/Objects-normal/armv7/FutureKit\ iOS-OutputFileMap.json
write-file /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/Objects-normal/arm64/FutureKit\ iOS-OutputFileMap.json
write-file /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/FutureKit-project-headers.hmap
write-file /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/Objects-normal/armv7/FutureKit.LinkFileList
write-file /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/FutureKit.hmap
write-file /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/unextended-module.modulemap
write-file /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/unextended-module-overlay.yaml
write-file /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/FutureKit-own-target-headers.hmap
write-file /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/FutureKit-generated-files.hmap
write-file /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/FutureKit-all-non-framework-target-headers.hmap
/bin/mkdir -p /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/DerivedSources
write-file /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/DerivedSources/FutureKit_vers.c

Create product structure
/bin/mkdir -p /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Products/Release-iphoneos/FutureKit.framework/Modules
/bin/mkdir -p /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Products/Release-iphoneos/FutureKit.framework/Headers

ProcessInfoPlistFile /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Products/Release-iphoneos/FutureKit.framework/Info.plist FutureKit/Info.plist
    cd /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit
    export PATH="/Applications/Xcode-9.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Applications/Xcode-9.app/Contents/Developer/usr/bin:/Users/klundberg/bin:/Users/klundberg/.dotfiles/bin:/Users/klundberg/.swiftenv/shims:/Users/klundberg/.rbenv/shims:/opt/X11/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin"
    builtin-infoPlistUtility /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Info.plist -expandbuildsettings -format binary -platform iphoneos -o /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Products/Release-iphoneos/FutureKit.framework/Info.plist

CompileSwiftSources normal arm64 com.apple.xcode.tools.swift.compiler
    cd /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit
    export DEVELOPER_DIR=/Applications/Xcode-9.app/Contents/Developer
    export PATH="/Applications/Xcode-9.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Applications/Xcode-9.app/Contents/Developer/usr/bin:/Users/klundberg/bin:/Users/klundberg/.dotfiles/bin:/Users/klundberg/.swiftenv/shims:/Users/klundberg/.rbenv/shims:/opt/X11/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin"
    export SDKROOT=/Applications/Xcode-9.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS11.0.sdk
    /Applications/Xcode-9.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -incremental -module-name FutureKit -Ounchecked -whole-module-optimization -sdk /Applications/Xcode-9.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS11.0.sdk -target arm64-apple-ios8.0 -g -module-cache-path /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/ModuleCache -Xfrontend -serialize-debugging-options -embed-bitcode -index-store-path /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build-IndexDataStore -swift-version 3 -I /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Products/Release-iphoneos -F /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Products/Release-iphoneos -c -num-threads 8 /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/ExtensionVars.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/OSAtomicInt.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/FoundationExtensions/FutureThread.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/FutureBatch.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/ErrorTypes.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/FoundationExtensions/NSData-Ext.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/FutureFIFO.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Executor.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/OSFeature.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Synchronization.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/SyncWaitHandler.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/FoundationExtensions/NSOperation+FutureKit.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/FoundationExtensions/NSFileManager-Ext.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Completion.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/NSObject-Ext-ThreadSafe.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/FoundationExtensions/FutureCache.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/Tuples.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Promise.swift -output-file-map /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/Objects-normal/arm64/FutureKit\ iOS-OutputFileMap.json -parseable-output -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/Objects-normal/arm64/FutureKit.swiftmodule -Xcc -I/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/swift-overrides.hmap -Xcc -iquote -Xcc /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/FutureKit-generated-files.hmap -Xcc -I/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/FutureKit-own-target-headers.hmap -Xcc -I/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/FutureKit-all-non-framework-target-headers.hmap -Xcc -ivfsoverlay -Xcc /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/all-product-headers.yaml -Xcc -iquote -Xcc /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/FutureKit-project-headers.hmap -Xcc -I/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Products/Release-iphoneos/include -Xcc -I/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/DerivedSources/arm64 -Xcc -I/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/DerivedSources -emit-objc-header -emit-objc-header-path /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/Objects-normal/arm64/FutureKit-Swift.h -import-underlying-module -Xcc -ivfsoverlay -Xcc /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/unextended-module-overlay.yaml -Xcc -working-directory/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit

