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Build Information

Failed to build PopoverPresenter, reference 0.2.1 (8bcc99), with Swift 6.1 for macOS (Xcode) using Xcode 16.3 on 27 Apr 2025 07:52:32 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme PopoverPresenter -destination platform=macOS,arch=arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/c-villain/PopoverPresenter.git
Reference: 0.2.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/c-villain/PopoverPresenter
 * tag               0.2.1      -> FETCH_HEAD
HEAD is now at 8bcc993 Update Package.swift
Cloned https://github.com/c-villain/PopoverPresenter.git
Revision (git rev-parse @):
8bcc993c39a82ef5121f7d0ab55e9caf9a6ae4d3
SUCCESS checkout https://github.com/c-villain/PopoverPresenter.git at 0.2.1
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.1
Building package at path:  $PWD
https://github.com/c-villain/PopoverPresenter.git
https://github.com/c-villain/PopoverPresenter.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "PopoverPresenter",
  "name" : "PopoverPresenter",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "PopoverPresenter",
      "targets" : [
        "PopoverPresenter"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "PopoverPresenter",
      "module_type" : "SwiftTarget",
      "name" : "PopoverPresenter",
      "path" : "Sources/PopoverPresenter",
      "product_memberships" : [
        "PopoverPresenter"
      ],
      "sources" : [
        "CustomPopover.swift",
        "PopoverPresenter.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  PopoverPresenter: /Users/admin/builder/spi-builder-workspace
resolved source packages: PopoverPresenter
{
  "dependencies" : [
  ],
  "manifest_display_name" : "PopoverPresenter",
  "name" : "PopoverPresenter",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "PopoverPresenter",
      "targets" : [
        "PopoverPresenter"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "PopoverPresenter",
      "module_type" : "SwiftTarget",
      "name" : "PopoverPresenter",
      "path" : "Sources/PopoverPresenter",
      "product_memberships" : [
        "PopoverPresenter"
      ],
      "sources" : [
        "CustomPopover.swift",
        "PopoverPresenter.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "PopoverPresenter"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme PopoverPresenter -destination platform=macOS,arch=arm64 OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme PopoverPresenter -destination platform=macOS,arch=arm64 "OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures"
Build settings from command line:
    OTHER_SWIFT_FLAGS = -stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Resolve Package Graph
Resolved source packages:
  PopoverPresenter: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
    Target 'PopoverPresenter' in project 'PopoverPresenter'
        ➜ Explicit dependency on target 'PopoverPresenter' in project 'PopoverPresenter'
    Target 'PopoverPresenter' in project 'PopoverPresenter' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 663900c5239eaa2d2ce7cd65fc0220fd
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/663900c5239eaa2d2ce7cd65fc0220fd.xcbuilddata
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
ClangStatCache /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/PopoverPresenter.DependencyStaticMetadataFileList (in target 'PopoverPresenter' from project 'PopoverPresenter')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/PopoverPresenter.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/PopoverPresenter.DependencyMetadataFileList (in target 'PopoverPresenter' from project 'PopoverPresenter')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/PopoverPresenter.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/PopoverPresenter.modulemap (in target 'PopoverPresenter' from project 'PopoverPresenter')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/PopoverPresenter.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter-OutputFileMap.json (in target 'PopoverPresenter' from project 'PopoverPresenter')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter.LinkFileList (in target 'PopoverPresenter' from project 'PopoverPresenter')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter.SwiftConstValuesFileList (in target 'PopoverPresenter' from project 'PopoverPresenter')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter_const_extract_protocols.json (in target 'PopoverPresenter' from project 'PopoverPresenter')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter.SwiftFileList (in target 'PopoverPresenter' from project 'PopoverPresenter')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter.SwiftFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps/PopoverPresenter.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/PopoverPresenter.modulemap (in target 'PopoverPresenter' from project 'PopoverPresenter')
    cd /Users/admin/builder/spi-builder-workspace
    builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/PopoverPresenter.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps
SwiftDriver PopoverPresenter normal arm64 com.apple.xcode.tools.swift.compiler (in target 'PopoverPresenter' from project 'PopoverPresenter')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name PopoverPresenter -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -stats-output-dir .stats -strict-concurrency\=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -target arm64-apple-macos10.13 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftEmitModule normal arm64 Emitting\ module\ for\ PopoverPresenter (in target 'PopoverPresenter' from project 'PopoverPresenter')
EmitSwiftModule normal arm64 (in target 'PopoverPresenter' from project 'PopoverPresenter')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:12:15: error: 'Binding' is only available in macOS 10.15 or newer
    var item: Binding<Item?>
              ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:10:8: note: add @available attribute to enclosing generic struct
struct CustomPopover<Item, PopoverContent>: ViewModifier where Item : Identifiable, PopoverContent: View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:15:6: error: 'State' is only available in macOS 10.15 or newer
    @State var isAlertPresented = false
     ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:10:8: note: add @available attribute to enclosing generic struct
struct CustomPopover<Item, PopoverContent>: ViewModifier where Item : Identifiable, PopoverContent: View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:17:16: error: 'Binding' is only available in macOS 10.15 or newer
    init(item: Binding<Item?>, onDismiss: (() -> Void)? = nil, @ViewBuilder popoverContent: (Item?) -> PopoverContent) {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:17:5: note: add @available attribute to enclosing initializer
    init(item: Binding<Item?>, onDismiss: (() -> Void)? = nil, @ViewBuilder popoverContent: (Item?) -> PopoverContent) {
    ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:10:8: note: add @available attribute to enclosing generic struct
struct CustomPopover<Item, PopoverContent>: ViewModifier where Item : Identifiable, PopoverContent: View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:17:65: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    init(item: Binding<Item?>, onDismiss: (() -> Void)? = nil, @ViewBuilder popoverContent: (Item?) -> PopoverContent) {
                                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:17:5: note: add @available attribute to enclosing initializer
    init(item: Binding<Item?>, onDismiss: (() -> Void)? = nil, @ViewBuilder popoverContent: (Item?) -> PopoverContent) {
    ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:10:8: note: add @available attribute to enclosing generic struct
struct CustomPopover<Item, PopoverContent>: ViewModifier where Item : Identifiable, PopoverContent: View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:23:48: error: 'View' is only available in macOS 10.15 or newer
    public func body(content: Content) -> some View {
                                               ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:23:17: note: add @available attribute to enclosing instance method
    public func body(content: Content) -> some View {
                ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:10:8: note: add @available attribute to enclosing generic struct
struct CustomPopover<Item, PopoverContent>: ViewModifier where Item : Identifiable, PopoverContent: View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:10:71: error: 'Identifiable' is only available in macOS 10.15 or newer
struct CustomPopover<Item, PopoverContent>: ViewModifier where Item : Identifiable, PopoverContent: View {
                                                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:10:8: note: add @available attribute to enclosing generic struct
struct CustomPopover<Item, PopoverContent>: ViewModifier where Item : Identifiable, PopoverContent: View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:10:101: error: 'View' is only available in macOS 10.15 or newer
struct CustomPopover<Item, PopoverContent>: ViewModifier where Item : Identifiable, PopoverContent: View {
                                                                                                    ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:10:8: note: add @available attribute to enclosing generic struct
struct CustomPopover<Item, PopoverContent>: ViewModifier where Item : Identifiable, PopoverContent: View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:62:117: error: 'Identifiable' is only available in macOS 10.15 or newer
                                      @ViewBuilder content: @escaping (Item?) -> Content) -> some View where Item : Identifiable,  Content : View {
                                                                                                                    ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:60:10: note: add @available attribute to enclosing instance method
    func customPopover<Item, Content>(item: Binding<Item?>,
         ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:59:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:62:142: error: 'View' is only available in macOS 10.15 or newer
                                      @ViewBuilder content: @escaping (Item?) -> Content) -> some View where Item : Identifiable,  Content : View {
                                                                                                                                             ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:60:10: note: add @available attribute to enclosing instance method
    func customPopover<Item, Content>(item: Binding<Item?>,
         ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:59:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:60:45: error: 'Binding' is only available in macOS 10.15 or newer
    func customPopover<Item, Content>(item: Binding<Item?>,
                                            ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:60:10: note: add @available attribute to enclosing instance method
    func customPopover<Item, Content>(item: Binding<Item?>,
         ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:59:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:62:40: error: 'ViewBuilder' is only available in macOS 10.15 or newer
                                      @ViewBuilder content: @escaping (Item?) -> Content) -> some View where Item : Identifiable,  Content : View {
                                       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:60:10: note: add @available attribute to enclosing instance method
    func customPopover<Item, Content>(item: Binding<Item?>,
         ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:59:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:62:99: error: 'View' is only available in macOS 10.15 or newer
                                      @ViewBuilder content: @escaping (Item?) -> Content) -> some View where Item : Identifiable,  Content : View {
                                                                                                  ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:60:10: note: add @available attribute to enclosing instance method
    func customPopover<Item, Content>(item: Binding<Item?>,
         ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:59:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:59:18: error: 'View' is only available in macOS 10.15 or newer
public extension View {
