CardStack – 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 CardStack with Swift 5.8 for macOS (SPM).

Build Command

env DEVELOPER_DIR=/Applications/Xcode-14.3.1.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.34.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/notsobigcompany/CardStack.git
Reference: 1.0.0
Initialized empty Git repository in /Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/notsobigcompany/CardStack
 * tag               1.0.0      -> FETCH_HEAD
HEAD is now at 33417ef Updates demo
Cloned https://github.com/notsobigcompany/CardStack.git
Revision (git rev-parse @):
33417ef29fdc4169712cb3b8bf0ddbd7b6ef52c5
SUCCESS checkout https://github.com/notsobigcompany/CardStack.git at 1.0.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.8
Building package at path:  $workDir
https://github.com/notsobigcompany/CardStack.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-14.3.1.app xcrun swift build --arch arm64
Building for debugging...
error: emit-module command failed with exit code 1 (use -v to see invocation)
[1/2] Emitting module CardStack
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:7:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var currentIndex: Double = 0.0
     ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:8:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var previousIndex: Double = 0.0
     ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:11:6: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    @ViewBuilder private let content: (Data.Element) -> Content
     ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:12:6: error: 'Binding' is only available in macOS 10.15 or newer
    @Binding var finalCurrentIndex: Int
     ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:19:45: error: 'Binding' is only available in macOS 10.15 or newer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
                                            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:19:12: note: add @available attribute to enclosing initializer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:19:75: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
                                                                          ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:19:12: note: add @available attribute to enclosing initializer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:27: error: 'View' is only available in macOS 10.15 or newer
    public var body: some View {
                          ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:38:35: error: 'Gesture' is only available in macOS 10.15 or newer
    private var dragGesture: some Gesture {
                                  ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:38:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:96: error: 'Identifiable' is only available in macOS 10.15 or newer
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
                                                                                               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:119: error: 'View' is only available in macOS 10.15 or newer
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
                                                                                                                      ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:118:20: error: 'Color' is only available in macOS 10.15 or newer
        let color: Color
                   ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:116:12: note: add @available attribute to enclosing struct
    struct DemoItem: Identifiable {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:10: error: 'State' is only available in macOS 10.15 or newer
        @State private var currentIndex = 0
         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:127:10: error: 'State' is only available in macOS 10.15 or newer
        @State private var tappedIndex: Int? = nil
         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:24: error: 'View' is only available in macOS 10.15 or newer
        var body: some View {
                       ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:167:31: error: 'View' is only available in macOS 10.15 or newer
    static var previews: some View {
                              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:167:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:114:8: note: add @available attribute to enclosing struct
struct CardStackView_Previews: PreviewProvider {
       ^
[2/2] Compiling CardStack CardStack.swift
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:7:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var currentIndex: Double = 0.0
     ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:8:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var previousIndex: Double = 0.0
     ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:11:6: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    @ViewBuilder private let content: (Data.Element) -> Content
     ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:12:6: error: 'Binding' is only available in macOS 10.15 or newer
    @Binding var finalCurrentIndex: Int
     ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:19:45: error: 'Binding' is only available in macOS 10.15 or newer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
                                            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:19:12: note: add @available attribute to enclosing initializer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:19:75: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
                                                                          ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:19:12: note: add @available attribute to enclosing initializer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:27: error: 'View' is only available in macOS 10.15 or newer
    public var body: some View {
                          ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:38:35: error: 'Gesture' is only available in macOS 10.15 or newer
    private var dragGesture: some Gesture {
                                  ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:38:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:96: error: 'Identifiable' is only available in macOS 10.15 or newer
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
                                                                                               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:119: error: 'View' is only available in macOS 10.15 or newer
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
                                                                                                                      ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:118:20: error: 'Color' is only available in macOS 10.15 or newer
        let color: Color
                   ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:116:12: note: add @available attribute to enclosing struct
