$ DEVELOPER_DIR=/Applications/Xcode-13.3.beta.app/Contents/Developer swift build
Fetching https://github.com/realm/realm-core from cache
Fetched https://github.com/realm/realm-core (0.97s)
Computing version for https://github.com/realm/realm-core
Computed https://github.com/realm/realm-core at 11.9.0 (0.63s)
Creating working copy for https://github.com/realm/realm-core
Working copy of https://github.com/realm/realm-core resolved at 11.9.0
Building for debugging...
Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the project and the crash backtrace.
Stack dump:
0.  Program arguments: /Applications/Xcode-13.3.beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/Aliases.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/AnyRealmValue.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/App.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/BSON.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/Combine.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/CustomPersistable.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/Decimal128.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/EmbeddedObject.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/Error.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/Impl/BasicTypes.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/Impl/CollectionAccess.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/Impl/ComplexTypes.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/Impl/KeyPathStrings.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/Impl/ObjcBridgeable.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/Impl/Persistable.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/Impl/PropertyAccessors.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/Impl/RealmCollectionImpl.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/Impl/SchemaDiscovery.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/LinkingObjects.swift -primary-file /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/List.swift -primary-file /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/Map.swift -primary-file /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/Migration.swift -primary-file /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/MongoClient.swift -primary-file /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/MutableSet.swift -primary-file /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/Object.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/ObjectId.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/ObjectSchema.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/ObjectiveCSupport+AnyRealmValue.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/ObjectiveCSupport+BSON.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/ObjectiveCSupport+Sync.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/ObjectiveCSupport.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/Optional.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/PersistedProperty.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/Projection.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/Property.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/Query.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/Realm.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/RealmCollection.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/RealmConfiguration.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/RealmKeyedCollection.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/RealmProperty.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/Results.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/Schema.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/SortDescriptor.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/SwiftUI.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/Sync.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/SyncSubscription.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/ThreadSafeReference.swift /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/Util.swift -supplementary-output-file-map /var/folders/3z/sr918w3x0_93_bqqcdp8vhjw0000gn/T/TemporaryDirectory.nZG4JG/supplementaryOutputs-4 -target x86_64-apple-macosx10.10 -enable-objc-interop -sdk /Applications/Xcode-13.3.beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX12.3.sdk -I /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/.build/x86_64-apple-macosx/debug -I /Applications/Xcode-13.3.beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Applications/Xcode-13.3.beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -color-diagnostics -enable-testing -g -module-cache-path /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/.build/x86_64-apple-macosx/debug/ModuleCache -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -new-driver-path /Applications/Xcode-13.3.beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-driver -resource-dir /Applications/Xcode-13.3.beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift -enable-anonymous-context-mangled-names -Xcc -fmodule-map-file=/Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/include/module.modulemap -Xcc -I -Xcc /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/include -Xcc -fmodule-map-file=/Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/.build/checkouts/realm-core/src/module.modulemap -Xcc -I -Xcc /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/.build/checkouts/realm-core/src -Xcc -fmodule-map-file=/Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/.build/x86_64-apple-macosx/debug/Bid.build/module.modulemap -Xcc -I -Xcc /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/.build/checkouts/realm-core/src/external/IntelRDFPMathLib20U2/LIBRARY/src -module-name RealmSwift -target-sdk-version 12.3 -parse-as-library -o /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/.build/x86_64-apple-macosx/debug/RealmSwift.build/List.swift.o -o /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/.build/x86_64-apple-macosx/debug/RealmSwift.build/Map.swift.o -o /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/.build/x86_64-apple-macosx/debug/RealmSwift.build/Migration.swift.o -o /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/.build/x86_64-apple-macosx/debug/RealmSwift.build/MongoClient.swift.o -o /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/.build/x86_64-apple-macosx/debug/RealmSwift.build/MutableSet.swift.o -o /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/.build/x86_64-apple-macosx/debug/RealmSwift.build/Object.swift.o -index-store-path /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/.build/x86_64-apple-macosx/debug/index/store -index-system-modules
1.  Apple Swift version 5.6 (swiftlang-5.6.0.320.8 clang-1316.0.18.8)
2.  Compiling with the current language version
3.  While evaluating request TypeCheckSourceFileRequest(source_file "/Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/List.swift")
4.  While type-checking 'List' (at /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/List.swift:37:14)
5.  While type-checking protocol conformance to 'RealmCollectionImpl' (at /Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/Impl/RealmCollectionImpl.swift:30:10) for type 'List<Element>' (declared at [/Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/List.swift:37:14 - line:243:1] RangeText="class List<Element: RealmCollectionValue>: RLMSwiftCollectionBase, RealmCollectionImpl {
    internal var lastAccessedNames: NSMutableArray?


    internal var rlmArray: RLMArray<AnyObject> {
        unsafeDowncast(collection, to: RLMArray<AnyObject>.self)
    }
    internal var collection: RLMCollection {
        _rlmCollection
    }


    // MARK: Initializers


    /// Creates a `List` that holds Realm model objects of type `Element`.
    public override init() {
        super.init()
    }
    /// :nodoc:
    public override init(collection: RLMCollection) {
        super.init(collection: collection)
    }


    // MARK: Object Retrieval


    /**
     Returns the object at the given index (get), or replaces the object at the given index (set).