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:59:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift:5:23: warning: static property 'defaultValue' is not concurrency-safe because non-'Sendable' type 'PopoverPresenter' may have shared mutable state; this is an error in the Swift 6 language mode
    public static let defaultValue = PopoverPresenter()
                      ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift:25:20: note: class 'PopoverPresenter' does not conform to the 'Sendable' protocol
final public class PopoverPresenter: ObservableObject {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift:5:23: note: add '@MainActor' to make static property 'defaultValue' part of global actor 'MainActor'
    public static let defaultValue = PopoverPresenter()
                      ^
    @MainActor
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift:5:23: note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
    public static let defaultValue = PopoverPresenter()
                      ^
    nonisolated(unsafe)
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift:8:18: error: 'EnvironmentValues' is only available in macOS 10.15 or newer
public extension EnvironmentValues {
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift:8:8: note: add @available attribute to enclosing extension
public extension EnvironmentValues {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift:29:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published public var isPopoverPresented = false
     ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift:25:20: note: add @available attribute to enclosing class
final public class PopoverPresenter: ObservableObject {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift:30:43: error: 'AnyView' is only available in macOS 10.15 or newer
    @Published public var currentPopover: AnyView? = nil
                                          ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift:25:20: note: add @available attribute to enclosing class
final public class PopoverPresenter: ObservableObject {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift:30:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published public var currentPopover: AnyView? = nil
     ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift:25:20: note: add @available attribute to enclosing class
final public class PopoverPresenter: ObservableObject {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift:31:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published public var activePopover: PopoverType? = nil {
     ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift:25:20: note: add @available attribute to enclosing class
final public class PopoverPresenter: ObservableObject {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift:25:38: error: 'ObservableObject' is only available in macOS 10.15 or newer
final public class PopoverPresenter: ObservableObject {
                                     ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift:25:20: note: add @available attribute to enclosing class
final public class PopoverPresenter: ObservableObject {
                   ^
Failed frontend command:
/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift /Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift -target arm64-apple-macos10.13 -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -no-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -swift-version 5 -enforce-exclusivity\=checked -stats-output-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode/.stats -Onone -D SWIFT_PACKAGE -D DEBUG -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter_const_extract_protocols.json -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures -enable-experimental-feature DebugDescriptionMacro -strict-concurrency\=complete -empty-abi-descriptor -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -resource-dir /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name PopoverPresenter -frontend-parseable-output -disable-clang-spi -target-sdk-version 15.4 -target-sdk-name macosx15.4 -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter-master-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter.abi.json
SwiftCompile normal arm64 Compiling\ PopoverPresenter.swift /Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift (in target 'PopoverPresenter' from project 'PopoverPresenter')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift (in target 'PopoverPresenter' from project 'PopoverPresenter')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ CustomPopover.swift /Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift (in target 'PopoverPresenter' from project 'PopoverPresenter')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift (in target 'PopoverPresenter' from project 'PopoverPresenter')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:e8f38339e38261faacfd9359a083763224a8b613, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:e8f38339e38261faacfd9359a083763224a8b613, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:e8f38339e38261faacfd9359a083763224a8b613, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:e8f38339e38261faacfd9359a083763224a8b613, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	EmitSwiftModule normal arm64 (in target 'PopoverPresenter' from project 'PopoverPresenter')
	SwiftEmitModule normal arm64 Emitting\ module\ for\ PopoverPresenter (in target 'PopoverPresenter' from project 'PopoverPresenter')
	Building workspace spi-builder-workspace with scheme PopoverPresenter
(3 failures)
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  PopoverPresenter: /Users/admin/builder/spi-builder-workspace
resolved source packages: PopoverPresenter
{
  "dependencies" : [
  ],
  "manifest_display_name" : "PopoverPresenter",
  "name" : "PopoverPresenter",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "PopoverPresenter",
      "targets" : [
        "PopoverPresenter"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "PopoverPresenter",
      "module_type" : "SwiftTarget",
      "name" : "PopoverPresenter",
      "path" : "Sources/PopoverPresenter",
      "product_memberships" : [
        "PopoverPresenter"
      ],
      "sources" : [
        "CustomPopover.swift",
