Axt – Build Information – Swift Package Index

Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build Axt with Swift 5.10 for macOS (SPM).

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0-Beta.2.app xcrun swift build --arch arm64

Build Log

        let makeContent: (State<Bool>) -> Content = { state in
                          ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:5:17: note: add @available attribute to enclosing instance method
    public func make(_ content: Content) -> some View {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLinkModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:12:47: error: 'State' is only available in macOS 10.15 or newer
                pointer.withMemoryRebound(to: State<Bool>.self, capacity: 1) { statePointer in
                                              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:12:47: note: add 'if #available' version check
                pointer.withMemoryRebound(to: State<Bool>.self, capacity: 1) { statePointer in
                                              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:5:17: note: add @available attribute to enclosing instance method
    public func make(_ content: Content) -> some View {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLinkModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:18:53: error: 'State' is only available in macOS 10.15 or newer
        return AxtNavigationLink(isActive: dig(for: State<Bool>.self, in: content)!, content: makeContent)
                                                    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:18:53: note: add 'if #available' version check
        return AxtNavigationLink(isActive: dig(for: State<Bool>.self, in: content)!, content: makeContent)
                                                    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:5:17: note: add @available attribute to enclosing instance method
    public func make(_ content: Content) -> some View {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLinkModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:44:17: error: cannot pass as inout because setter for 'isActive' is only available in macOS 10.15 or newer
                isActive.toggle()
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:44:17: note: add 'if #available' version check
                isActive.toggle()
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:37:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:25:16: note: add @available attribute to enclosing generic struct
private struct AxtNavigationLink<Content: View>: View {
               ^
[13/21] Compiling Axt AxtTest.swift
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:7:25: error: cannot find type 'UIWindow' in scope
    private var window: UIWindow!
                        ^~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:8:48: error: cannot find type 'UIViewController' in scope
    public private(set) var hostingController: UIViewController!
                                               ^~~~~~~~~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:13:30: error: 'CurrentValueSubject' is only available in macOS 10.15 or newer
    private let axtSubject = CurrentValueSubject<Axt?, Never>(nil)
                             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:15:20: error: 'View' is only available in macOS 10.15 or newer
    public init<V: View>(_ view: V) {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:15:12: note: add @available attribute to enclosing initializer
    public init<V: View>(_ view: V) {
           ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:21:32: error: 'View' is only available in macOS 10.15 or newer
    public static func host<V: View>(_ view: V) async -> AxtTest {
                               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:21:24: note: add @available attribute to enclosing static method
    public static func host<V: View>(_ view: V) async -> AxtTest {
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:24: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:54:1: note: add @available attribute to enclosing extension
extension AxtTest: AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:64:21: error: 'CurrentValueSubject' is only available in macOS 10.15 or newer
    let axtSubject: CurrentValueSubject<Axt?, Never>
                    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:34: error: 'View' is only available in macOS 10.15 or newer
private struct HostView<Content: View>: View {
                                 ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:17:29: error: cannot find 'UIHostingController' in scope
        hostingController = UIHostingController(rootView: host)
                            ^~~~~~~~~~~~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:24:37: error: 'dropFirst' is only available in macOS 10.15 or newer
        _ = await axTest.axtSubject.dropFirst().values.first { _ in true }
                                    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:24:37: note: add 'if #available' version check
        _ = await axTest.axtSubject.dropFirst().values.first { _ in true }
                                    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:21:24: note: add @available attribute to enclosing static method
    public static func host<V: View>(_ view: V) async -> AxtTest {
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:24:56: error: 'first(where:)' is only available in macOS 10.15 or newer
        _ = await axTest.axtSubject.dropFirst().values.first { _ in true }
                                                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:24:56: note: add 'if #available' version check
        _ = await axTest.axtSubject.dropFirst().values.first { _ in true }
                                                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:21:24: note: add @available attribute to enclosing static method
    public static func host<V: View>(_ view: V) async -> AxtTest {
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:30:28: error: cannot find 'UIApplication' in scope
        let windowScenes = UIApplication.shared.connectedScenes
                           ^~~~~~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:31:50: error: cannot find type 'UIWindowScene' in scope
        guard let scene = windowScenes.first as? UIWindowScene else {
                                                 ^~~~~~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:34:18: error: cannot find 'UIWindow' in scope
        window = UIWindow(windowScene: scene)
                 ^~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:46:22: error: 'withCheckedContinuation(function:_:)' is only available in macOS 10.15 or newer
        return await withCheckedContinuation { cont in
                     ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:46:22: note: add 'if #available' version check
        return await withCheckedContinuation { cont in
                     ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:45:24: note: add @available attribute to enclosing static method
    public static func yield() async {
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:48:22: error: 'resume()' is only available in macOS 10.15 or newer
                cont.resume()
                     ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:48:22: note: add 'if #available' version check
                cont.resume()
                     ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:45:24: note: add @available attribute to enclosing static method
    public static func yield() async {
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:63: error: 'map' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:63: note: add 'if #available' version check
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:54:1: note: add @available attribute to enclosing extension
extension AxtTest: AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:76: error: 'dropFirst' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                                           ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:76: note: add 'if #available' version check
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                                           ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:54:1: note: add @available attribute to enclosing extension
extension AxtTest: AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:88: error: 'eraseToAnyPublisher()' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                                                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:88: note: add 'if #available' version check
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                                                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:54:1: note: add @available attribute to enclosing extension
extension AxtTest: AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:68:14: error: 'border(_:width:)' is only available in macOS 10.15 or newer
            .border(.red, width: 2)
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:68:22: error: 'red' is only available in macOS 10.15 or newer
            .border(.red, width: 2)
                     ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:69:14: error: 'padding' is only available in macOS 10.15 or newer
            .padding()
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:71:14: error: 'backgroundPreferenceValue(_:alignment:_:)' is only available in macOS 13.0 or newer
            .backgroundPreferenceValue(AxtPreferenceKey.self) {
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:71:14: note: add 'if #available' version check
            .backgroundPreferenceValue(AxtPreferenceKey.self) {
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:23: warning: conformance of 'Color' to 'View' is only available in macOS 10.15 or newer
                Color.clear
                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:23: note: add 'if #available' version check
                Color.clear
                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:17: error: 'Color' is only available in macOS 10.15 or newer
                Color.clear
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:17: note: add 'if #available' version check
                Color.clear
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:23: error: 'clear' is only available in macOS 10.15 or newer
                Color.clear
                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:23: note: add 'if #available' version check
                Color.clear
                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:71:63: warning: conformance of 'Color' to 'View' is only available in macOS 10.15 or newer
            .backgroundPreferenceValue(AxtPreferenceKey.self) {
                                                              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:71:63: note: add 'if #available' version check
            .backgroundPreferenceValue(AxtPreferenceKey.self) {
                                                              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:7:17: error: 'AsyncThrowingStream' is only available in macOS 10.15 or newer
    var values: AsyncThrowingStream<Output, Error> {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:7:9: note: add @available attribute to enclosing property
    var values: AsyncThrowingStream<Output, Error> {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:11: error: 'Publisher' is only available in macOS 10.15 or newer
extension Publisher {
          ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:30:17: error: 'AsyncStream' is only available in macOS 10.15 or newer
    var values: AsyncStream<Output> {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:30:9: note: add @available attribute to enclosing property