    struct DemoItem: Identifiable {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:10: error: 'State' is only available in macOS 10.15 or newer
        @State private var currentIndex = 0
         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:127:10: error: 'State' is only available in macOS 10.15 or newer
        @State private var tappedIndex: Int? = nil
         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:24: error: 'View' is only available in macOS 10.15 or newer
        var body: some View {
                       ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:167:31: error: 'View' is only available in macOS 10.15 or newer
    static var previews: some View {
                              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:167:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:114:8: note: add @available attribute to enclosing struct
struct CardStackView_Previews: PreviewProvider {
       ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:9: error: 'ZStack' is only available in macOS 10.15 or newer
        ZStack {
        ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:9: note: add 'if #available' version check
        ZStack {
        ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:9: warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer
        ZStack {
        ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:9: note: add 'if #available' version check
        ZStack {
        ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:27:13: warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer
            ForEach(Array(data.enumerated()), id: \.element.id) { (index, element) in
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:27:13: error: 'ForEach' is only available in macOS 10.15 or newer
            ForEach(Array(data.enumerated()), id: \.element.id) { (index, element) in
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:27:13: error: 'init(_:id:content:)' is only available in macOS 10.15 or newer
            ForEach(Array(data.enumerated()), id: \.element.id) { (index, element) in
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:29:22: error: 'zIndex' is only available in macOS 10.15 or newer
                    .zIndex(zIndex(for: index))
                     ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:30:22: error: 'offset(x:y:)' is only available in macOS 10.15 or newer
                    .offset(x: xOffset(for: index), y: 0)
                     ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:31:22: error: 'scaleEffect(_:anchor:)' is only available in macOS 10.15 or newer
                    .scaleEffect(scale(for: index), anchor: .center)
                     ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:32:22: error: 'rotationEffect(_:anchor:)' is only available in macOS 10.15 or newer
                    .rotationEffect(.degrees(rotationDegrees(for: index)))
                     ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer
        ZStack {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:35:10: error: 'highPriorityGesture(_:including:)' is only available in macOS 10.15 or newer
        .highPriorityGesture(dragGesture)
         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:35:10: note: add 'if #available' version check
        .highPriorityGesture(dragGesture)
         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:9: error: 'DragGesture' is only available in macOS 10.15 or newer
        DragGesture()
        ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:9: note: add 'if #available' version check
        DragGesture()
        ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:38:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:40:14: error: 'onChanged' is only available in macOS 10.15 or newer
            .onChanged { value in
             ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:40:14: note: add 'if #available' version check
            .onChanged { value in
             ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:38:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:41:17: error: 'withAnimation' is only available in macOS 10.15 or newer
                withAnimation(.interactiveSpring()) {
                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:41:17: note: add 'if #available' version check
                withAnimation(.interactiveSpring()) {
                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:38:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:41:32: error: 'interactiveSpring(response:dampingFraction:blendDuration:)' is only available in macOS 10.15 or newer
                withAnimation(.interactiveSpring()) {
                               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:41:32: note: add 'if #available' version check
                withAnimation(.interactiveSpring()) {
                               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:38:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:46:14: error: 'onEnded' is only available in macOS 10.15 or newer
            .onEnded { value in
             ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:46:14: note: add 'if #available' version check
            .onEnded { value in
             ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:38:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:53:9: error: 'withAnimation' is only available in macOS 10.15 or newer
        withAnimation(.interpolatingSpring(stiffness: 300, damping: 40)) {
        ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:53:9: note: add 'if #available' version check
        withAnimation(.interpolatingSpring(stiffness: 300, damping: 40)) {
        ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:52:18: note: add @available attribute to enclosing instance method
    private func snapToNearestAbsoluteIndex(_ predictedEndTranslation: CGSize) {
                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:53:24: error: 'interpolatingSpring(mass:stiffness:damping:initialVelocity:)' is only available in macOS 10.15 or newer
        withAnimation(.interpolatingSpring(stiffness: 300, damping: 40)) {
                       ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:53:24: note: add 'if #available' version check
        withAnimation(.interpolatingSpring(stiffness: 300, damping: 40)) {
                       ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:52:18: note: add @available attribute to enclosing instance method
    private func snapToNearestAbsoluteIndex(_ predictedEndTranslation: CGSize) {
                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:131:47: error: 'red' is only available in macOS 10.15 or newer
                DemoItem(name: "Red", color: .red),
                                              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:131:47: note: add 'if #available' version check
                DemoItem(name: "Red", color: .red),