CompileSwift normal arm64
    cd /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit
    /Applications/Xcode-9.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift -frontend -emit-bc /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/ExtensionVars.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/OSAtomicInt.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/FoundationExtensions/FutureThread.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/FutureBatch.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/ErrorTypes.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/FoundationExtensions/NSData-Ext.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/FutureFIFO.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Executor.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/OSFeature.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Synchronization.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/SyncWaitHandler.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/FoundationExtensions/NSOperation+FutureKit.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/FoundationExtensions/NSFileManager-Ext.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Completion.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/NSObject-Ext-ThreadSafe.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/FoundationExtensions/FutureCache.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/Tuples.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Promise.swift -target arm64-apple-ios8.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-9.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS11.0.sdk -I /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Products/Release-iphoneos -F /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Products/Release-iphoneos -g -import-underlying-module -module-cache-path /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/ModuleCache -swift-version 3 -serialize-debugging-options -Xcc "-I/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/swift-overrides.hmap" -Xcc -iquote -Xcc "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/FutureKit-generated-files.hmap" -Xcc "-I/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/FutureKit-own-target-headers.hmap" -Xcc "-I/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/FutureKit-all-non-framework-target-headers.hmap" -Xcc -ivfsoverlay -Xcc /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/all-product-headers.yaml -Xcc -iquote -Xcc "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/FutureKit-project-headers.hmap" -Xcc -I/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Products/Release-iphoneos/include -Xcc "-I/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/DerivedSources/arm64" -Xcc "-I/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/DerivedSources" -Xcc -ivfsoverlay -Xcc "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/unextended-module-overlay.yaml" -Xcc -working-directory/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit -emit-module-doc-path "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/arm64/FutureKit.swiftdoc" -serialize-diagnostics-path "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/arm64/ExtensionVars.dia" -Ounchecked -module-name FutureKit -emit-module-path "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/arm64/FutureKit.swiftmodule" -emit-objc-header-path "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/arm64/FutureKit-Swift.h" -emit-dependencies-path "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/arm64/ExtensionVars.d" -num-threads 8 -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/arm64/ExtensionVars.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/arm64/OSAtomicInt.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/arm64/FutureThread.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/arm64/Future.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/arm64/FutureBatch.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/arm64/ErrorTypes.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/arm64/NSData-Ext.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/arm64/FutureFIFO.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/arm64/Executor.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/arm64/OSFeature.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/arm64/Synchronization.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/arm64/SyncWaitHandler.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/arm64/NSOperation+FutureKit.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/arm64/NSFileManager-Ext.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/arm64/Completion.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/arm64/NSObject-Ext-ThreadSafe.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/arm64/FutureCache.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/arm64/Tuples.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/arm64/Promise.bc" -index-store-path /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build-IndexDataStore -index-system-modules
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/ExtensionVars.swift:169:52: warning: string interpolation produces a debug description for an optional value; did you mean to make this explicit?
            assertionFailure("found unknown value \(v) in getExtensionVar")
                                                   ^~~
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/ExtensionVars.swift:169:53: note: use 'String(describing:)' to silence this warning
            assertionFailure("found unknown value \(v) in getExtensionVar")
                                                   ~^~
                                                    String(describing:  )
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/ExtensionVars.swift:169:53: note: provide a default value to avoid this warning
            assertionFailure("found unknown value \(v) in getExtensionVar")
                                                   ~^~
                                                      ?? <#default value#>
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Synchronization.swift:59:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func lockAndModify(modifyBlock: @escaping () -> Void) {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Synchronization.swift:88:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func lockAndRead(readBlock: @escaping () -> Void) {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1197:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func onComplete<C: CompletionType>(_ block: @escaping (FutureResult<T>) throws -> C) -> Future<C.T> {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1212:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func onComplete<__Type>(_ executor: Executor = .primary, _ block:@escaping (_ result:FutureResult<T>) throws -> __Type) -> Future<__Type> {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1187:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func mapAs() -> Self {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1178:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func As() -> Self {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1656:13: error: generic parameter 'OptionalS' is not used in function signature
    func As<OptionalS: OptionalProtocol>() -> Future<OptionalS.Wrapped?> {
            ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1193:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func withCancelToken() -> (Self,CancellationToken) {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1332:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func onSuccess<C: CompletionType>(_ executor : Executor = .primary,
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1366:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func onSuccess<__Type>(_ executor : Executor = .primary,
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1385:31: warning: functions in a protocol extension do not need to be marked with 'final'
    @discardableResult public final func onFail(_ executor : Executor = .primary,
                              ^~~~~~
                              