     - warning: You can only set an object during a write transaction.


     - parameter index: The index of the object to retrieve or replace.
     */
    public subscript(position: Int) -> Element {
        get {
            if let lastAccessedNames = lastAccessedNames {
                return elementKeyPathRecorder(for: Element.self, with: lastAccessedNames)
            }
            throwForNegativeIndex(position)
            return staticBridgeCast(fromObjectiveC: _rlmCollection.object(at: UInt(position)))
        }
        set {
            throwForNegativeIndex(position)
            rlmArray.replaceObject(at: UInt(position), with: staticBridgeCast(fromSwift: newValue) as AnyObject)
        }
    }


    // MARK: KVC


    /**
     Returns an `Array` containing the results of invoking `valueForKey(_:)` using `key` on each of the collection's
     objects.
     */
    @nonobjc public func value(forKey key: String) -> [AnyObject] {
        return rlmArray.value(forKeyPath: key)! as! [AnyObject]
    }


    /**
     Returns an `Array` containing the results of invoking `valueForKeyPath(_:)` using `keyPath` on each of the
     collection's objects.


     - parameter keyPath: The key path to the property whose values are desired.
     */
    @nonobjc public func value(forKeyPath keyPath: String) -> [AnyObject] {
        return rlmArray.value(forKeyPath: keyPath) as! [AnyObject]
    }


    // MARK: Mutation


    /**
     Appends the given object to the end of the list.


     If the object is managed by a different Realm than the receiver, a copy is made and added to the Realm managing
     the receiver.


     - warning: This method may only be called during a write transaction.


     - parameter object: An object.
     */
    public func append(_ object: Element) {
        rlmArray.add(staticBridgeCast(fromSwift: object) as AnyObject)
    }


    /**
     Appends the objects in the given sequence to the end of the list.


     - warning: This method may only be called during a write transaction.
    */
    public func append<S: Sequence>(objectsIn objects: S) where S.Iterator.Element == Element {
        for obj in objects {
            rlmArray.add(staticBridgeCast(fromSwift: obj) as AnyObject)
        }
    }


    /**
     Inserts an object at the given index.


     - warning: This method may only be called during a write transaction.


     - warning: This method will throw an exception if called with an invalid index.


     - parameter object: An object.
     - parameter index:  The index at which to insert the object.
     */
    public func insert(_ object: Element, at index: Int) {
        throwForNegativeIndex(index)
        rlmArray.insert(staticBridgeCast(fromSwift: object) as AnyObject, at: UInt(index))
    }


    /**
     Removes an object at the given index. The object is not removed from the Realm that manages it.


     - warning: This method may only be called during a write transaction.


     - warning: This method will throw an exception if called with an invalid index.


     - parameter index: The index at which to remove the object.
     */
    public func remove(at index: Int) {
        throwForNegativeIndex(index)
        rlmArray.removeObject(at: UInt(index))
    }


    /**
     Removes all objects from the list. The objects are not removed from the Realm that manages them.


     - warning: This method may only be called during a write transaction.
     */
    public func removeAll() {
        rlmArray.removeAllObjects()
    }


    /**
     Replaces an object at the given index with a new object.


     - warning: This method may only be called during a write transaction.


     - warning: This method will throw an exception if called with an invalid index.


     - parameter index:  The index of the object to be replaced.
     - parameter object: An object.
     */
    public func replace(index: Int, object: Element) {
        throwForNegativeIndex(index)
        rlmArray.replaceObject(at: UInt(index), with: staticBridgeCast(fromSwift: object) as AnyObject)
    }


    /**
     Moves the object at the given source index to the given destination index.


     - warning: This method may only be called during a write transaction.


     - warning: This method will throw an exception if called with invalid indices.


     - parameter from:  The index of the object to be moved.
     - parameter to:    index to which the object at `from` should be moved.
     */
    public func move(from: Int, to: Int) {
        throwForNegativeIndex(from)
        throwForNegativeIndex(to)
        rlmArray.moveObject(at: UInt(from), to: UInt(to))
    }


    /**
     Exchanges the objects in the list at given indices.


     - warning: This method may only be called during a write transaction.


     - warning: This method will throw an exception if called with invalid indices.


