Xcode build error

Error.txt

CompileSwift normal x86_64 /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/LoginViewController.swift
    cd /Users/pasan/iOS/Swift/Projects/BookShelf
    /Applications/Xcode-beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift -frontend -c -primary-file /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/LoginViewController.swift /Users/pasan/iOS/Swift/Frameworks/OAuthSwift/OAuthSwift/NSData+OAuthSwift.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/GoodreadsCredential.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/AppDelegate.swift /Users/pasan/iOS/Swift/Frameworks/OAuthSwift/OAuthSwift/OAuth1Swift.swift /Users/pasan/iOS/Swift/Frameworks/OAuthSwift/OAuthSwift/SHA1.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/Shelf.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/NetworkDownController.swift /Users/pasan/iOS/Swift/Frameworks/OAuthSwift/OAuthSwift/String+OAuthSwift.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/HomeViewController.swift /Users/pasan/iOS/Swift/Frameworks/OAuthSwift/OAuthSwift/OAuthSwiftClient.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/Review.swift /Users/pasan/iOS/Swift/Frameworks/OAuthSwift/OAuthSwift/Utils.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/ModelIdentifiers.swift /Users/pasan/iOS/Swift/Frameworks/OAuthSwift/OAuthSwift/OAuthSwiftCredential.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/TableViewDataSource.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/ReusableCell.swift /Users/pasan/iOS/Swift/Frameworks/OAuthSwift/OAuthSwift/Int+OAuthSwift.swift /Users/pasan/iOS/Swift/Frameworks/OAuthSwift/OAuthSwift/NSURL+OAuthSwift.swift /Users/pasan/iOS/Swift/Frameworks/OAuthSwift/OAuthSwift/OAuthWebViewController.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/Alamofire+Authentication.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/Book.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/GoodreadsAuthClient.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/BookCell.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/KeychainIdentifiers.swift /Users/pasan/iOS/Swift/Frameworks/OAuthSwift/OAuthSwift/HMAC.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/GoodreadsAPIClient.swift /Users/pasan/iOS/Swift/Frameworks/OAuthSwift/OAuthSwift/OAuthSwiftHTTPRequest.swift /Users/pasan/iOS/Swift/Projects/BookShelf/Alamofire+Ono.swift /Users/pasan/iOS/Swift/Frameworks/OAuthSwift/OAuthSwift/Dictionary+OAuthSwift.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/Section.swift /Users/pasan/iOS/Swift/Frameworks/OAuthSwift/OAuthSwift/OAuth2Swift.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/User.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/Author.swift -target x86_64-apple-ios8.3 -enable-objc-interop -sdk /Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator9.0.sdk -I /Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Products/Debug-iphonesimulator -F /Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Products/Debug-iphonesimulator -F /Users/pasan/iOS/Swift/Projects/BookShelf/Carthage/Build/iOS -enable-testing -g -import-objc-header /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf-Bridging-Header.h -module-cache-path /Users/pasan/Library/Developer/Xcode/DerivedData/ModuleCache -serialize-debugging-options -Xcc -I/Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Intermediates/BookShelf.build/Debug-iphonesimulator/BookShelf.build/swift-overrides.hmap -Xcc -iquote -Xcc /Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Intermediates/BookShelf.build/Debug-iphonesimulator/BookShelf.build/BookShelf-generated-files.hmap -Xcc -I/Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Intermediates/BookShelf.build/Debug-iphonesimulator/BookShelf.build/BookShelf-own-target-headers.hmap -Xcc -I/Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Intermediates/BookShelf.build/Debug-iphonesimulator/BookShelf.build/BookShelf-all-non-framework-target-headers.hmap -Xcc -ivfsoverlay -Xcc /Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Intermediates/BookShelf.build/all-product-headers.yaml -Xcc -iquote -Xcc /Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Intermediates/BookShelf.build/Debug-iphonesimulator/BookShelf.build/BookShelf-project-headers.hmap -Xcc -I/Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Products/Debug-iphonesimulator/include -Xcc -I/Users/pasan/iOS/Swift/Projects/BookShelf/Pods/Headers/Public -Xcc -I/Users/pasan/iOS/Swift/Projects/BookShelf/Pods/Headers/Public/Ono -Xcc -I/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator9.0.sdk/usr/include/libxml2 -Xcc -IPods -Xcc -IPods/Headers -Xcc "-IPods/Local Podspecs" -Xcc -IPods/Ono -Xcc "-IPods/Target Support Files" -Xcc -IPods/Headers/Private -Xcc -IPods/Headers/Public -Xcc -IPods/Ono/Source -Xcc "-IPods/Target Support Files/Pods-BookShelf" -Xcc "-IPods/Target Support Files/Pods-BookShelf-Ono" -Xcc -IPods/Headers/Private/Ono -Xcc -IPods/Headers/Public/Ono -Xcc -I/Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Intermediates/BookShelf.build/Debug-iphonesimulator/BookShelf.build/DerivedSources/x86_64 -Xcc -I/Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Intermediates/BookShelf.build/Debug-iphonesimulator/BookShelf.build/DerivedSources -Xcc -DDEBUG=1 -Xcc -DCOCOAPODS=1 -Xcc -working-directory/Users/pasan/iOS/Swift/Projects/BookShelf -emit-module-doc-path /Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Intermediates/BookShelf.build/Debug-iphonesimulator/BookShelf.build/Objects-normal/x86_64/LoginViewController~partial.swiftdoc -Onone -module-name BookShelf -emit-module-path /Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Intermediates/BookShelf.build/Debug-iphonesimulator/BookShelf.build/Objects-normal/x86_64/LoginViewController~partial.swiftmodule -serialize-diagnostics-path /Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Intermediates/BookShelf.build/Debug-iphonesimulator/BookShelf.build/Objects-normal/x86_64/LoginViewController.dia -emit-dependencies-path /Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Intermediates/BookShelf.build/Debug-iphonesimulator/BookShelf.build/Objects-normal/x86_64/LoginViewController.d -emit-reference-dependencies-path /Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Intermediates/BookShelf.build/Debug-iphonesimulator/BookShelf.build/Objects-normal/x86_64/LoginViewController.swiftdeps -o /Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Intermediates/BookShelf.build/Debug-iphonesimulator/BookShelf.build/Objects-normal/x86_64/LoginViewController.o

Assertion failed: (hasAccessibility() && "accessibility not computed yet"), function getFormalAccess, file /Library/Caches/com.apple.xbs/Sources/swiftlang/swiftlang-700.0.38.1/src/swift/include/swift/AST/Decl.h, line 2189.
0  swift                    0x0000000111741e0b llvm::sys::PrintStackTrace(__sFILE*) + 43
1  swift                    0x000000011174254b SignalHandler(int) + 379
2  libsystem_platform.dylib 0x00007fff976c0f1a _sigtramp + 26
3  swift                    0x0000000110aacebe (anonymous namespace)::readCommonEntityInfo(unsigned char const*&, clang::api_notes::CommonEntityInfo&) + 414
4  libsystem_c.dylib        0x00007fff92f8db53 abort + 129
5  libsystem_c.dylib        0x00007fff92f55c39 basename + 0
6  swift                    0x000000010fef80f6 swift::ValueDecl::isAccessibleFrom(swift::DeclContext const*) const + 102
7  swift                    0x000000010fefb30d swift::DeclContext::lookupQualified(swift::Type, swift::DeclName, unsigned int, swift::LazyResolver*, llvm::SmallVectorImpl<swift::ValueDecl*>&) const + 3789
8  swift                    0x000000010fbda340 (anonymous namespace)::SwiftDeclConverter::VisitObjCPropertyDecl(clang::ObjCPropertyDecl const*, swift::DeclContext*) + 208
9  swift                    0x000000010fbd6004 swift::ClangImporter::Implementation::importDeclImpl(clang::NamedDecl const*, bool&, bool&) + 308
10 swift                    0x000000010fbd8e05 swift::ClangImporter::Implementation::importDeclAndCacheImpl(clang::NamedDecl const*, bool) + 213
11 swift                    0x000000010fbdc5b0 swift::ClangImporter::Implementation::loadAllMembers(swift::Decl*, unsigned long long, bool*) + 1904
12 swift                    0x000000010fecf168 swift::IterableDeclContext::loadAllMembers() const + 104
13 swift                    0x000000010febec1c swift::NominalTypeDecl::getMembers(bool) const + 28
14 swift                    0x000000010f92b8e9 swift::NominalTypeDecl::getStoredProperties() const + 25
15 swift                    0x000000010f874bf6 swift::irgen::IRGenDebugInfo::getStructMembers(swift::NominalTypeDecl*, swift::Type, llvm::DIScope*, llvm::DIFile*, unsigned int, unsigned int&) + 102
16 swift                    0x000000010f875251 swift::irgen::IRGenDebugInfo::createStructType(swift::irgen::DebugTypeInfo, swift::NominalTypeDecl*, swift::Type, llvm::DIScope*, llvm::DIFile*, unsigned int, unsigned int, unsigned int, unsigned int, llvm::DIType*, unsigned int, llvm::StringRef) + 481