    var values: AsyncStream<Output> {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:18: error: 'Publisher' is only available in macOS 10.15 or newer
public extension Publisher where Failure == Never {
                 ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:8:9: error: 'AsyncThrowingStream' is only available in macOS 10.15 or newer
        AsyncThrowingStream { continuation in
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:8:9: note: add 'if #available' version check
        AsyncThrowingStream { continuation in
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:7:9: note: add @available attribute to enclosing property
    var values: AsyncThrowingStream<Output, Error> {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:9:31: error: 'sink(receiveCompletion:receiveValue:)' is only available in macOS 10.15 or newer
            let cancellable = sink(
                              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:9:31: note: add 'if #available' version check
            let cancellable = sink(
                              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:7:9: note: add @available attribute to enclosing property
    var values: AsyncThrowingStream<Output, Error> {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:31:9: error: 'AsyncStream' is only available in macOS 10.15 or newer
        AsyncStream { continuation in
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:31:9: note: add 'if #available' version check
        AsyncStream { continuation in
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:30:9: note: add @available attribute to enclosing property
    var values: AsyncStream<Output> {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:32:31: error: 'sink(receiveCompletion:receiveValue:)' is only available in macOS 10.15 or newer
            let cancellable = sink(
                              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:32:31: note: add 'if #available' version check
            let cancellable = sink(
                              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:30:9: note: add @available attribute to enclosing property
    var values: AsyncStream<Output> {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:18: error: 'Publisher' is only available in macOS 10.15 or newer
public extension Publisher where Failure == Never {
                 ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:14:32: error: 'timeout(_:scheduler:options:customError:)' is only available in macOS 10.15 or newer
        let value = await self.timeout(.seconds(timeout), scheduler: DispatchQueue.main)
                               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:14:32: note: add 'if #available' version check
        let value = await self.timeout(.seconds(timeout), scheduler: DispatchQueue.main)
                               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:13:10: note: add @available attribute to enclosing instance method
    func firstValue(timeout: TimeInterval = 1) async throws -> Output {
         ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:15:14: warning: conformance of 'DispatchQueue' to 'Scheduler' is only available in macOS 10.15 or newer
            .values
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:15:14: note: add 'if #available' version check
            .values
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:13:10: note: add @available attribute to enclosing instance method
    func firstValue(timeout: TimeInterval = 1) async throws -> Output {
         ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:16:14: error: 'first(where:)' is only available in macOS 10.15 or newer
            .first { _ in true }
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:16:14: note: add 'if #available' version check
            .first { _ in true }
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:13:10: note: add @available attribute to enclosing instance method
    func firstValue(timeout: TimeInterval = 1) async throws -> Output {
         ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
[14/21] Compiling Axt Publisher+Compatibility.swift
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:7:25: error: cannot find type 'UIWindow' in scope
    private var window: UIWindow!
                        ^~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:8:48: error: cannot find type 'UIViewController' in scope
    public private(set) var hostingController: UIViewController!
                                               ^~~~~~~~~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:13:30: error: 'CurrentValueSubject' is only available in macOS 10.15 or newer
    private let axtSubject = CurrentValueSubject<Axt?, Never>(nil)
                             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:15:20: error: 'View' is only available in macOS 10.15 or newer
    public init<V: View>(_ view: V) {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:15:12: note: add @available attribute to enclosing initializer
    public init<V: View>(_ view: V) {
           ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:21:32: error: 'View' is only available in macOS 10.15 or newer
    public static func host<V: View>(_ view: V) async -> AxtTest {
                               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:21:24: note: add @available attribute to enclosing static method
    public static func host<V: View>(_ view: V) async -> AxtTest {
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:24: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:54:1: note: add @available attribute to enclosing extension
extension AxtTest: AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:64:21: error: 'CurrentValueSubject' is only available in macOS 10.15 or newer
    let axtSubject: CurrentValueSubject<Axt?, Never>
                    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:34: error: 'View' is only available in macOS 10.15 or newer
private struct HostView<Content: View>: View {
                                 ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:17:29: error: cannot find 'UIHostingController' in scope
        hostingController = UIHostingController(rootView: host)
                            ^~~~~~~~~~~~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:24:37: error: 'dropFirst' is only available in macOS 10.15 or newer
        _ = await axTest.axtSubject.dropFirst().values.first { _ in true }
                                    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:24:37: note: add 'if #available' version check
        _ = await axTest.axtSubject.dropFirst().values.first { _ in true }
                                    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:21:24: note: add @available attribute to enclosing static method
    public static func host<V: View>(_ view: V) async -> AxtTest {
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:24:56: error: 'first(where:)' is only available in macOS 10.15 or newer
        _ = await axTest.axtSubject.dropFirst().values.first { _ in true }
                                                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:24:56: note: add 'if #available' version check
        _ = await axTest.axtSubject.dropFirst().values.first { _ in true }
                                                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:21:24: note: add @available attribute to enclosing static method
    public static func host<V: View>(_ view: V) async -> AxtTest {
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:30:28: error: cannot find 'UIApplication' in scope
        let windowScenes = UIApplication.shared.connectedScenes
                           ^~~~~~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:31:50: error: cannot find type 'UIWindowScene' in scope
        guard let scene = windowScenes.first as? UIWindowScene else {
                                                 ^~~~~~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:34:18: error: cannot find 'UIWindow' in scope
        window = UIWindow(windowScene: scene)
                 ^~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:46:22: error: 'withCheckedContinuation(function:_:)' is only available in macOS 10.15 or newer
        return await withCheckedContinuation { cont in
                     ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:46:22: note: add 'if #available' version check
        return await withCheckedContinuation { cont in
                     ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:45:24: note: add @available attribute to enclosing static method
    public static func yield() async {
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:48:22: error: 'resume()' is only available in macOS 10.15 or newer
                cont.resume()
                     ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:48:22: note: add 'if #available' version check
                cont.resume()
                     ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:45:24: note: add @available attribute to enclosing static method
    public static func yield() async {
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:63: error: 'map' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:63: note: add 'if #available' version check
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:54:1: note: add @available attribute to enclosing extension
extension AxtTest: AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:76: error: 'dropFirst' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                                           ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:76: note: add 'if #available' version check
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                                           ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:54:1: note: add @available attribute to enclosing extension
extension AxtTest: AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:88: error: 'eraseToAnyPublisher()' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                                                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:88: note: add 'if #available' version check
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                                                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:54:1: note: add @available attribute to enclosing extension
extension AxtTest: AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:68:14: error: 'border(_:width:)' is only available in macOS 10.15 or newer
            .border(.red, width: 2)
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:68:22: error: 'red' is only available in macOS 10.15 or newer
            .border(.red, width: 2)
                     ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:69:14: error: 'padding' is only available in macOS 10.15 or newer
            .padding()
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:71:14: error: 'backgroundPreferenceValue(_:alignment:_:)' is only available in macOS 13.0 or newer
            .backgroundPreferenceValue(AxtPreferenceKey.self) {
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:71:14: note: add 'if #available' version check
            .backgroundPreferenceValue(AxtPreferenceKey.self) {
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:23: warning: conformance of 'Color' to 'View' is only available in macOS 10.15 or newer
                Color.clear
                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:23: note: add 'if #available' version check
                Color.clear
                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:17: error: 'Color' is only available in macOS 10.15 or newer
                Color.clear
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:17: note: add 'if #available' version check