                                              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:132:50: error: 'orange' is only available in macOS 10.15 or newer
                DemoItem(name: "Orange", color: .orange),
                                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:132:50: note: add 'if #available' version check
                DemoItem(name: "Orange", color: .orange),
                                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:133:50: error: 'yellow' is only available in macOS 10.15 or newer
                DemoItem(name: "Yellow", color: .yellow),
                                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:133:50: note: add 'if #available' version check
                DemoItem(name: "Yellow", color: .yellow),
                                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:134:49: error: 'green' is only available in macOS 10.15 or newer
                DemoItem(name: "Green", color: .green),
                                                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:134:49: note: add 'if #available' version check
                DemoItem(name: "Green", color: .green),
                                                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:135:48: error: 'blue' is only available in macOS 10.15 or newer
                DemoItem(name: "Blue", color: .blue),
                                               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:135:48: note: add 'if #available' version check
                DemoItem(name: "Blue", color: .blue),
                                               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:136:50: error: 'purple' is only available in macOS 10.15 or newer
                DemoItem(name: "Purple", color: .purple),
                                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:136:50: note: add 'if #available' version check
                DemoItem(name: "Purple", color: .purple),
                                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:139:13: error: 'VStack' is only available in macOS 10.15 or newer
            VStack {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:139:13: note: add 'if #available' version check
            VStack {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:141:21: error: 'RoundedRectangle' is only available in macOS 10.15 or newer
                    RoundedRectangle(cornerRadius: 20, style: .continuous)
                    ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:141:21: note: add 'if #available' version check
                    RoundedRectangle(cornerRadius: 20, style: .continuous)
                    ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:142:26: error: 'fill(_:style:)' is only available in macOS 10.15 or newer
                        .fill(namedColor.color)
                         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:142:26: note: add 'if #available' version check
                        .fill(namedColor.color)
                         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:143:26: error: 'overlay(_:alignment:)' is only available in macOS 10.15 or newer
                        .overlay(
                         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:143:26: note: add 'if #available' version check
                        .overlay(
                         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:144:29: error: 'Text' is only available in macOS 10.15 or newer
                            Text(namedColor.name)
                            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:144:29: note: add 'if #available' version check
                            Text(namedColor.name)
                            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:145:34: error: 'font' is only available in macOS 10.15 or newer
                                .font(.largeTitle)
                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:145:34: note: add 'if #available' version check
                                .font(.largeTitle)
                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:145:40: error: 'largeTitle' is only available in macOS 10.15 or newer
                                .font(.largeTitle)
                                       ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:145:40: note: add 'if #available' version check
                                .font(.largeTitle)
                                       ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:146:34: error: 'fontWeight' is only available in macOS 10.15 or newer
                                .fontWeight(.bold)
                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:146:34: note: add 'if #available' version check
                                .fontWeight(.bold)
                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:147:34: error: 'foregroundColor' is only available in macOS 10.15 or newer
                                .foregroundColor(.white)
                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:147:34: note: add 'if #available' version check
                                .foregroundColor(.white)
                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:147:51: error: 'white' is only available in macOS 10.15 or newer
                                .foregroundColor(.white)
                                                  ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:147:51: note: add 'if #available' version check
                                .foregroundColor(.white)
                                                  ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:149:26: error: 'frame(width:height:alignment:)' is only available in macOS 10.15 or newer
                        .frame(height: 400)
                         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:149:26: note: add 'if #available' version check
                        .frame(height: 400)
                         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:150:26: error: 'onTapGesture(count:perform:)' is only available in macOS 10.15 or newer
                        .onTapGesture {
                         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:150:26: note: add 'if #available' version check
                        .onTapGesture {
                         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:153:26: error: 'padding' is only available in macOS 10.15 or newer
                        .padding(50)
                         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:153:26: note: add 'if #available' version check
                        .padding(50)
                         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:157:17: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
                Text("Current card is \(currentIndex)")