17 swift                    0x000000010f8783e0 swift::irgen::IRGenDebugInfo::createType(swift::irgen::DebugTypeInfo, llvm::StringRef, llvm::DIScope*, llvm::DIFile*) + 9328
18 swift                    0x000000010f871dbb swift::irgen::IRGenDebugInfo::getOrCreateType(swift::irgen::DebugTypeInfo) + 859
19 swift                    0x000000010f8736e8 swift::irgen::IRGenDebugInfo::emitVariableDeclaration(swift::irgen::IRBuilder&, llvm::ArrayRef<llvm::Value*>, swift::irgen::DebugTypeInfo, swift::SILDebugScope*, llvm::StringRef, unsigned int, unsigned int, swift::irgen::IndirectionKind, swift::irgen::ArtificialKind) + 472
20 swift                    0x000000010f873da9 swift::irgen::IRGenDebugInfo::emitStackVariableDeclaration(swift::irgen::IRBuilder&, llvm::ArrayRef<llvm::Value*>, swift::irgen::DebugTypeInfo, swift::SILDebugScope*, llvm::StringRef, swift::irgen::IndirectionKind) + 105
21 swift                    0x000000010f8982f6 swift::SILVisitor<(anonymous namespace)::IRGenSILFunction, void>::visit(swift::ValueBase*) + 47638
22 swift                    0x000000010f888d9b (anonymous namespace)::IRGenSILFunction::emitSILFunction() + 11387
23 swift                    0x000000010f885d52 swift::irgen::IRGenModule::emitSILFunction(swift::SILFunction*) + 498
24 swift                    0x000000010f7d646c swift::irgen::IRGenModuleDispatcher::emitGlobalTopLevel() + 412
25 swift                    0x000000010f86c515 performIRGeneration(swift::IRGenOptions&, swift::ModuleDecl*, swift::SILModule*, llvm::StringRef, llvm::LLVMContext&, swift::SourceFile*, unsigned int) + 821
26 swift                    0x000000010f86c926 swift::performIRGeneration(swift::IRGenOptions&, swift::SourceFile&, swift::SILModule*, llvm::StringRef, llvm::LLVMContext&, unsigned int) + 70
27 swift                    0x000000010f75c05f performCompile(swift::CompilerInstance&, swift::CompilerInvocation&, llvm::ArrayRef<char const*>, int&) + 11663
28 swift                    0x000000010f7590b3 frontend_main(llvm::ArrayRef<char const*>, char const*, void*) + 2515
29 swift                    0x000000010f75528f main + 1983
30 libdyld.dylib            0x00007fff94feb5c9 start + 1
31 libdyld.dylib            0x0000000000000083 start + 1795246779
Stack dump:
0.	Program arguments: /Applications/Xcode-beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift -frontend -c -primary-file /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/LoginViewController.swift /Users/pasan/iOS/Swift/Frameworks/OAuthSwift/OAuthSwift/NSData+OAuthSwift.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/GoodreadsCredential.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/AppDelegate.swift /Users/pasan/iOS/Swift/Frameworks/OAuthSwift/OAuthSwift/OAuth1Swift.swift /Users/pasan/iOS/Swift/Frameworks/OAuthSwift/OAuthSwift/SHA1.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/Shelf.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/NetworkDownController.swift /Users/pasan/iOS/Swift/Frameworks/OAuthSwift/OAuthSwift/String+OAuthSwift.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/HomeViewController.swift /Users/pasan/iOS/Swift/Frameworks/OAuthSwift/OAuthSwift/OAuthSwiftClient.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/Review.swift /Users/pasan/iOS/Swift/Frameworks/OAuthSwift/OAuthSwift/Utils.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/ModelIdentifiers.swift /Users/pasan/iOS/Swift/Frameworks/OAuthSwift/OAuthSwift/OAuthSwiftCredential.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/TableViewDataSource.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/ReusableCell.swift /Users/pasan/iOS/Swift/Frameworks/OAuthSwift/OAuthSwift/Int+OAuthSwift.swift /Users/pasan/iOS/Swift/Frameworks/OAuthSwift/OAuthSwift/NSURL+OAuthSwift.swift /Users/pasan/iOS/Swift/Frameworks/OAuthSwift/OAuthSwift/OAuthWebViewController.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/Alamofire+Authentication.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/Book.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/GoodreadsAuthClient.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/BookCell.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/KeychainIdentifiers.swift /Users/pasan/iOS/Swift/Frameworks/OAuthSwift/OAuthSwift/HMAC.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/GoodreadsAPIClient.swift /Users/pasan/iOS/Swift/Frameworks/OAuthSwift/OAuthSwift/OAuthSwiftHTTPRequest.swift /Users/pasan/iOS/Swift/Projects/BookShelf/Alamofire+Ono.swift /Users/pasan/iOS/Swift/Frameworks/OAuthSwift/OAuthSwift/Dictionary+OAuthSwift.