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1406:31: warning: functions in a protocol extension do not need to be marked with 'final'
    @discardableResult public final func onFail<C:CompletionType>(_ executor : Executor = .primary,
                              ^~~~~~
                              
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1427:31: warning: functions in a protocol extension do not need to be marked with 'final'
    @discardableResult public final func onCancel(_ executor : Executor = .primary, block:@escaping ()-> Void) -> Future<T>
                              ^~~~~~
                              
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1447:31: warning: functions in a protocol extension do not need to be marked with 'final'
    @discardableResult public final func onCancel<C:CompletionType>(_ executor : Executor = .primary, block:@escaping ()-> C) -> Future<T> where C.T == T
                              ^~~~~~
                              
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1469:31: warning: functions in a protocol extension do not need to be marked with 'final'
    @discardableResult public final func onFailorCancel(_ executor : Executor = .primary,
                              ^~~~~~
                              
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1497:31: warning: functions in a protocol extension do not need to be marked with 'final'
    @discardableResult public final func onFailorCancel<C:CompletionType>(_ executor : Executor = .primary,
                              ^~~~~~
                              
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1522:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func onFailorCancel(_ executor : Executor = .primary,
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1541:31: warning: functions in a protocol extension do not need to be marked with 'final'
    @discardableResult public final func ignoreFailures() -> Self
                              ^~~~~~
                              
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1552:31: warning: functions in a protocol extension do not need to be marked with 'final'
    @discardableResult public final func assertOnFail() -> Self
                              ^~~~~~
                              