        "PopoverPresenter.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "PopoverPresenter"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme PopoverPresenter -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme PopoverPresenter -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolved source packages:
  PopoverPresenter: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
    Target 'PopoverPresenter' in project 'PopoverPresenter'
        ➜ Explicit dependency on target 'PopoverPresenter' in project 'PopoverPresenter'
    Target 'PopoverPresenter' in project 'PopoverPresenter' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 09c83fbd4aa6bcaf9327650afa8e6fbc
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/09c83fbd4aa6bcaf9327650afa8e6fbc.xcbuilddata
ClangStatCache /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache
SwiftDriver PopoverPresenter normal arm64 com.apple.xcode.tools.swift.compiler (in target 'PopoverPresenter' from project 'PopoverPresenter')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name PopoverPresenter -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DXcode -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -target arm64-apple-macos10.13 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftEmitModule normal arm64 Emitting\ module\ for\ PopoverPresenter (in target 'PopoverPresenter' from project 'PopoverPresenter')
EmitSwiftModule normal arm64 (in target 'PopoverPresenter' from project 'PopoverPresenter')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:12:15: error: 'Binding' is only available in macOS 10.15 or newer
    var item: Binding<Item?>
              ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:10:8: note: add @available attribute to enclosing generic struct
struct CustomPopover<Item, PopoverContent>: ViewModifier where Item : Identifiable, PopoverContent: View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:15:6: error: 'State' is only available in macOS 10.15 or newer
    @State var isAlertPresented = false
     ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:10:8: note: add @available attribute to enclosing generic struct
struct CustomPopover<Item, PopoverContent>: ViewModifier where Item : Identifiable, PopoverContent: View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:17:16: error: 'Binding' is only available in macOS 10.15 or newer
    init(item: Binding<Item?>, onDismiss: (() -> Void)? = nil, @ViewBuilder popoverContent: (Item?) -> PopoverContent) {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:17:5: note: add @available attribute to enclosing initializer
    init(item: Binding<Item?>, onDismiss: (() -> Void)? = nil, @ViewBuilder popoverContent: (Item?) -> PopoverContent) {
    ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:10:8: note: add @available attribute to enclosing generic struct
struct CustomPopover<Item, PopoverContent>: ViewModifier where Item : Identifiable, PopoverContent: View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:17:65: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    init(item: Binding<Item?>, onDismiss: (() -> Void)? = nil, @ViewBuilder popoverContent: (Item?) -> PopoverContent) {
                                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:17:5: note: add @available attribute to enclosing initializer
    init(item: Binding<Item?>, onDismiss: (() -> Void)? = nil, @ViewBuilder popoverContent: (Item?) -> PopoverContent) {
    ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:10:8: note: add @available attribute to enclosing generic struct
struct CustomPopover<Item, PopoverContent>: ViewModifier where Item : Identifiable, PopoverContent: View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:23:48: error: 'View' is only available in macOS 10.15 or newer
    public func body(content: Content) -> some View {
                                               ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:23:17: note: add @available attribute to enclosing instance method
    public func body(content: Content) -> some View {
                ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:10:8: note: add @available attribute to enclosing generic struct
struct CustomPopover<Item, PopoverContent>: ViewModifier where Item : Identifiable, PopoverContent: View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:10:71: error: 'Identifiable' is only available in macOS 10.15 or newer
struct CustomPopover<Item, PopoverContent>: ViewModifier where Item : Identifiable, PopoverContent: View {
                                                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:10:8: note: add @available attribute to enclosing generic struct
struct CustomPopover<Item, PopoverContent>: ViewModifier where Item : Identifiable, PopoverContent: View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:10:101: error: 'View' is only available in macOS 10.15 or newer
struct CustomPopover<Item, PopoverContent>: ViewModifier where Item : Identifiable, PopoverContent: View {
                                                                                                    ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:10:8: note: add @available attribute to enclosing generic struct
struct CustomPopover<Item, PopoverContent>: ViewModifier where Item : Identifiable, PopoverContent: View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:62:117: error: 'Identifiable' is only available in macOS 10.15 or newer
                                      @ViewBuilder content: @escaping (Item?) -> Content) -> some View where Item : Identifiable,  Content : View {
                                                                                                                    ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:60:10: note: add @available attribute to enclosing instance method
    func customPopover<Item, Content>(item: Binding<Item?>,
         ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:59:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:62:142: error: 'View' is only available in macOS 10.15 or newer
                                      @ViewBuilder content: @escaping (Item?) -> Content) -> some View where Item : Identifiable,  Content : View {
                                                                                                                                             ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:60:10: note: add @available attribute to enclosing instance method