                Color.clear
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:23: error: 'clear' is only available in macOS 10.15 or newer
                Color.clear
                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:23: note: add 'if #available' version check
                Color.clear
                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:71:63: warning: conformance of 'Color' to 'View' is only available in macOS 10.15 or newer
            .backgroundPreferenceValue(AxtPreferenceKey.self) {
                                                              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:71:63: note: add 'if #available' version check
            .backgroundPreferenceValue(AxtPreferenceKey.self) {
                                                              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:7:17: error: 'AsyncThrowingStream' is only available in macOS 10.15 or newer
    var values: AsyncThrowingStream<Output, Error> {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:7:9: note: add @available attribute to enclosing property
    var values: AsyncThrowingStream<Output, Error> {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:11: error: 'Publisher' is only available in macOS 10.15 or newer
extension Publisher {
          ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:30:17: error: 'AsyncStream' is only available in macOS 10.15 or newer
    var values: AsyncStream<Output> {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:30:9: note: add @available attribute to enclosing property
    var values: AsyncStream<Output> {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:18: error: 'Publisher' is only available in macOS 10.15 or newer
public extension Publisher where Failure == Never {
                 ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:8:9: error: 'AsyncThrowingStream' is only available in macOS 10.15 or newer
        AsyncThrowingStream { continuation in
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:8:9: note: add 'if #available' version check
        AsyncThrowingStream { continuation in
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:7:9: note: add @available attribute to enclosing property
    var values: AsyncThrowingStream<Output, Error> {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:9:31: error: 'sink(receiveCompletion:receiveValue:)' is only available in macOS 10.15 or newer
            let cancellable = sink(
                              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:9:31: note: add 'if #available' version check
            let cancellable = sink(
                              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:7:9: note: add @available attribute to enclosing property
    var values: AsyncThrowingStream<Output, Error> {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:31:9: error: 'AsyncStream' is only available in macOS 10.15 or newer
        AsyncStream { continuation in
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:31:9: note: add 'if #available' version check
        AsyncStream { continuation in
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:30:9: note: add @available attribute to enclosing property
    var values: AsyncStream<Output> {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:32:31: error: 'sink(receiveCompletion:receiveValue:)' is only available in macOS 10.15 or newer
            let cancellable = sink(
                              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:32:31: note: add 'if #available' version check
            let cancellable = sink(
                              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:30:9: note: add @available attribute to enclosing property
    var values: AsyncStream<Output> {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:18: error: 'Publisher' is only available in macOS 10.15 or newer
public extension Publisher where Failure == Never {
                 ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:14:32: error: 'timeout(_:scheduler:options:customError:)' is only available in macOS 10.15 or newer
        let value = await self.timeout(.seconds(timeout), scheduler: DispatchQueue.main)
                               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:14:32: note: add 'if #available' version check
        let value = await self.timeout(.seconds(timeout), scheduler: DispatchQueue.main)
                               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:13:10: note: add @available attribute to enclosing instance method
    func firstValue(timeout: TimeInterval = 1) async throws -> Output {
         ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:15:14: warning: conformance of 'DispatchQueue' to 'Scheduler' is only available in macOS 10.15 or newer
            .values
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:15:14: note: add 'if #available' version check
            .values
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:13:10: note: add @available attribute to enclosing instance method
    func firstValue(timeout: TimeInterval = 1) async throws -> Output {
         ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:16:14: error: 'first(where:)' is only available in macOS 10.15 or newer
            .first { _ in true }
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:16:14: note: add 'if #available' version check
            .first { _ in true }
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:13:10: note: add @available attribute to enclosing instance method
    func firstValue(timeout: TimeInterval = 1) async throws -> Output {
         ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
[15/21] Compiling Axt Publisher+firstValue.swift
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:7:25: error: cannot find type 'UIWindow' in scope
    private var window: UIWindow!
                        ^~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:8:48: error: cannot find type 'UIViewController' in scope
    public private(set) var hostingController: UIViewController!
                                               ^~~~~~~~~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:13:30: error: 'CurrentValueSubject' is only available in macOS 10.15 or newer
    private let axtSubject = CurrentValueSubject<Axt?, Never>(nil)
                             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:15:20: error: 'View' is only available in macOS 10.15 or newer
    public init<V: View>(_ view: V) {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:15:12: note: add @available attribute to enclosing initializer
    public init<V: View>(_ view: V) {
           ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:21:32: error: 'View' is only available in macOS 10.15 or newer
    public static func host<V: View>(_ view: V) async -> AxtTest {
                               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:21:24: note: add @available attribute to enclosing static method
    public static func host<V: View>(_ view: V) async -> AxtTest {
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:24: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:54:1: note: add @available attribute to enclosing extension
extension AxtTest: AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:64:21: error: 'CurrentValueSubject' is only available in macOS 10.15 or newer
    let axtSubject: CurrentValueSubject<Axt?, Never>
                    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:34: error: 'View' is only available in macOS 10.15 or newer
private struct HostView<Content: View>: View {
                                 ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:17:29: error: cannot find 'UIHostingController' in scope
        hostingController = UIHostingController(rootView: host)
                            ^~~~~~~~~~~~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:24:37: error: 'dropFirst' is only available in macOS 10.15 or newer
        _ = await axTest.axtSubject.dropFirst().values.first { _ in true }
                                    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:24:37: note: add 'if #available' version check
        _ = await axTest.axtSubject.dropFirst().values.first { _ in true }
                                    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:21:24: note: add @available attribute to enclosing static method
    public static func host<V: View>(_ view: V) async -> AxtTest {
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:24:56: error: 'first(where:)' is only available in macOS 10.15 or newer
        _ = await axTest.axtSubject.dropFirst().values.first { _ in true }
                                                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:24:56: note: add 'if #available' version check
        _ = await axTest.axtSubject.dropFirst().values.first { _ in true }
                                                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:21:24: note: add @available attribute to enclosing static method
    public static func host<V: View>(_ view: V) async -> AxtTest {
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:30:28: error: cannot find 'UIApplication' in scope
        let windowScenes = UIApplication.shared.connectedScenes
                           ^~~~~~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:31:50: error: cannot find type 'UIWindowScene' in scope
        guard let scene = windowScenes.first as? UIWindowScene else {
                                                 ^~~~~~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:34:18: error: cannot find 'UIWindow' in scope
        window = UIWindow(windowScene: scene)
                 ^~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:46:22: error: 'withCheckedContinuation(function:_:)' is only available in macOS 10.15 or newer
        return await withCheckedContinuation { cont in
                     ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:46:22: note: add 'if #available' version check
        return await withCheckedContinuation { cont in
                     ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:45:24: note: add @available attribute to enclosing static method
    public static func yield() async {
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:48:22: error: 'resume()' is only available in macOS 10.15 or newer
                cont.resume()
                     ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:48:22: note: add 'if #available' version check
                cont.resume()
                     ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:45:24: note: add @available attribute to enclosing static method
    public static func yield() async {
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:63: error: 'map' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:63: note: add 'if #available' version check
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:54:1: note: add @available attribute to enclosing extension
extension AxtTest: AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:76: error: 'dropFirst' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                                           ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:76: note: add 'if #available' version check
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                                           ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:54:1: note: add @available attribute to enclosing extension
extension AxtTest: AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:88: error: 'eraseToAnyPublisher()' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                                                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:88: note: add 'if #available' version check