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1564:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func map<__Type>(_ executor : Executor = .primary, block:@escaping (T) throws -> __Type) -> Future<__Type> {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1569:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func mapError(_ executor : Executor = .primary, block:@escaping (Error) throws -> Error) -> Future<T> {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1581:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func waitUntilCompleted() -> FutureResult<T> {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1586:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func waitForResult() -> T? {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1590:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func _waitUntilCompletedOnMainQueue() -> FutureResult<T> {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1670:21: error: generic parameter 'OptionalS' is not used in function signature
    func AsOptional<OptionalS: OptionalProtocol>() -> Future<OptionalS.Wrapped?> {
                    ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Completion.swift:468:31: error: generic parameter 'O' is not used in function signature
    public func mapAsOptional<O : OptionalProtocol>() -> Completion<O.Wrapped?> {
                              ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Synchronization.swift:107:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func lockAndReadSync<T>(_ readBlock:@escaping () -> T) -> T {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Synchronization.swift:77:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func lockAndModifySync<T>(_ modifyBlock:@escaping () -> T) -> T {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Synchronization.swift:70:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func lockAndModifyAsync<T>(modifyBlock:@escaping () -> T, then : @escaping (T) -> Void) {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/ErrorTypes.swift:78:23: warning: conditional cast from 'Self' to 'NSErrorType' always succeeds
        return ((self as? NSErrorType) != nil)
                      ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/ErrorTypes.swift:82:22: warning: conditional cast from 'Self' to 'ErrorTypeMightBeCancellation' always succeeds
        return (self as? ErrorTypeMightBeCancellation)?.isCancellation ?? false
                     ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/ErrorTypes.swift:87:22: warning: conditional cast from 'Self' to 'ErrorTypeMightBeCancellation' always succeeds
        return (self as? ErrorTypeMightBeCancellation)?.toFutureResult() ?? .fail(self)
                     ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/ErrorTypes.swift:90:22: warning: conditional cast from 'Self' to 'ErrorTypeMightBeCancellation' always succeeds
        return (self as? ErrorTypeMightBeCancellation)?.toFutureCompletion() ?? .fail(self)
                     ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Executor.swift:811:73: warning: '+' is deprecated: Please use explicit type conversions or Strideable methods for mixed-type arithmetics.
                    let newDepth = NSNumber(value: currentDepth.intValue+1 as Int32)
                                                                        ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Executor.swift:811:73: warning: '+' is deprecated: Please use explicit type conversions or Strideable methods for mixed-type arithmetics.
                    let newDepth = NSNumber(value: currentDepth.intValue+1 as Int32)
                                                                        ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Synchronization.swift:99:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func lockAndReadAsync<T>(readBlock:@escaping () -> T, then : @escaping (T) -> Void) {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Synchronization.swift:116:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func readFuture<T>(executor : Executor = .primary, block:@escaping () -> T) -> Future<T> {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Synchronization.swift:125:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func modifyFuture<T>(executor : Executor = .primary, block:@escaping () -> T) -> Future<T> {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/Tuples.swift:278:25: error: 'Element' is not a member type of 'T'
    return [tuple as! T.Element]
                      ~ ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/Tuples.swift:282:27: error: 'Element' is not a member type of 'T'
    return [tuple.0 as! T.Element,
                        ~ ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/Tuples.swift:288:24: error: 'Element' is not a member type of 'T'
        [tuple.0 as! T.Element,
                     ~ ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/Tuples.swift:295:24: error: 'Element' is not a member type of 'T'
        [tuple.0 as! T.Element,
                     ~ ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/Tuples.swift:302:24: error: 'Element' is not a member type of 'T'
        [tuple.0 as! T.Element,
                     ~ ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/Tuples.swift:310:24: error: 'Element' is not a member type of 'T'
        [tuple.0 as! T.Element,
                     ~ ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/Tuples.swift:319:24: error: 'Element' is not a member type of 'T'
        [tuple.0 as! T.Element,
                     ~ ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/Tuples.swift:329:24: error: 'Element' is not a member type of 'T'
        [tuple.0 as! T.Element,
                     ~ ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/Tuples.swift:340:24: error: 'Element' is not a member type of 'T'
        [tuple.0 as! T.Element,
                     ~ ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/Tuples.swift:352:24: error: 'Element' is not a member type of 'T'
        [tuple.0 as! T.Element,
                     ~ ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/Tuples.swift:365:24: error: 'Element' is not a member type of 'T'
        [tuple.0 as! T.Element,
                     ~ ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/Tuples.swift:380:24: error: 'Element' is not a member type of 'T'
        [tuple.0 as! T.Element,
                     ~ ^

