facebook-ios-sdk builds up to OHHTTPStubs then crashes code 65

[sebbean]

Not certain how to debug from here

Cartfile.zip

[schwa]

This is what I saw:

Building: FBSDKCoreKit.xcodeproj (scheme: OHHTTPStubs iOS Framework, sdk: iphoneos, configuration: Debug)...
Error: Failed to build - result code 65
Command: ['/usr/bin/xcrun', 'xcodebuild', '-project', '/Users/schwa/Downloads/Cartfile/Carthage/Checkouts/facebook-ios-sdk/FBSDKCoreKit/FBSDKCoreKit.xcodeproj', '-scheme', 'OHHTTPStubs iOS Framework', '-configuration', 'Debug', '-sdk', 'iphoneos', '-derivedDataPath', '/Users/schwa/Library/Application Support/io.schwa.Punic/DerivedData', 'BITCODE_GENERATION_MODE=bitcode', 'CODE_SIGNING_REQUIRED=NO', 'CARTHAGE=YES', 'ONLY_ACTIVE_ARCH=NO', 'CODE_SIGN_IDENTITY=', 'build']
User defaults from command line:
    IDEDerivedDataPathOverride = /Users/schwa/Library/Application Support/io.schwa.Punic/DerivedData

Build settings from command line:
    BITCODE_GENERATION_MODE = bitcode
    CARTHAGE = YES
    CODE_SIGN_IDENTITY = 
    CODE_SIGNING_REQUIRED = NO
    ONLY_ACTIVE_ARCH = NO
    SDKROOT = iphoneos10.1

=== BUILD TARGET OHHTTPStubs iOS Framework OF PROJECT OHHTTPStubs WITH CONFIGURATION Debug ===

Check dependencies
“Use Legacy Swift Language Version” (SWIFT_VERSION) is required to be configured correctly for targets which use Swift. Use the [Edit > Convert > To Current Swift Syntax…] menu to choose a Swift version or use the Build Settings editor to configure the build setting directly.
“Use Legacy Swift Language Version” (SWIFT_VERSION) is required to be configured correctly for targets which use Swift. Use the [Edit > Convert > To Current Swift Syntax…] menu to choose a Swift version or use the Build Settings editor to configure the build setting directly.

** BUILD FAILED **


The following build commands failed:
	Check dependencies
(1 failure)

It looks like the master branch of FBSDKCoreKit isn't set up to work with Xcode 8.1 - you either need to use a different version of Xcode or use a different version of FB