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                                                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:54:1: note: add @available attribute to enclosing extension
extension AxtTest: AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:68:14: error: 'border(_:width:)' is only available in macOS 10.15 or newer
            .border(.red, width: 2)
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:68:22: error: 'red' is only available in macOS 10.15 or newer
            .border(.red, width: 2)
                     ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:69:14: error: 'padding' is only available in macOS 10.15 or newer
            .padding()
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:71:14: error: 'backgroundPreferenceValue(_:alignment:_:)' is only available in macOS 13.0 or newer
            .backgroundPreferenceValue(AxtPreferenceKey.self) {
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:71:14: note: add 'if #available' version check
            .backgroundPreferenceValue(AxtPreferenceKey.self) {
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:23: warning: conformance of 'Color' to 'View' is only available in macOS 10.15 or newer
                Color.clear
                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:23: note: add 'if #available' version check
                Color.clear
                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:17: error: 'Color' is only available in macOS 10.15 or newer
                Color.clear
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:17: note: add 'if #available' version check
                Color.clear
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:23: error: 'clear' is only available in macOS 10.15 or newer
                Color.clear
                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:23: note: add 'if #available' version check
                Color.clear
                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:71:63: warning: conformance of 'Color' to 'View' is only available in macOS 10.15 or newer
            .backgroundPreferenceValue(AxtPreferenceKey.self) {
                                                              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:71:63: note: add 'if #available' version check
            .backgroundPreferenceValue(AxtPreferenceKey.self) {
                                                              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:7:17: error: 'AsyncThrowingStream' is only available in macOS 10.15 or newer
    var values: AsyncThrowingStream<Output, Error> {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:7:9: note: add @available attribute to enclosing property
    var values: AsyncThrowingStream<Output, Error> {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:11: error: 'Publisher' is only available in macOS 10.15 or newer
extension Publisher {
          ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:30:17: error: 'AsyncStream' is only available in macOS 10.15 or newer
    var values: AsyncStream<Output> {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:30:9: note: add @available attribute to enclosing property
    var values: AsyncStream<Output> {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:18: error: 'Publisher' is only available in macOS 10.15 or newer
public extension Publisher where Failure == Never {
                 ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:8:9: error: 'AsyncThrowingStream' is only available in macOS 10.15 or newer
        AsyncThrowingStream { continuation in
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:8:9: note: add 'if #available' version check
        AsyncThrowingStream { continuation in
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:7:9: note: add @available attribute to enclosing property
    var values: AsyncThrowingStream<Output, Error> {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:9:31: error: 'sink(receiveCompletion:receiveValue:)' is only available in macOS 10.15 or newer
            let cancellable = sink(
                              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:9:31: note: add 'if #available' version check
            let cancellable = sink(
                              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:7:9: note: add @available attribute to enclosing property
    var values: AsyncThrowingStream<Output, Error> {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:31:9: error: 'AsyncStream' is only available in macOS 10.15 or newer
        AsyncStream { continuation in
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:31:9: note: add 'if #available' version check
        AsyncStream { continuation in
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:30:9: note: add @available attribute to enclosing property
    var values: AsyncStream<Output> {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:32:31: error: 'sink(receiveCompletion:receiveValue:)' is only available in macOS 10.15 or newer
            let cancellable = sink(
                              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:32:31: note: add 'if #available' version check
            let cancellable = sink(
                              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:30:9: note: add @available attribute to enclosing property
    var values: AsyncStream<Output> {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:18: error: 'Publisher' is only available in macOS 10.15 or newer
public extension Publisher where Failure == Never {
                 ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:14:32: error: 'timeout(_:scheduler:options:customError:)' is only available in macOS 10.15 or newer
        let value = await self.timeout(.seconds(timeout), scheduler: DispatchQueue.main)
                               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:14:32: note: add 'if #available' version check
        let value = await self.timeout(.seconds(timeout), scheduler: DispatchQueue.main)
                               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:13:10: note: add @available attribute to enclosing instance method
    func firstValue(timeout: TimeInterval = 1) async throws -> Output {
         ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:15:14: warning: conformance of 'DispatchQueue' to 'Scheduler' is only available in macOS 10.15 or newer
            .values
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:15:14: note: add 'if #available' version check
            .values
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:13:10: note: add @available attribute to enclosing instance method
    func firstValue(timeout: TimeInterval = 1) async throws -> Output {
         ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:16:14: error: 'first(where:)' is only available in macOS 10.15 or newer
            .first { _ in true }
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:16:14: note: add 'if #available' version check
            .first { _ in true }
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:13:10: note: add @available attribute to enclosing instance method
    func firstValue(timeout: TimeInterval = 1) async throws -> Output {
         ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
[16/21] Compiling Axt dig.swift
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:6:33: error: 'View' is only available in macOS 10.15 or newer
    func hostAxtSheet() -> some View {
                                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:6:10: note: add @available attribute to enclosing instance method
    func hostAxtSheet() -> some View {
         ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:3:18: error: 'View' is only available in macOS 10.15 or newer
public extension View {
                 ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:24:59: error: cannot find type 'UIViewController' in scope
    public func makeUIViewController(context: Context) -> UIViewController {
                                                          ^~~~~~~~~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:24:47: error: cannot find type 'Context' in scope
    public func makeUIViewController(context: Context) -> UIViewController {
                                              ^~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:30:43: error: cannot find type 'UIViewController' in scope
    public func updateUIViewController(_: UIViewController, context: Context) {
                                          ^~~~~~~~~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:30:70: error: cannot find type 'Context' in scope
    public func updateUIViewController(_: UIViewController, context: Context) {
                                                                     ^~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:35:53: error: cannot find type 'UIViewController' in scope
    public static func dismantleUIViewController(_: UIViewController, coordinator: Coordinator) {
                                                    ^~~~~~~~~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:17:33: error: cannot find type 'UIViewControllerRepresentable' in scope
struct AxtSheet<Content: View>: UIViewControllerRepresentable {
                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:17:26: error: 'View' is only available in macOS 10.15 or newer
struct AxtSheet<Content: View>: UIViewControllerRepresentable {
                         ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:17:8: note: add @available attribute to enclosing generic struct
struct AxtSheet<Content: View>: UIViewControllerRepresentable {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:8:9: error: return type of instance method 'hostAxtSheet()' requires that 'AxtSheet<Self>' conform to 'View'
        AxtSheet(content: self)
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:6:28: note: opaque return type declared here
    func hostAxtSheet() -> some View {
                           ^~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:32:38: error: cannot find type 'UIHostingController' in scope
        (test?.hostingController as? UIHostingController<Content>)?.rootView = content
                                     ^~~~~~~~~~~~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:32:78: error: type of expression is ambiguous without a type annotation
        (test?.hostingController as? UIHostingController<Content>)?.rootView = content
        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~
[17/21] Compiling Axt hostAxtSheet.swift
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:6:33: error: 'View' is only available in macOS 10.15 or newer
    func hostAxtSheet() -> some View {
                                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:6:10: note: add @available attribute to enclosing instance method
    func hostAxtSheet() -> some View {
         ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:3:18: error: 'View' is only available in macOS 10.15 or newer
public extension View {
                 ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:24:59: error: cannot find type 'UIViewController' in scope
    public func makeUIViewController(context: Context) -> UIViewController {
                                                          ^~~~~~~~~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:24:47: error: cannot find type 'Context' in scope
    public func makeUIViewController(context: Context) -> UIViewController {
                                              ^~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:30:43: error: cannot find type 'UIViewController' in scope
    public func updateUIViewController(_: UIViewController, context: Context) {
                                          ^~~~~~~~~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:30:70: error: cannot find type 'Context' in scope
    public func updateUIViewController(_: UIViewController, context: Context) {