CompileSwiftSources normal armv7 com.apple.xcode.tools.swift.compiler
    cd /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit
    export DEVELOPER_DIR=/Applications/Xcode-9.app/Contents/Developer
    export PATH="/Applications/Xcode-9.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Applications/Xcode-9.app/Contents/Developer/usr/bin:/Users/klundberg/bin:/Users/klundberg/.dotfiles/bin:/Users/klundberg/.swiftenv/shims:/Users/klundberg/.rbenv/shims:/opt/X11/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin"
    export SDKROOT=/Applications/Xcode-9.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS11.0.sdk
    /Applications/Xcode-9.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -incremental -module-name FutureKit -Ounchecked -whole-module-optimization -sdk /Applications/Xcode-9.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS11.0.sdk -target armv7-apple-ios8.0 -g -module-cache-path /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/ModuleCache -Xfrontend -serialize-debugging-options -embed-bitcode -index-store-path /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build-IndexDataStore -swift-version 3 -I /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Products/Release-iphoneos -F /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Products/Release-iphoneos -c -num-threads 8 /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/ExtensionVars.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/OSAtomicInt.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/FoundationExtensions/FutureThread.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/FutureBatch.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/ErrorTypes.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/FoundationExtensions/NSData-Ext.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/FutureFIFO.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Executor.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/OSFeature.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Synchronization.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/SyncWaitHandler.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/FoundationExtensions/NSOperation+FutureKit.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/FoundationExtensions/NSFileManager-Ext.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Completion.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/NSObject-Ext-ThreadSafe.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/FoundationExtensions/FutureCache.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/Tuples.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Promise.swift -output-file-map /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/Objects-normal/armv7/FutureKit\ iOS-OutputFileMap.json -parseable-output -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/Objects-normal/armv7/FutureKit.swiftmodule -Xcc -I/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/swift-overrides.hmap -Xcc -iquote -Xcc /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/FutureKit-generated-files.hmap -Xcc -I/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/FutureKit-own-target-headers.hmap -Xcc -I/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/FutureKit-all-non-framework-target-headers.hmap -Xcc -ivfsoverlay -Xcc /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/all-product-headers.yaml -Xcc -iquote -Xcc /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/FutureKit-project-headers.hmap -Xcc -I/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Products/Release-iphoneos/include -Xcc -I/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/DerivedSources/armv7 -Xcc -I/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/DerivedSources -emit-objc-header -emit-objc-header-path /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/Objects-normal/armv7/FutureKit-Swift.h -import-underlying-module -Xcc -ivfsoverlay -Xcc /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit\ iOS.build/unextended-module-overlay.yaml -Xcc -working-directory/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit
CompileSwift normal armv7
    cd /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit
    /Applications/Xcode-9.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift -frontend -emit-bc /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/ExtensionVars.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/OSAtomicInt.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/FoundationExtensions/FutureThread.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/FutureBatch.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/ErrorTypes.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/FoundationExtensions/NSData-Ext.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/FutureFIFO.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Executor.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/OSFeature.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Synchronization.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/SyncWaitHandler.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/FoundationExtensions/NSOperation+FutureKit.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/FoundationExtensions/NSFileManager-Ext.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Completion.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/NSObject-Ext-ThreadSafe.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/FoundationExtensions/FutureCache.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/Tuples.swift /Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Promise.swift -target armv7-apple-ios8.0 -enable-objc-interop -sdk /Applications/Xcode-9.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS11.0.sdk -I /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Products/Release-iphoneos -F /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Products/Release-iphoneos -g -import-underlying-module -module-cache-path /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/ModuleCache -swift-version 3 -serialize-debugging-options -Xcc "-I/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/swift-overrides.hmap" -Xcc -iquote -Xcc "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/FutureKit-generated-files.hmap" -Xcc "-I/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/FutureKit-own-target-headers.hmap" -Xcc "-I/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/FutureKit-all-non-framework-target-headers.hmap" -Xcc -ivfsoverlay -Xcc /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/all-product-headers.yaml -Xcc -iquote -Xcc "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/FutureKit-project-headers.hmap" -Xcc -I/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Products/Release-iphoneos/include -Xcc "-I/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/DerivedSources/armv7" -Xcc "-I/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/DerivedSources" -Xcc -ivfsoverlay -Xcc "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/unextended-module-overlay.yaml" -Xcc -working-directory/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit -emit-module-doc-path "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/armv7/FutureKit.swiftdoc" -serialize-diagnostics-path "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/armv7/ExtensionVars.dia" -Ounchecked -module-name FutureKit -emit-module-path "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/armv7/FutureKit.swiftmodule" -emit-objc-header-path "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/armv7/FutureKit-Swift.h" -emit-dependencies-path "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/armv7/ExtensionVars.d" -num-threads 8 -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/armv7/ExtensionVars.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/armv7/OSAtomicInt.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/armv7/FutureThread.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/armv7/Future.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/armv7/FutureBatch.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/armv7/ErrorTypes.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/armv7/NSData-Ext.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/armv7/FutureFIFO.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/armv7/Executor.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/armv7/OSFeature.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/armv7/Synchronization.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/armv7/SyncWaitHandler.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/armv7/NSOperation+FutureKit.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/armv7/NSFileManager-Ext.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/armv7/Completion.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/armv7/NSObject-Ext-ThreadSafe.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/armv7/FutureCache.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/armv7/Tuples.bc" -o "/Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build/Intermediates.noindex/FutureKit.build/Release-iphoneos/FutureKit iOS.build/Objects-normal/armv7/Promise.bc" -index-store-path /Users/klundberg/Library/Caches/org.carthage.CarthageKit/DerivedData/FutureKit/3.0.0/Build-IndexDataStore -index-system-modules
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/ExtensionVars.swift:169:52: warning: string interpolation produces a debug description for an optional value; did you mean to make this explicit?
            assertionFailure("found unknown value \(v) in getExtensionVar")
                                                   ^~~
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/ExtensionVars.swift:169:53: note: use 'String(describing:)' to silence this warning
            assertionFailure("found unknown value \(v) in getExtensionVar")
                                                   ~^~
                                                    String(describing:  )
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/ExtensionVars.swift:169:53: note: provide a default value to avoid this warning
            assertionFailure("found unknown value \(v) in getExtensionVar")
                                                   ~^~
                                                      ?? <#default value#>
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Synchronization.swift:59:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func lockAndModify(modifyBlock: @escaping () -> Void) {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Synchronization.swift:88:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func lockAndRead(readBlock: @escaping () -> Void) {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1197:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func onComplete<C: CompletionType>(_ block: @escaping (FutureResult<T>) throws -> C) -> Future<C.T> {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1212:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func onComplete<__Type>(_ executor: Executor = .primary, _ block:@escaping (_ result:FutureResult<T>) throws -> __Type) -> Future<__Type> {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1187:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func mapAs() -> Self {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1178:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func As() -> Self {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1656:13: error: generic parameter 'OptionalS' is not used in function signature
    func As<OptionalS: OptionalProtocol>() -> Future<OptionalS.Wrapped?> {
            ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1193:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func withCancelToken() -> (Self,CancellationToken) {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1332:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func onSuccess<C: CompletionType>(_ executor : Executor = .primary,
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1366:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func onSuccess<__Type>(_ executor : Executor = .primary,
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1385:31: warning: functions in a protocol extension do not need to be marked with 'final'
    @discardableResult public final func onFail(_ executor : Executor = .primary,
                              ^~~~~~
                              