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/Section.swift /Users/pasan/iOS/Swift/Frameworks/OAuthSwift/OAuthSwift/OAuth2Swift.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/User.swift /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/Author.swift -target x86_64-apple-ios8.3 -enable-objc-interop -sdk /Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator9.0.sdk -I /Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Products/Debug-iphonesimulator -F /Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Products/Debug-iphonesimulator -F /Users/pasan/iOS/Swift/Projects/BookShelf/Carthage/Build/iOS -enable-testing -g -import-objc-header /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf-Bridging-Header.h -module-cache-path /Users/pasan/Library/Developer/Xcode/DerivedData/ModuleCache -serialize-debugging-options -Xcc -I/Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Intermediates/BookShelf.build/Debug-iphonesimulator/BookShelf.build/swift-overrides.hmap -Xcc -iquote -Xcc /Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Intermediates/BookShelf.build/Debug-iphonesimulator/BookShelf.build/BookShelf-generated-files.hmap -Xcc -I/Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Intermediates/BookShelf.build/Debug-iphonesimulator/BookShelf.build/BookShelf-own-target-headers.hmap -Xcc -I/Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Intermediates/BookShelf.build/Debug-iphonesimulator/BookShelf.build/BookShelf-all-non-framework-target-headers.hmap -Xcc -ivfsoverlay -Xcc /Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Intermediates/BookShelf.build/all-product-headers.yaml -Xcc -iquote -Xcc /Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Intermediates/BookShelf.build/Debug-iphonesimulator/BookShelf.build/BookShelf-project-headers.hmap -Xcc -I/Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Products/Debug-iphonesimulator/include -Xcc -I/Users/pasan/iOS/Swift/Projects/BookShelf/Pods/Headers/Public -Xcc -I/Users/pasan/iOS/Swift/Projects/BookShelf/Pods/Headers/Public/Ono -Xcc -I/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator9.0.sdk/usr/include/libxml2 -Xcc -IPods -Xcc -IPods/Headers -Xcc -IPods/Local Podspecs -Xcc -IPods/Ono -Xcc -IPods/Target Support Files -Xcc -IPods/Headers/Private -Xcc -IPods/Headers/Public -Xcc -IPods/Ono/Source -Xcc -IPods/Target Support Files/Pods-BookShelf -Xcc -IPods/Target Support Files/Pods-BookShelf-Ono -Xcc -IPods/Headers/Private/Ono -Xcc -IPods/Headers/Public/Ono -Xcc -I/Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Intermediates/BookShelf.build/Debug-iphonesimulator/BookShelf.build/DerivedSources/x86_64 -Xcc -I/Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Intermediates/BookShelf.build/Debug-iphonesimulator/BookShelf.build/DerivedSources -Xcc -DDEBUG=1 -Xcc -DCOCOAPODS=1 -Xcc -working-directory/Users/pasan/iOS/Swift/Projects/BookShelf -emit-module-doc-path /Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Intermediates/BookShelf.build/Debug-iphonesimulator/BookShelf.build/Objects-normal/x86_64/LoginViewController~partial.swiftdoc -Onone -module-name BookShelf -emit-module-path /Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Intermediates/BookShelf.build/Debug-iphonesimulator/BookShelf.build/Objects-normal/x86_64/LoginViewController~partial.swiftmodule -serialize-diagnostics-path /Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Intermediates/BookShelf.build/Debug-iphonesimulator/BookShelf.build/Objects-normal/x86_64/LoginViewController.dia -emit-dependencies-path /Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Intermediates/BookShelf.build/Debug-iphonesimulator/BookShelf.build/Objects-normal/x86_64/LoginViewController.d -emit-reference-dependencies-path /Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Intermediates/BookShelf.build/Debug-iphonesimulator/BookShelf.build/Objects-normal/x86_64/LoginViewController.swiftdeps -o /Users/pasan/Library/Developer/Xcode/DerivedData/BookShelf-aaskxnhrzxieuvedkgrmuhwrcwwo/Build/Intermediates/BookShelf.build/Debug-iphonesimulator/BookShelf.build/Objects-normal/x86_64/LoginViewController.o 
1.	While emitting IR SIL function @_TFC9BookShelf19LoginViewController18saveGoodreadsLoginfS0_FVS_18GoodreadsAPIClientT_ for 'saveGoodreadsLogin' at /Users/pasan/iOS/Swift/Projects/BookShelf/BookShelf/LoginViewController.swift:87:5

Did you ever get this working? I'm having a similar error