                                                                     ^~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:35:53: error: cannot find type 'UIViewController' in scope
    public static func dismantleUIViewController(_: UIViewController, coordinator: Coordinator) {
                                                    ^~~~~~~~~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:17:33: error: cannot find type 'UIViewControllerRepresentable' in scope
struct AxtSheet<Content: View>: UIViewControllerRepresentable {
                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:17:26: error: 'View' is only available in macOS 10.15 or newer
struct AxtSheet<Content: View>: UIViewControllerRepresentable {
                         ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:17:8: note: add @available attribute to enclosing generic struct
struct AxtSheet<Content: View>: UIViewControllerRepresentable {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:8:9: error: return type of instance method 'hostAxtSheet()' requires that 'AxtSheet<Self>' conform to 'View'
        AxtSheet(content: self)
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:6:28: note: opaque return type declared here
    func hostAxtSheet() -> some View {
                           ^~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:32:38: error: cannot find type 'UIHostingController' in scope
        (test?.hostingController as? UIHostingController<Content>)?.rootView = content
                                     ^~~~~~~~~~~~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:32:78: error: type of expression is ambiguous without a type annotation
        (test?.hostingController as? UIHostingController<Content>)?.rootView = content
        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~
error: emit-module command failed with exit code 1 (use -v to see invocation)
[18/21] Emitting module Axt
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:9:24: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    let rootDidChange: AnyPublisher<Void, Never>
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:6:7: note: add @available attribute to enclosing class
class AxtChildNode: AxtNode {
      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:11:69: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    init(nodeId: UUID, getRoot: @escaping () -> Axt, rootDidChange: AnyPublisher<Void, Never>) {
                                                                    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:11:5: note: add @available attribute to enclosing initializer
    init(nodeId: UUID, getRoot: @escaping () -> Axt, rootDidChange: AnyPublisher<Void, Never>) {
    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:6:7: note: add @available attribute to enclosing class
class AxtChildNode: AxtNode {
      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:9:24: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { get }
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:9:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { get }
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:6:10: note: add @available attribute to enclosing protocol
protocol AxtNode: AxtElement {
         ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:7:25: error: cannot find type 'UIWindow' in scope
    private var window: UIWindow!
                        ^~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:8:48: error: cannot find type 'UIViewController' in scope
    public private(set) var hostingController: UIViewController!
                                               ^~~~~~~~~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:13:30: error: 'CurrentValueSubject' is only available in macOS 10.15 or newer
    private let axtSubject = CurrentValueSubject<Axt?, Never>(nil)
                             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:15:20: error: 'View' is only available in macOS 10.15 or newer
    public init<V: View>(_ view: V) {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:15:12: note: add @available attribute to enclosing initializer
    public init<V: View>(_ view: V) {
           ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:21:32: error: 'View' is only available in macOS 10.15 or newer
    public static func host<V: View>(_ view: V) async -> AxtTest {
                               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:21:24: note: add @available attribute to enclosing static method
    public static func host<V: View>(_ view: V) async -> AxtTest {
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:24: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:54:1: note: add @available attribute to enclosing extension
extension AxtTest: AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:64:21: error: 'CurrentValueSubject' is only available in macOS 10.15 or newer
    let axtSubject: CurrentValueSubject<Axt?, Never>
                    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:34: error: 'View' is only available in macOS 10.15 or newer
private struct HostView<Content: View>: View {
                                 ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:7:17: error: 'AsyncThrowingStream' is only available in macOS 10.15 or newer
    var values: AsyncThrowingStream<Output, Error> {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:7:9: note: add @available attribute to enclosing property
    var values: AsyncThrowingStream<Output, Error> {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:11: error: 'Publisher' is only available in macOS 10.15 or newer
extension Publisher {
          ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:30:17: error: 'AsyncStream' is only available in macOS 10.15 or newer
    var values: AsyncStream<Output> {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:30:9: note: add @available attribute to enclosing property
    var values: AsyncStream<Output> {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:18: error: 'Publisher' is only available in macOS 10.15 or newer
public extension Publisher where Failure == Never {
                 ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:18: error: 'Publisher' is only available in macOS 10.15 or newer
public extension Publisher where Failure == Never {
                 ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:12:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var nodeId = UUID()
     ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:5:8: note: add @available attribute to enclosing generic struct
struct AxtView<Content: View>: View {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:13:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var visible = true
     ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:5:8: note: add @available attribute to enclosing generic struct
struct AxtView<Content: View>: View {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:15:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:15:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:5:8: note: add @available attribute to enclosing generic struct
struct AxtView<Content: View>: View {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:5:25: error: 'View' is only available in macOS 10.15 or newer
struct AxtView<Content: View>: View {
                        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:5:8: note: add @available attribute to enclosing generic struct
struct AxtView<Content: View>: View {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:37:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var nodeId = UUID()
     ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:29:8: note: add @available attribute to enclosing generic struct
struct AxtInsertView<Content: View>: View {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:39:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:39:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:29:8: note: add @available attribute to enclosing generic struct
struct AxtInsertView<Content: View>: View {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:29:31: error: 'View' is only available in macOS 10.15 or newer
struct AxtInsertView<Content: View>: View {
                              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:29:8: note: add @available attribute to enclosing generic struct
struct AxtInsertView<Content: View>: View {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Modifier.swift:4:29: error: 'View' is only available in macOS 10.15 or newer
    associatedtype Content: View
                            ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Modifier.swift:3:17: note: add @available attribute to enclosing protocol
public protocol Modifier {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Modifier.swift:6:26: error: 'View' is only available in macOS 10.15 or newer
    associatedtype Body: View
                         ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Modifier.swift:3:17: note: add @available attribute to enclosing protocol
public protocol Modifier {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Button.swift:5:50: error: 'View' is only available in macOS 10.15 or newer
    public func make(_ content: Content) -> some View {
                                                 ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Button.swift:5:17: note: add @available attribute to enclosing instance method
    public func make(_ content: Content) -> some View {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Button.swift:3:15: note: add @available attribute to enclosing generic struct
public struct ButtonModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Button.swift:3:39: error: 'View' is only available in macOS 10.15 or newer
public struct ButtonModifier<Content: View>: Modifier {
                                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Button.swift:3:15: note: add @available attribute to enclosing generic struct
public struct ButtonModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:5:50: error: 'View' is only available in macOS 10.15 or newer
    public func make(_ content: Content) -> some View {
                                                 ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:5:17: note: add @available attribute to enclosing instance method
    public func make(_ content: Content) -> some View {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLinkModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:3:47: error: 'View' is only available in macOS 10.15 or newer
public struct NavigationLinkModifier<Content: View>: Modifier {
                                              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLinkModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:29:6: error: 'State' is only available in macOS 10.15 or newer
    @State var isActive: Bool
     ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:25:16: note: add @available attribute to enclosing generic struct
private struct AxtNavigationLink<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:30:19: error: 'State' is only available in macOS 10.15 or newer
    let content: (State<Bool>) -> Content
                  ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:25:16: note: add @available attribute to enclosing generic struct
private struct AxtNavigationLink<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:32:20: error: 'State' is only available in macOS 10.15 or newer
    init(isActive: State<Bool>, content: @escaping ((State<Bool>) -> Content)) {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:32:5: note: add @available attribute to enclosing initializer
    init(isActive: State<Bool>, content: @escaping ((State<Bool>) -> Content)) {
    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:25:16: note: add @available attribute to enclosing generic struct