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1406:31: warning: functions in a protocol extension do not need to be marked with 'final'
    @discardableResult public final func onFail<C:CompletionType>(_ executor : Executor = .primary,
                              ^~~~~~
                              
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1427:31: warning: functions in a protocol extension do not need to be marked with 'final'
    @discardableResult public final func onCancel(_ executor : Executor = .primary, block:@escaping ()-> Void) -> Future<T>
                              ^~~~~~
                              
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1447:31: warning: functions in a protocol extension do not need to be marked with 'final'
    @discardableResult public final func onCancel<C:CompletionType>(_ executor : Executor = .primary, block:@escaping ()-> C) -> Future<T> where C.T == T
                              ^~~~~~
                              
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1469:31: warning: functions in a protocol extension do not need to be marked with 'final'
    @discardableResult public final func onFailorCancel(_ executor : Executor = .primary,
                              ^~~~~~
                              
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1497:31: warning: functions in a protocol extension do not need to be marked with 'final'
    @discardableResult public final func onFailorCancel<C:CompletionType>(_ executor : Executor = .primary,
                              ^~~~~~
                              
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1522:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func onFailorCancel(_ executor : Executor = .primary,
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1541:31: warning: functions in a protocol extension do not need to be marked with 'final'
    @discardableResult public final func ignoreFailures() -> Self
                              ^~~~~~
                              
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1552:31: warning: functions in a protocol extension do not need to be marked with 'final'
    @discardableResult public final func assertOnFail() -> Self
                              ^~~~~~
                              
