Failed to build module 'Threads' from its module interface; the compiler that produced it, 'Apple Swift version 5.3.1 (swiftlang-1200.0.41 clang-1200.0.32.8)', may have used features that aren't supported by this compiler, 'Apple Swift version 5.3 (swiftlang-1200.0.29.2 clang-1200.0.30.1)'
cocoapods 1.10 xCode 12.1 (12A7403)