private struct AxtNavigationLink<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:32:54: error: 'State' is only available in macOS 10.15 or newer
    init(isActive: State<Bool>, content: @escaping ((State<Bool>) -> Content)) {
                                                     ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:32:5: note: add @available attribute to enclosing initializer
    init(isActive: State<Bool>, content: @escaping ((State<Bool>) -> Content)) {
    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:25:16: note: add @available attribute to enclosing generic struct
private struct AxtNavigationLink<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:37:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:37:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:25:16: note: add @available attribute to enclosing generic struct
private struct AxtNavigationLink<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:25:43: error: 'View' is only available in macOS 10.15 or newer
private struct AxtNavigationLink<Content: View>: View {
                                          ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:25:16: note: add @available attribute to enclosing generic struct
private struct AxtNavigationLink<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Text.swift:5:50: error: 'View' is only available in macOS 10.15 or newer
    public func make(_ content: Content) -> some View {
                                                 ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Text.swift:5:17: note: add @available attribute to enclosing instance method
    public func make(_ content: Content) -> some View {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Text.swift:3:15: note: add @available attribute to enclosing generic struct
public struct TextModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Text.swift:3:37: error: 'View' is only available in macOS 10.15 or newer
public struct TextModifier<Content: View>: Modifier {
                                    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Text.swift:3:15: note: add @available attribute to enclosing generic struct
public struct TextModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:5:50: error: 'View' is only available in macOS 10.15 or newer
    public func make(_ content: Content) -> some View {
                                                 ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:5:17: note: add @available attribute to enclosing instance method
    public func make(_ content: Content) -> some View {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:3:15: note: add @available attribute to enclosing generic struct
public struct TextFieldModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:3:42: error: 'View' is only available in macOS 10.15 or newer
public struct TextFieldModifier<Content: View>: Modifier {
                                         ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:3:15: note: add @available attribute to enclosing generic struct
public struct TextFieldModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Toggle.swift:5:50: error: 'View' is only available in macOS 10.15 or newer
    public func make(_ content: Content) -> some View {
                                                 ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Toggle.swift:5:17: note: add @available attribute to enclosing instance method
    public func make(_ content: Content) -> some View {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Toggle.swift:3:15: note: add @available attribute to enclosing generic struct
public struct ToggleModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Toggle.swift:3:39: error: 'View' is only available in macOS 10.15 or newer
public struct ToggleModifier<Content: View>: Modifier {
                                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Toggle.swift:3:15: note: add @available attribute to enclosing generic struct
public struct ToggleModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/NativeView.swift:3:35: error: 'View' is only available in macOS 10.15 or newer
public struct NativeView<Content: View, M: Modifier> {
                                  ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/NativeView.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NativeView<Content: View, M: Modifier> {
              ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:4:185: error: 'View' is only available in macOS 10.15 or newer
    @ViewBuilder func testData<M: Modifier>(type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
                                                                                                                                                                                        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:4:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testData<M: Modifier>(type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:4:6: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    @ViewBuilder func testData<M: Modifier>(type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
     ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:4:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testData<M: Modifier>(type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:21:145: error: 'View' is only available in macOS 10.15 or newer
    @ViewBuilder func testData(label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                                                                                                                                                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:21:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testData(label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:21:6: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    @ViewBuilder func testData(label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
     ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:21:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testData(label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:18: error: 'View' is only available in macOS 10.15 or newer
public extension View {
                 ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:4:205: error: 'View' is only available in macOS 10.15 or newer
    @ViewBuilder func testId<M: Modifier>(_ identifier: String, type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
                                                                                                                                                                                                            ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:4:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId<M: Modifier>(_ identifier: String, type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:4:6: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    @ViewBuilder func testId<M: Modifier>(_ identifier: String, type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
     ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:4:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId<M: Modifier>(_ identifier: String, type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:21:165: error: 'View' is only available in macOS 10.15 or newer
    @ViewBuilder func testId(_ identifier: String, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                                                                                                                                                                    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:21:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId(_ identifier: String, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:21:6: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    @ViewBuilder func testId(_ identifier: String, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
     ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:21:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId(_ identifier: String, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:38:199: error: 'View' is only available in macOS 10.15 or newer
    @ViewBuilder func testId(insert identifier: String, when condition: Bool = true, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                                                                                                                                                                                                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:38:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId(insert identifier: String, when condition: Bool = true, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:38:6: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    @ViewBuilder func testId(insert identifier: String, when condition: Bool = true, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
     ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:38:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId(insert identifier: String, when condition: Bool = true, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:18: error: 'View' is only available in macOS 10.15 or newer
public extension View {
                 ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:6:33: error: 'View' is only available in macOS 10.15 or newer
    func hostAxtSheet() -> some View {
                                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:6:10: note: add @available attribute to enclosing instance method
    func hostAxtSheet() -> some View {
         ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:3:18: error: 'View' is only available in macOS 10.15 or newer
public extension View {
                 ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:24:59: error: cannot find type 'UIViewController' in scope
    public func makeUIViewController(context: Context) -> UIViewController {
                                                          ^~~~~~~~~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:24:47: error: cannot find type 'Context' in scope
    public func makeUIViewController(context: Context) -> UIViewController {
                                              ^~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:30:43: error: cannot find type 'UIViewController' in scope
    public func updateUIViewController(_: UIViewController, context: Context) {
                                          ^~~~~~~~~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:30:70: error: cannot find type 'Context' in scope
    public func updateUIViewController(_: UIViewController, context: Context) {
                                                                     ^~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:35:53: error: cannot find type 'UIViewController' in scope
    public static func dismantleUIViewController(_: UIViewController, coordinator: Coordinator) {
                                                    ^~~~~~~~~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:17:33: error: cannot find type 'UIViewControllerRepresentable' in scope
struct AxtSheet<Content: View>: UIViewControllerRepresentable {
                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:17:26: error: 'View' is only available in macOS 10.15 or newer
struct AxtSheet<Content: View>: UIViewControllerRepresentable {
                         ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:17:8: note: add @available attribute to enclosing generic struct
struct AxtSheet<Content: View>: UIViewControllerRepresentable {
       ^
[19/21] Compiling Axt AxtChildNode.swift
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:9:24: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    let rootDidChange: AnyPublisher<Void, Never>
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:6:7: note: add @available attribute to enclosing class
class AxtChildNode: AxtNode {