                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:157:17: note: add 'if #available' version check
                Text("Current card is \(currentIndex)")
                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:157:17: error: 'Text' is only available in macOS 10.15 or newer
                Text("Current card is \(currentIndex)")
                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:157:17: note: add 'if #available' version check
                Text("Current card is \(currentIndex)")
                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:159:21: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
                    Text("Card \(tappedIndex) was tapped")
                    ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:159:21: note: add 'if #available' version check
                    Text("Card \(tappedIndex) was tapped")
                    ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:159:21: error: 'Text' is only available in macOS 10.15 or newer
                    Text("Card \(tappedIndex) was tapped")
                    ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:159:21: note: add 'if #available' version check
                    Text("Card \(tappedIndex) was tapped")
                    ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:158:50: error: 'buildEither(first:)' is only available in macOS 10.15 or newer
                if let tappedIndex = tappedIndex {
                                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:158:50: note: add 'if #available' version check
                if let tappedIndex = tappedIndex {
                                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:158:50: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
                if let tappedIndex = tappedIndex {
                                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:158:50: note: add 'if #available' version check
                if let tappedIndex = tappedIndex {
                                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:161:21: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
                    Text("No card has been tapped")
                    ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:161:21: note: add 'if #available' version check
                    Text("No card has been tapped")
                    ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:161:21: error: 'Text' is only available in macOS 10.15 or newer
                    Text("No card has been tapped")
                    ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:161:21: note: add 'if #available' version check
                    Text("No card has been tapped")
                    ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:160:24: error: 'buildEither(second:)' is only available in macOS 10.15 or newer
                } else {
                       ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:160:24: note: add 'if #available' version check
                } else {
                       ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:160:24: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
                } else {
                       ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:160:24: note: add 'if #available' version check
                } else {
                       ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:139:20: error: 'buildBlock' is only available in macOS 10.15 or newer
            VStack {
                   ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:139:20: note: add 'if #available' version check
            VStack {
                   ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
[0/1] Planning build
Building for debugging...
error: emit-module command failed with exit code 1 (use -v to see invocation)
[1/2] Emitting module CardStack
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:7:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var currentIndex: Double = 0.0
     ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:8:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var previousIndex: Double = 0.0
     ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:11:6: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    @ViewBuilder private let content: (Data.Element) -> Content
     ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:12:6: error: 'Binding' is only available in macOS 10.15 or newer
    @Binding var finalCurrentIndex: Int
     ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:19:45: error: 'Binding' is only available in macOS 10.15 or newer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
                                            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:19:12: note: add @available attribute to enclosing initializer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:19:75: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
                                                                          ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:19:12: note: add @available attribute to enclosing initializer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:27: error: 'View' is only available in macOS 10.15 or newer
    public var body: some View {
                          ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:38:35: error: 'Gesture' is only available in macOS 10.15 or newer
    private var dragGesture: some Gesture {
                                  ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:38:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:96: error: 'Identifiable' is only available in macOS 10.15 or newer
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
                                                                                               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:119: error: 'View' is only available in macOS 10.15 or newer
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
                                                                                                                      ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:118:20: error: 'Color' is only available in macOS 10.15 or newer
        let color: Color
                   ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:116:12: note: add @available attribute to enclosing struct
    struct DemoItem: Identifiable {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:10: error: 'State' is only available in macOS 10.15 or newer
        @State private var currentIndex = 0
         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:127:10: error: 'State' is only available in macOS 10.15 or newer
        @State private var tappedIndex: Int? = nil
         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:24: error: 'View' is only available in macOS 10.15 or newer
        var body: some View {
                       ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:167:31: error: 'View' is only available in macOS 10.15 or newer