    func customPopover<Item, Content>(item: Binding<Item?>,
         ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:59:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:60:45: error: 'Binding' is only available in macOS 10.15 or newer
    func customPopover<Item, Content>(item: Binding<Item?>,
                                            ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:60:10: note: add @available attribute to enclosing instance method
    func customPopover<Item, Content>(item: Binding<Item?>,
         ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:59:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:62:40: error: 'ViewBuilder' is only available in macOS 10.15 or newer
                                      @ViewBuilder content: @escaping (Item?) -> Content) -> some View where Item : Identifiable,  Content : View {
                                       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:60:10: note: add @available attribute to enclosing instance method
    func customPopover<Item, Content>(item: Binding<Item?>,
         ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:59:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:62:99: error: 'View' is only available in macOS 10.15 or newer
                                      @ViewBuilder content: @escaping (Item?) -> Content) -> some View where Item : Identifiable,  Content : View {
                                                                                                  ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:60:10: note: add @available attribute to enclosing instance method
    func customPopover<Item, Content>(item: Binding<Item?>,
         ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:59:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:59:18: error: 'View' is only available in macOS 10.15 or newer
public extension View {
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift:59:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift:8:18: error: 'EnvironmentValues' is only available in macOS 10.15 or newer
public extension EnvironmentValues {
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift:8:8: note: add @available attribute to enclosing extension
public extension EnvironmentValues {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift:29:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published public var isPopoverPresented = false
     ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift:25:20: note: add @available attribute to enclosing class
final public class PopoverPresenter: ObservableObject {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift:30:43: error: 'AnyView' is only available in macOS 10.15 or newer
    @Published public var currentPopover: AnyView? = nil
                                          ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift:25:20: note: add @available attribute to enclosing class
final public class PopoverPresenter: ObservableObject {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift:30:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published public var currentPopover: AnyView? = nil
     ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift:25:20: note: add @available attribute to enclosing class
final public class PopoverPresenter: ObservableObject {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift:31:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published public var activePopover: PopoverType? = nil {
     ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift:25:20: note: add @available attribute to enclosing class
final public class PopoverPresenter: ObservableObject {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift:25:38: error: 'ObservableObject' is only available in macOS 10.15 or newer
final public class PopoverPresenter: ObservableObject {
                                     ^
/Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift:25:20: note: add @available attribute to enclosing class
final public class PopoverPresenter: ObservableObject {
                   ^
Failed frontend command:
/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift /Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift -target arm64-apple-macos10.13 -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -no-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -swift-version 5 -enforce-exclusivity\=checked -Onone -D SWIFT_PACKAGE -D DEBUG -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -resource-dir /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name PopoverPresenter -frontend-parseable-output -disable-clang-spi -target-sdk-version 15.4 -target-sdk-name macosx15.4 -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter-master-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PopoverPresenter.build/Debug/PopoverPresenter.build/Objects-normal/arm64/PopoverPresenter.abi.json
SwiftCompile normal arm64 Compiling\ CustomPopover.swift /Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift (in target 'PopoverPresenter' from project 'PopoverPresenter')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/CustomPopover.swift (in target 'PopoverPresenter' from project 'PopoverPresenter')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ PopoverPresenter.swift /Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift (in target 'PopoverPresenter' from project 'PopoverPresenter')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/PopoverPresenter/PopoverPresenter.swift (in target 'PopoverPresenter' from project 'PopoverPresenter')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:e8f38339e38261faacfd9359a083763224a8b613, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:e8f38339e38261faacfd9359a083763224a8b613, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:e8f38339e38261faacfd9359a083763224a8b613, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:e8f38339e38261faacfd9359a083763224a8b613, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	EmitSwiftModule normal arm64 (in target 'PopoverPresenter' from project 'PopoverPresenter')
	SwiftEmitModule normal arm64 Emitting\ module\ for\ PopoverPresenter (in target 'PopoverPresenter' from project 'PopoverPresenter')
	Building workspace spi-builder-workspace with scheme PopoverPresenter
(3 failures)
BUILD FAILURE 6.1 macosXcodebuild