      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:11:69: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    init(nodeId: UUID, getRoot: @escaping () -> Axt, rootDidChange: AnyPublisher<Void, Never>) {
                                                                    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:11:5: note: add @available attribute to enclosing initializer
    init(nodeId: UUID, getRoot: @escaping () -> Axt, rootDidChange: AnyPublisher<Void, Never>) {
    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:6:7: note: add @available attribute to enclosing class
class AxtChildNode: AxtNode {
      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:9:24: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { get }
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:9:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { get }
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:6:10: note: add @available attribute to enclosing protocol
protocol AxtNode: AxtElement {
         ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:57:33: error: 'filter' is only available in macOS 10.15 or newer
        try await rootDidChange.filter { condition() }.firstValue(timeout: timeout)
                                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:57:33: note: add 'if #available' version check
        try await rootDidChange.filter { condition() }.firstValue(timeout: timeout)
                                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:56:17: note: add @available attribute to enclosing instance method
    public func waitForCondition(timeout: TimeInterval, condition: @escaping () -> Bool) async throws {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:57:56: warning: conformance of 'AnyPublisher<Output, Failure>' to 'Publisher' is only available in macOS 10.15 or newer
        try await rootDidChange.filter { condition() }.firstValue(timeout: timeout)
                                                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:57:56: note: add 'if #available' version check
        try await rootDidChange.filter { condition() }.firstValue(timeout: timeout)
                                                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:56:17: note: add @available attribute to enclosing instance method
    public func waitForCondition(timeout: TimeInterval, condition: @escaping () -> Bool) async throws {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:61:43: error: 'map' is only available in macOS 10.15 or newer
        let axt = try await rootDidChange.map { self.axt }
                                          ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:61:43: note: add 'if #available' version check
        let axt = try await rootDidChange.map { self.axt }
                                          ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:60:17: note: add @available attribute to enclosing instance method
    public func waitForElement(id: String, timeout: TimeInterval) async throws -> AxtElement {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:62:14: error: 'compactMap' is only available in macOS 10.15 or newer
            .compactMap { axt in axt.find(where: { child in child.id == id }) }
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:62:14: note: add 'if #available' version check
            .compactMap { axt in axt.find(where: { child in child.id == id }) }
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:60:17: note: add @available attribute to enclosing instance method
    public func waitForElement(id: String, timeout: TimeInterval) async throws -> AxtElement {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:63:14: warning: conformance of 'AnyPublisher<Output, Failure>' to 'Publisher' is only available in macOS 10.15 or newer
            .firstValue(timeout: timeout)
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:63:14: note: add 'if #available' version check
            .firstValue(timeout: timeout)
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:60:17: note: add @available attribute to enclosing instance method
    public func waitForElement(id: String, timeout: TimeInterval) async throws -> AxtElement {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:68:37: error: 'map' is only available in macOS 10.15 or newer
        _ = try await rootDidChange.map { self.axt }
                                    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:68:37: note: add 'if #available' version check
        _ = try await rootDidChange.map { self.axt }
                                    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:67:17: note: add @available attribute to enclosing instance method
    public func waitForUpdate(timeout: TimeInterval) async throws {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:69:14: error: 'removeDuplicates()' is only available in macOS 10.15 or newer
            .removeDuplicates()
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:69:14: note: add 'if #available' version check
            .removeDuplicates()
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:67:17: note: add @available attribute to enclosing instance method
    public func waitForUpdate(timeout: TimeInterval) async throws {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:70:14: warning: conformance of 'AnyPublisher<Output, Failure>' to 'Publisher' is only available in macOS 10.15 or newer
            .firstValue(timeout: timeout)
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:70:14: note: add 'if #available' version check
            .firstValue(timeout: timeout)
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:67:17: note: add @available attribute to enclosing instance method
    public func waitForUpdate(timeout: TimeInterval) async throws {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:48: error: 'compactMap' is only available in macOS 10.15 or newer
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:48: note: add 'if #available' version check
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:73:17: note: add @available attribute to enclosing instance method
    public func watchHierarchy() async {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:94: error: 'prepend' is only available in macOS 10.15 or newer
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                                                                             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:94: note: add 'if #available' version check
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                                                                             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:73:17: note: add @available attribute to enclosing instance method
    public func watchHierarchy() async {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:129: warning: conformance of 'AnyPublisher<Output, Failure>' to 'Publisher' is only available in macOS 10.15 or newer
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                                                                                                                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:129: note: add 'if #available' version check
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                                                                                                                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:73:17: note: add @available attribute to enclosing instance method
    public func watchHierarchy() async {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
<unknown>:0: error: 'makeAsyncIterator()' is only available in macOS 10.15 or newer
[20/21] Compiling Axt AxtElement.swift
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:9:24: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    let rootDidChange: AnyPublisher<Void, Never>
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:6:7: note: add @available attribute to enclosing class
class AxtChildNode: AxtNode {
      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:11:69: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    init(nodeId: UUID, getRoot: @escaping () -> Axt, rootDidChange: AnyPublisher<Void, Never>) {
                                                                    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:11:5: note: add @available attribute to enclosing initializer
    init(nodeId: UUID, getRoot: @escaping () -> Axt, rootDidChange: AnyPublisher<Void, Never>) {
    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:6:7: note: add @available attribute to enclosing class
class AxtChildNode: AxtNode {
      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:9:24: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { get }
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:9:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { get }
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:6:10: note: add @available attribute to enclosing protocol
protocol AxtNode: AxtElement {
         ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:57:33: error: 'filter' is only available in macOS 10.15 or newer
        try await rootDidChange.filter { condition() }.firstValue(timeout: timeout)
                                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:57:33: note: add 'if #available' version check
        try await rootDidChange.filter { condition() }.firstValue(timeout: timeout)
                                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:56:17: note: add @available attribute to enclosing instance method
    public func waitForCondition(timeout: TimeInterval, condition: @escaping () -> Bool) async throws {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:57:56: warning: conformance of 'AnyPublisher<Output, Failure>' to 'Publisher' is only available in macOS 10.15 or newer
        try await rootDidChange.filter { condition() }.firstValue(timeout: timeout)
                                                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:57:56: note: add 'if #available' version check
        try await rootDidChange.filter { condition() }.firstValue(timeout: timeout)
                                                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:56:17: note: add @available attribute to enclosing instance method
    public func waitForCondition(timeout: TimeInterval, condition: @escaping () -> Bool) async throws {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:61:43: error: 'map' is only available in macOS 10.15 or newer
        let axt = try await rootDidChange.map { self.axt }
                                          ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:61:43: note: add 'if #available' version check
        let axt = try await rootDidChange.map { self.axt }
                                          ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:60:17: note: add @available attribute to enclosing instance method
    public func waitForElement(id: String, timeout: TimeInterval) async throws -> AxtElement {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:62:14: error: 'compactMap' is only available in macOS 10.15 or newer
            .compactMap { axt in axt.find(where: { child in child.id == id }) }
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:62:14: note: add 'if #available' version check
            .compactMap { axt in axt.find(where: { child in child.id == id }) }
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:60:17: note: add @available attribute to enclosing instance method
    public func waitForElement(id: String, timeout: TimeInterval) async throws -> AxtElement {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:63:14: warning: conformance of 'AnyPublisher<Output, Failure>' to 'Publisher' is only available in macOS 10.15 or newer
            .firstValue(timeout: timeout)
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:63:14: note: add 'if #available' version check