    static var previews: some View {
                              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:167:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:114:8: note: add @available attribute to enclosing struct
struct CardStackView_Previews: PreviewProvider {
       ^
[2/2] Compiling CardStack CardStack.swift
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:7:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var currentIndex: Double = 0.0
     ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:8:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var previousIndex: Double = 0.0
     ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:11:6: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    @ViewBuilder private let content: (Data.Element) -> Content
     ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:12:6: error: 'Binding' is only available in macOS 10.15 or newer
    @Binding var finalCurrentIndex: Int
     ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:19:45: error: 'Binding' is only available in macOS 10.15 or newer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
                                            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:19:12: note: add @available attribute to enclosing initializer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:19:75: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
                                                                          ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:19:12: note: add @available attribute to enclosing initializer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:27: error: 'View' is only available in macOS 10.15 or newer
    public var body: some View {
                          ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:38:35: error: 'Gesture' is only available in macOS 10.15 or newer
    private var dragGesture: some Gesture {
                                  ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:38:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:96: error: 'Identifiable' is only available in macOS 10.15 or newer
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
                                                                                               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:119: error: 'View' is only available in macOS 10.15 or newer
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
                                                                                                                      ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:118:20: error: 'Color' is only available in macOS 10.15 or newer
        let color: Color
                   ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:116:12: note: add @available attribute to enclosing struct
    struct DemoItem: Identifiable {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:10: error: 'State' is only available in macOS 10.15 or newer
        @State private var currentIndex = 0
         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:127:10: error: 'State' is only available in macOS 10.15 or newer
        @State private var tappedIndex: Int? = nil
         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:24: error: 'View' is only available in macOS 10.15 or newer
        var body: some View {
                       ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:167:31: error: 'View' is only available in macOS 10.15 or newer
    static var previews: some View {
                              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:167:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:114:8: note: add @available attribute to enclosing struct
struct CardStackView_Previews: PreviewProvider {
       ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:9: error: 'ZStack' is only available in macOS 10.15 or newer
        ZStack {
        ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:9: note: add 'if #available' version check
        ZStack {
        ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:9: warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer
        ZStack {
        ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:9: note: add 'if #available' version check
        ZStack {
        ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:27:13: warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer
            ForEach(Array(data.enumerated()), id: \.element.id) { (index, element) in
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:27:13: error: 'ForEach' is only available in macOS 10.15 or newer
            ForEach(Array(data.enumerated()), id: \.element.id) { (index, element) in
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:27:13: error: 'init(_:id:content:)' is only available in macOS 10.15 or newer
            ForEach(Array(data.enumerated()), id: \.element.id) { (index, element) in
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:29:22: error: 'zIndex' is only available in macOS 10.15 or newer
                    .zIndex(zIndex(for: index))
                     ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:30:22: error: 'offset(x:y:)' is only available in macOS 10.15 or newer
                    .offset(x: xOffset(for: index), y: 0)
                     ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:31:22: error: 'scaleEffect(_:anchor:)' is only available in macOS 10.15 or newer
                    .scaleEffect(scale(for: index), anchor: .center)
                     ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:32:22: error: 'rotationEffect(_:anchor:)' is only available in macOS 10.15 or newer
                    .rotationEffect(.degrees(rotationDegrees(for: index)))
                     ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: warning: conformance of 'ForEach<Data, ID, Content>' to 'View' is only available in macOS 10.15 or newer
        ZStack {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:35:10: error: 'highPriorityGesture(_:including:)' is only available in macOS 10.15 or newer
        .highPriorityGesture(dragGesture)
         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:35:10: note: add 'if #available' version check
        .highPriorityGesture(dragGesture)
         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:25:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:9: error: 'DragGesture' is only available in macOS 10.15 or newer
        DragGesture()
        ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:9: note: add 'if #available' version check
        DragGesture()
        ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:38:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:40:14: error: 'onChanged' is only available in macOS 10.15 or newer
            .onChanged { value in
             ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:40:14: note: add 'if #available' version check
            .onChanged { value in
             ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:38:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:41:17: error: 'withAnimation' is only available in macOS 10.15 or newer
                withAnimation(.interactiveSpring()) {
                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:41:17: note: add 'if #available' version check
                withAnimation(.interactiveSpring()) {
                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:38:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:41:32: error: 'interactiveSpring(response:dampingFraction:blendDuration:)' is only available in macOS 10.15 or newer
                withAnimation(.interactiveSpring()) {
                               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:41:32: note: add 'if #available' version check
                withAnimation(.interactiveSpring()) {
                               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:38:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:46:14: error: 'onEnded' is only available in macOS 10.15 or newer
            .onEnded { value in
             ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:46:14: note: add 'if #available' version check
            .onEnded { value in
             ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:38:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:53:9: error: 'withAnimation' is only available in macOS 10.15 or newer
        withAnimation(.interpolatingSpring(stiffness: 300, damping: 40)) {
        ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:53:9: note: add 'if #available' version check
        withAnimation(.interpolatingSpring(stiffness: 300, damping: 40)) {
        ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:52:18: note: add @available attribute to enclosing instance method
    private func snapToNearestAbsoluteIndex(_ predictedEndTranslation: CGSize) {
                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:53:24: error: 'interpolatingSpring(mass:stiffness:damping:initialVelocity:)' is only available in macOS 10.15 or newer
        withAnimation(.interpolatingSpring(stiffness: 300, damping: 40)) {
                       ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:53:24: note: add 'if #available' version check
        withAnimation(.interpolatingSpring(stiffness: 300, damping: 40)) {
                       ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:52:18: note: add @available attribute to enclosing instance method
    private func snapToNearestAbsoluteIndex(_ predictedEndTranslation: CGSize) {
                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:6:15: note: add @available attribute to enclosing generic struct
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:131:47: error: 'red' is only available in macOS 10.15 or newer
                DemoItem(name: "Red", color: .red),
                                              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:131:47: note: add 'if #available' version check
                DemoItem(name: "Red", color: .red),
                                              ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:132:50: error: 'orange' is only available in macOS 10.15 or newer
                DemoItem(name: "Orange", color: .orange),
                                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:132:50: note: add 'if #available' version check
                DemoItem(name: "Orange", color: .orange),
                                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:133:50: error: 'yellow' is only available in macOS 10.15 or newer
                DemoItem(name: "Yellow", color: .yellow),
                                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:133:50: note: add 'if #available' version check
                DemoItem(name: "Yellow", color: .yellow),
                                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:134:49: error: 'green' is only available in macOS 10.15 or newer
                DemoItem(name: "Green", color: .green),
                                                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:134:49: note: add 'if #available' version check
                DemoItem(name: "Green", color: .green),
                                                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:135:48: error: 'blue' is only available in macOS 10.15 or newer
                DemoItem(name: "Blue", color: .blue),
                                               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:135:48: note: add 'if #available' version check
                DemoItem(name: "Blue", color: .blue),
                                               ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:136:50: error: 'purple' is only available in macOS 10.15 or newer
                DemoItem(name: "Purple", color: .purple),
                                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:136:50: note: add 'if #available' version check
                DemoItem(name: "Purple", color: .purple),
                                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:139:13: error: 'VStack' is only available in macOS 10.15 or newer
            VStack {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:139:13: note: add 'if #available' version check
            VStack {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:141:21: error: 'RoundedRectangle' is only available in macOS 10.15 or newer
                    RoundedRectangle(cornerRadius: 20, style: .continuous)
                    ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:141:21: note: add 'if #available' version check
                    RoundedRectangle(cornerRadius: 20, style: .continuous)
                    ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:142:26: error: 'fill(_:style:)' is only available in macOS 10.15 or newer
                        .fill(namedColor.color)
                         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:142:26: note: add 'if #available' version check
                        .fill(namedColor.color)
                         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:143:26: error: 'overlay(_:alignment:)' is only available in macOS 10.15 or newer
                        .overlay(
                         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:143:26: note: add 'if #available' version check
                        .overlay(
                         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:144:29: error: 'Text' is only available in macOS 10.15 or newer
                            Text(namedColor.name)
                            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:144:29: note: add 'if #available' version check
                            Text(namedColor.name)
                            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:145:34: error: 'font' is only available in macOS 10.15 or newer