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1564:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func map<__Type>(_ executor : Executor = .primary, block:@escaping (T) throws -> __Type) -> Future<__Type> {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1569:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func mapError(_ executor : Executor = .primary, block:@escaping (Error) throws -> Error) -> Future<T> {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1581:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func waitUntilCompleted() -> FutureResult<T> {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1586:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func waitForResult() -> T? {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1590:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func _waitUntilCompletedOnMainQueue() -> FutureResult<T> {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Future.swift:1670:21: error: generic parameter 'OptionalS' is not used in function signature
    func AsOptional<OptionalS: OptionalProtocol>() -> Future<OptionalS.Wrapped?> {
                    ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Completion.swift:468:31: error: generic parameter 'O' is not used in function signature
    public func mapAsOptional<O : OptionalProtocol>() -> Completion<O.Wrapped?> {
                              ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Synchronization.swift:107:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func lockAndReadSync<T>(_ readBlock:@escaping () -> T) -> T {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Synchronization.swift:77:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func lockAndModifySync<T>(_ modifyBlock:@escaping () -> T) -> T {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Synchronization.swift:70:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func lockAndModifyAsync<T>(modifyBlock:@escaping () -> T, then : @escaping (T) -> Void) {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/ErrorTypes.swift:78:23: warning: conditional cast from 'Self' to 'NSErrorType' always succeeds
        return ((self as? NSErrorType) != nil)
                      ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/ErrorTypes.swift:82:22: warning: conditional cast from 'Self' to 'ErrorTypeMightBeCancellation' always succeeds
        return (self as? ErrorTypeMightBeCancellation)?.isCancellation ?? false
                     ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/ErrorTypes.swift:87:22: warning: conditional cast from 'Self' to 'ErrorTypeMightBeCancellation' always succeeds
        return (self as? ErrorTypeMightBeCancellation)?.toFutureResult() ?? .fail(self)
                     ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/ErrorTypes.swift:90:22: warning: conditional cast from 'Self' to 'ErrorTypeMightBeCancellation' always succeeds
        return (self as? ErrorTypeMightBeCancellation)?.toFutureCompletion() ?? .fail(self)
                     ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Executor.swift:811:73: warning: '+' is deprecated: Please use explicit type conversions or Strideable methods for mixed-type arithmetics.
                    let newDepth = NSNumber(value: currentDepth.intValue+1 as Int32)
                                                                        ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Executor.swift:811:73: warning: '+' is deprecated: Please use explicit type conversions or Strideable methods for mixed-type arithmetics.
                    let newDepth = NSNumber(value: currentDepth.intValue+1 as Int32)
                                                                        ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Synchronization.swift:99:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func lockAndReadAsync<T>(readBlock:@escaping () -> T, then : @escaping (T) -> Void) {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Synchronization.swift:116:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func readFuture<T>(executor : Executor = .primary, block:@escaping () -> T) -> Future<T> {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Synchronization.swift:125:12: warning: functions in a protocol extension do not need to be marked with 'final'
    public final func modifyFuture<T>(executor : Executor = .primary, block:@escaping () -> T) -> Future<T> {
           ^~~~~~
           
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/Tuples.swift:278:25: error: 'Element' is not a member type of 'T'
    return [tuple as! T.Element]
                      ~ ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/Tuples.swift:282:27: error: 'Element' is not a member type of 'T'
    return [tuple.0 as! T.Element,
                        ~ ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/Tuples.swift:288:24: error: 'Element' is not a member type of 'T'
        [tuple.0 as! T.Element,
                     ~ ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/Tuples.swift:295:24: error: 'Element' is not a member type of 'T'
        [tuple.0 as! T.Element,
                     ~ ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/Tuples.swift:302:24: error: 'Element' is not a member type of 'T'
        [tuple.0 as! T.Element,
                     ~ ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/Tuples.swift:310:24: error: 'Element' is not a member type of 'T'
        [tuple.0 as! T.Element,
                     ~ ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/Tuples.swift:319:24: error: 'Element' is not a member type of 'T'
        [tuple.0 as! T.Element,
                     ~ ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/Tuples.swift:329:24: error: 'Element' is not a member type of 'T'
        [tuple.0 as! T.Element,
                     ~ ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/Tuples.swift:340:24: error: 'Element' is not a member type of 'T'
        [tuple.0 as! T.Element,
                     ~ ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/Tuples.swift:352:24: error: 'Element' is not a member type of 'T'
        [tuple.0 as! T.Element,
                     ~ ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/Tuples.swift:365:24: error: 'Element' is not a member type of 'T'
        [tuple.0 as! T.Element,
                     ~ ^
/Users/klundberg/workspaces/wayfair-ios/Carthage/Checkouts/FutureKit/FutureKit/Utils/Tuples.swift:380:24: error: 'Element' is not a member type of 'T'
        [tuple.0 as! T.Element,
                     ~ ^

** BUILD FAILED **


The following build commands failed:
	CompileSwift normal arm64
	CompileSwiftSources normal arm64 com.apple.xcode.tools.swift.compiler
	CompileSwift normal armv7
	CompileSwiftSources normal armv7 com.apple.xcode.tools.swift.compiler
(4 failures)