            .firstValue(timeout: timeout)
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:60:17: note: add @available attribute to enclosing instance method
    public func waitForElement(id: String, timeout: TimeInterval) async throws -> AxtElement {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:68:37: error: 'map' is only available in macOS 10.15 or newer
        _ = try await rootDidChange.map { self.axt }
                                    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:68:37: note: add 'if #available' version check
        _ = try await rootDidChange.map { self.axt }
                                    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:67:17: note: add @available attribute to enclosing instance method
    public func waitForUpdate(timeout: TimeInterval) async throws {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:69:14: error: 'removeDuplicates()' is only available in macOS 10.15 or newer
            .removeDuplicates()
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:69:14: note: add 'if #available' version check
            .removeDuplicates()
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:67:17: note: add @available attribute to enclosing instance method
    public func waitForUpdate(timeout: TimeInterval) async throws {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:70:14: warning: conformance of 'AnyPublisher<Output, Failure>' to 'Publisher' is only available in macOS 10.15 or newer
            .firstValue(timeout: timeout)
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:70:14: note: add 'if #available' version check
            .firstValue(timeout: timeout)
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:67:17: note: add @available attribute to enclosing instance method
    public func waitForUpdate(timeout: TimeInterval) async throws {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:48: error: 'compactMap' is only available in macOS 10.15 or newer
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:48: note: add 'if #available' version check
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:73:17: note: add @available attribute to enclosing instance method
    public func watchHierarchy() async {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:94: error: 'prepend' is only available in macOS 10.15 or newer
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                                                                             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:94: note: add 'if #available' version check
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                                                                             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:73:17: note: add @available attribute to enclosing instance method
    public func watchHierarchy() async {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:129: warning: conformance of 'AnyPublisher<Output, Failure>' to 'Publisher' is only available in macOS 10.15 or newer
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                                                                                                                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:129: note: add 'if #available' version check
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                                                                                                                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:73:17: note: add @available attribute to enclosing instance method
    public func watchHierarchy() async {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
<unknown>:0: error: 'makeAsyncIterator()' is only available in macOS 10.15 or newer
[21/21] Compiling Axt AxtNode.swift
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:9:24: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    let rootDidChange: AnyPublisher<Void, Never>
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:6:7: note: add @available attribute to enclosing class
class AxtChildNode: AxtNode {
      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:11:69: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    init(nodeId: UUID, getRoot: @escaping () -> Axt, rootDidChange: AnyPublisher<Void, Never>) {
                                                                    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:11:5: note: add @available attribute to enclosing initializer
    init(nodeId: UUID, getRoot: @escaping () -> Axt, rootDidChange: AnyPublisher<Void, Never>) {
    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:6:7: note: add @available attribute to enclosing class
class AxtChildNode: AxtNode {
      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:9:24: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { get }
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:9:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { get }
        ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:6:10: note: add @available attribute to enclosing protocol
protocol AxtNode: AxtElement {
         ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:57:33: error: 'filter' is only available in macOS 10.15 or newer
        try await rootDidChange.filter { condition() }.firstValue(timeout: timeout)
                                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:57:33: note: add 'if #available' version check
        try await rootDidChange.filter { condition() }.firstValue(timeout: timeout)
                                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:56:17: note: add @available attribute to enclosing instance method
    public func waitForCondition(timeout: TimeInterval, condition: @escaping () -> Bool) async throws {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:57:56: warning: conformance of 'AnyPublisher<Output, Failure>' to 'Publisher' is only available in macOS 10.15 or newer
        try await rootDidChange.filter { condition() }.firstValue(timeout: timeout)
                                                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:57:56: note: add 'if #available' version check
        try await rootDidChange.filter { condition() }.firstValue(timeout: timeout)
                                                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:56:17: note: add @available attribute to enclosing instance method
    public func waitForCondition(timeout: TimeInterval, condition: @escaping () -> Bool) async throws {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:61:43: error: 'map' is only available in macOS 10.15 or newer
        let axt = try await rootDidChange.map { self.axt }
                                          ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:61:43: note: add 'if #available' version check
        let axt = try await rootDidChange.map { self.axt }
                                          ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:60:17: note: add @available attribute to enclosing instance method
    public func waitForElement(id: String, timeout: TimeInterval) async throws -> AxtElement {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:62:14: error: 'compactMap' is only available in macOS 10.15 or newer
            .compactMap { axt in axt.find(where: { child in child.id == id }) }
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:62:14: note: add 'if #available' version check
            .compactMap { axt in axt.find(where: { child in child.id == id }) }
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:60:17: note: add @available attribute to enclosing instance method
    public func waitForElement(id: String, timeout: TimeInterval) async throws -> AxtElement {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:63:14: warning: conformance of 'AnyPublisher<Output, Failure>' to 'Publisher' is only available in macOS 10.15 or newer
            .firstValue(timeout: timeout)
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:63:14: note: add 'if #available' version check
            .firstValue(timeout: timeout)
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:60:17: note: add @available attribute to enclosing instance method
    public func waitForElement(id: String, timeout: TimeInterval) async throws -> AxtElement {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:68:37: error: 'map' is only available in macOS 10.15 or newer
        _ = try await rootDidChange.map { self.axt }
                                    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:68:37: note: add 'if #available' version check
        _ = try await rootDidChange.map { self.axt }
                                    ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:67:17: note: add @available attribute to enclosing instance method
    public func waitForUpdate(timeout: TimeInterval) async throws {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:69:14: error: 'removeDuplicates()' is only available in macOS 10.15 or newer
            .removeDuplicates()
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:69:14: note: add 'if #available' version check
            .removeDuplicates()
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:67:17: note: add @available attribute to enclosing instance method
    public func waitForUpdate(timeout: TimeInterval) async throws {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:70:14: warning: conformance of 'AnyPublisher<Output, Failure>' to 'Publisher' is only available in macOS 10.15 or newer
            .firstValue(timeout: timeout)
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:70:14: note: add 'if #available' version check
            .firstValue(timeout: timeout)
             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:67:17: note: add @available attribute to enclosing instance method
    public func waitForUpdate(timeout: TimeInterval) async throws {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:48: error: 'compactMap' is only available in macOS 10.15 or newer
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:48: note: add 'if #available' version check
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                               ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:73:17: note: add @available attribute to enclosing instance method
    public func watchHierarchy() async {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:94: error: 'prepend' is only available in macOS 10.15 or newer
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                                                                             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:94: note: add 'if #available' version check
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                                                                             ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:73:17: note: add @available attribute to enclosing instance method
    public func watchHierarchy() async {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:129: warning: conformance of 'AnyPublisher<Output, Failure>' to 'Publisher' is only available in macOS 10.15 or newer
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                                                                                                                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:129: note: add 'if #available' version check
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                                                                                                                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:73:17: note: add @available attribute to enclosing instance method
    public func watchHierarchy() async {
                ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
<unknown>:0: error: 'makeAsyncIterator()' is only available in macOS 10.15 or newer
error: fatalError
BUILD FAILURE 5.10 macosSpm