     - parameter index1: The index of the object which should replace the object at index `index2`.
     - parameter index2: The index of the object which should replace the object at index `index1`.
     */
    public func swapAt(_ index1: Int, _ index2: Int) {
        throwForNegativeIndex(index1, parameterName: "index1")
        throwForNegativeIndex(index2, parameterName: "index2")
        rlmArray.exchangeObject(at: UInt(index1), withObjectAt: UInt(index2))
    }


    // swiftlint:disable:next identifier_name
    @objc class func _unmanagedCollection() -> RLMArray<AnyObject> {
        if let type = Element.self as? ObjectBase.Type {
            return RLMArray(objectClassName: type.className())
        }
        if let type = Element.PersistedType.self as? ObjectBase.Type {
            return RLMArray(objectClassName: type.className())
        }
        if let type = Element.PersistedType.self as? _RealmSchemaDiscoverable.Type {
            return RLMArray(objectType: type._rlmType, optional: type._rlmOptional)
        }
        fatalError("Collections of projections must be used with @Projected.")
    }


    /// :nodoc:
    @objc public override class func _backingCollectionType() -> AnyClass {
        return RLMManagedArray.self
    }


    // Printable requires a description property defined in Swift (and not obj-c),
    // and it has to be defined as override, which can't be done in a
    // generic class.
    /// Returns a human-readable description of the objects contained in the List.
    @objc public override var description: String {
        return descriptionWithMaxDepth(RLMDescriptionMaxDepth)
    }


    @objc private func descriptionWithMaxDepth(_ depth: UInt) -> String {
        return RLMDescriptionWithMaxDepth("List", _rlmCollection, depth)
    }
")
6.  While evaluating request RequirementSignatureRequest(RealmSwift.(file).RealmCollectionImpl@/Users/tgoyne/Downloads/realm-swift-1c92fc222cd27e767b2a7f99ed786b58b5636f65/RealmSwift/Impl/RealmCollectionImpl.swift:30:19)
Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
0  swift-frontend           0x000000010fa6c9e7 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) + 39
1  swift-frontend           0x000000010fa6ba38 llvm::sys::RunSignalHandlers() + 248
2  swift-frontend           0x000000010fa6d040 SignalHandler(int) + 288
3  libsystem_platform.dylib 0x00007ff801cb0e2d _sigtramp + 29
4  libsystem_platform.dylib 0x00007f9a7000d100 _sigtramp + 18446743671831642864
5  swift-frontend           0x000000010bc0066b swift::RequirementSignatureRequest::evaluate(swift::Evaluator&, swift::ProtocolDecl*) const::$_71::operator()() const + 539
6  swift-frontend           0x000000010bbffe8b swift::RequirementSignatureRequest::evaluate(swift::Evaluator&, swift::ProtocolDecl*) const + 155
7  swift-frontend           0x000000010bb0289a swift::RequirementSignatureRequest::OutputType swift::evaluateOrDefault<swift::RequirementSignatureRequest>(swift::Evaluator&, swift::RequirementSignatureRequest, swift::RequirementSignatureRequest::OutputType) + 1082
8  swift-frontend           0x000000010bc84b35 swift::NormalProtocolConformance::finishSignatureConformances() + 149
9  swift-frontend           0x000000010b7fe88b swift::MultiConformanceChecker::checkIndividualConformance(swift::NormalProtocolConformance*, bool) + 12571
10 swift-frontend           0x000000010b7fafd6 swift::MultiConformanceChecker::checkAllConformances() + 182
11 swift-frontend           0x000000010b80f34b swift::TypeChecker::checkConformancesInContext(swift::IterableDeclContext*) + 9803
12 swift-frontend           0x000000010b7b9749 swift::ASTVisitor<(anonymous namespace)::DeclChecker, void, void, void, void, void, void>::visit(swift::Decl*) + 25977
13 swift-frontend           0x000000010b7afda9 (anonymous namespace)::DeclChecker::visit(swift::Decl*) + 441
14 swift-frontend           0x000000010b7afbe1 swift::TypeChecker::typeCheckDecl(swift::Decl*, bool) + 193
15 swift-frontend           0x000000010b87e837 swift::TypeCheckSourceFileRequest::evaluate(swift::Evaluator&, swift::SourceFile*) const + 567
16 swift-frontend           0x000000010b881999 llvm::Expected<swift::TypeCheckSourceFileRequest::OutputType> swift::Evaluator::getResultUncached<swift::TypeCheckSourceFileRequest>(swift::TypeCheckSourceFileRequest const&) + 633
17 swift-frontend           0x000000010b87e5b2 swift::performTypeChecking(swift::SourceFile&) + 114
18 swift-frontend           0x000000010a951fe9 swift::CompilerInstance::performSema() + 217
19 swift-frontend           0x000000010a7b09ca swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 14234
20 swift-frontend           0x000000010a770178 swift::mainEntry(int, char const**) + 1064
21 dyld                     0x00000001162ee4fe start + 462