                                .font(.largeTitle)
                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:145:34: note: add 'if #available' version check
                                .font(.largeTitle)
                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:145:40: error: 'largeTitle' is only available in macOS 10.15 or newer
                                .font(.largeTitle)
                                       ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:145:40: note: add 'if #available' version check
                                .font(.largeTitle)
                                       ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:146:34: error: 'fontWeight' is only available in macOS 10.15 or newer
                                .fontWeight(.bold)
                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:146:34: note: add 'if #available' version check
                                .fontWeight(.bold)
                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:147:34: error: 'foregroundColor' is only available in macOS 10.15 or newer
                                .foregroundColor(.white)
                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:147:34: note: add 'if #available' version check
                                .foregroundColor(.white)
                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:147:51: error: 'white' is only available in macOS 10.15 or newer
                                .foregroundColor(.white)
                                                  ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:147:51: note: add 'if #available' version check
                                .foregroundColor(.white)
                                                  ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:149:26: error: 'frame(width:height:alignment:)' is only available in macOS 10.15 or newer
                        .frame(height: 400)
                         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:149:26: note: add 'if #available' version check
                        .frame(height: 400)
                         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:150:26: error: 'onTapGesture(count:perform:)' is only available in macOS 10.15 or newer
                        .onTapGesture {
                         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:150:26: note: add 'if #available' version check
                        .onTapGesture {
                         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:153:26: error: 'padding' is only available in macOS 10.15 or newer
                        .padding(50)
                         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:153:26: note: add 'if #available' version check
                        .padding(50)
                         ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:157:17: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
                Text("Current card is \(currentIndex)")
                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:157:17: note: add 'if #available' version check
                Text("Current card is \(currentIndex)")
                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:157:17: error: 'Text' is only available in macOS 10.15 or newer
                Text("Current card is \(currentIndex)")
                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:157:17: note: add 'if #available' version check
                Text("Current card is \(currentIndex)")
                ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:159:21: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
                    Text("Card \(tappedIndex) was tapped")
                    ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:159:21: note: add 'if #available' version check
                    Text("Card \(tappedIndex) was tapped")
                    ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:159:21: error: 'Text' is only available in macOS 10.15 or newer
                    Text("Card \(tappedIndex) was tapped")
                    ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:159:21: note: add 'if #available' version check
                    Text("Card \(tappedIndex) was tapped")
                    ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:158:50: error: 'buildEither(first:)' is only available in macOS 10.15 or newer
                if let tappedIndex = tappedIndex {
                                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:158:50: note: add 'if #available' version check
                if let tappedIndex = tappedIndex {
                                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:158:50: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
                if let tappedIndex = tappedIndex {
                                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:158:50: note: add 'if #available' version check
                if let tappedIndex = tappedIndex {
                                                 ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:161:21: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
                    Text("No card has been tapped")
                    ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:161:21: note: add 'if #available' version check
                    Text("No card has been tapped")
                    ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:161:21: error: 'Text' is only available in macOS 10.15 or newer
                    Text("No card has been tapped")
                    ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:161:21: note: add 'if #available' version check
                    Text("No card has been tapped")
                    ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:160:24: error: 'buildEither(second:)' is only available in macOS 10.15 or newer
                } else {
                       ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:160:24: note: add 'if #available' version check
                } else {
                       ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:160:24: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
                } else {
                       ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:160:24: note: add 'if #available' version check
                } else {
                       ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:139:20: error: 'buildBlock' is only available in macOS 10.15 or newer
            VStack {
                   ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:139:20: note: add 'if #available' version check
            VStack {
                   ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:129:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/o86TiJKT/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:125:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
BUILD FAILURE 5.8 macosSpm