Swift Package IndexBuild Information
Failed to build StockFishKit_iOS, reference 2.0.2 (de7bb4), with Swift 6.1 for macOS (SPM) on 21 Mar 2026 01:04:38 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 4.69.2
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/SoumitSaha/StockFishKit_iOS.git
Reference: 2.0.2
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/SoumitSaha/StockFishKit_iOS
* tag 2.0.2 -> FETCH_HEAD
HEAD is now at de7bb4f total core / 1.5 thread to gain more speed
Cloned https://github.com/SoumitSaha/StockFishKit_iOS.git
Revision (git rev-parse @):
de7bb4f4615b7faf775be148e7a28c8b5e87011a
SUCCESS checkout https://github.com/SoumitSaha/StockFishKit_iOS.git at 2.0.2
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Build
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Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/SoumitSaha/StockFishKit_iOS.git
https://github.com/SoumitSaha/StockFishKit_iOS.git
{
"cxx_language_standard" : "c++17",
"dependencies" : [
],
"manifest_display_name" : "StockFishKit_iOS",
"name" : "StockFishKit_iOS",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "14.0"
}
],
"products" : [
{
"name" : "StockFishKit_iOS",
"targets" : [
"StockFishKit_iOS"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "StockFishKit_iOS",
"module_type" : "SwiftTarget",
"name" : "StockFishKit_iOS",
"path" : "Sources/StockFishKit_iOS",
"product_memberships" : [
"StockFishKit_iOS"
],
"resources" : [
{
"path" : "/Users/admin/builder/spi-builder-workspace/Sources/StockFishKit_iOS/Resources/nn-47fc8b7fff06.nnue",
"rule" : {
"copy" : {
}
}
},
{
"path" : "/Users/admin/builder/spi-builder-workspace/Sources/StockFishKit_iOS/Resources/nn-9a0cc2a62c52.nnue",
"rule" : {
"copy" : {
}
}
}
],
"sources" : [
"StockFish_iOS.swift",
"StockFish_iOSDelegate.swift"
],
"target_dependencies" : [
"StockFishKitCXX"
],
"type" : "library"
},
{
"c99name" : "StockFishKitCXX",
"module_type" : "ClangTarget",
"name" : "StockFishKitCXX",
"path" : "Sources/StockFishKitCXX",
"product_memberships" : [
"StockFishKit_iOS"
],
"sources" : [
"StockFish_src/benchmark.cpp",
"StockFish_src/bitboard.cpp",
"StockFish_src/engine.cpp",
"StockFish_src/evaluate.cpp",
"StockFish_src/memory.cpp",
"StockFish_src/misc.cpp",
"StockFish_src/movegen.cpp",
"StockFish_src/movepick.cpp",
"StockFish_src/nnue/features/full_threats.cpp",
"StockFish_src/nnue/features/half_ka_v2_hm.cpp",
"StockFish_src/nnue/network.cpp",
"StockFish_src/nnue/nnue_accumulator.cpp",
"StockFish_src/nnue/nnue_misc.cpp",
"StockFish_src/position.cpp",
"StockFish_src/score.cpp",
"StockFish_src/search.cpp",
"StockFish_src/syzygy/tbprobe.cpp",
"StockFish_src/thread.cpp",
"StockFish_src/timeman.cpp",
"StockFish_src/tt.cpp",
"StockFish_src/tune.cpp",
"StockFish_src/uci.cpp",
"StockFish_src/ucioption.cpp",
"Wrappers/StockfishWrapper.cpp"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
Building for debugging...
[0/28] Copying nn-9a0cc2a62c52.nnue
[1/28] Copying nn-47fc8b7fff06.nnue
[2/28] Write sources
[3/28] Write swift-version-2F0A5646E1D333AE.txt
[4/28] Compiling memory.cpp
[5/28] Compiling nnue_accumulator.cpp
[5/28] Compiling half_ka_v2_hm.cpp
[5/28] Compiling movepick.cpp
[5/28] Compiling ucioption.cpp
[9/28] Compiling misc.cpp
[10/28] Compiling full_threats.cpp
[11/28] Compiling evaluate.cpp
[11/28] Compiling nnue_misc.cpp
[13/28] Compiling StockfishWrapper.cpp
[14/28] Compiling tune.cpp
[15/28] Compiling timeman.cpp
[16/28] Compiling tt.cpp
[17/28] Compiling score.cpp
[18/28] Compiling movegen.cpp
[19/28] Compiling position.cpp
[20/28] Compiling network.cpp
[21/28] Compiling tbprobe.cpp
[22/28] Compiling thread.cpp
[23/28] Compiling bitboard.cpp
[24/28] Compiling search.cpp
[25/28] Compiling uci.cpp
[26/28] Compiling benchmark.cpp
[27/28] Compiling engine.cpp
[29/32] Compiling StockFishKit_iOS resource_bundle_accessor.swift
[30/32] Compiling StockFishKit_iOS StockFish_iOSDelegate.swift
[31/32] Emitting module StockFishKit_iOS
[32/32] Compiling StockFishKit_iOS StockFish_iOS.swift
/Users/admin/builder/spi-builder-workspace/Sources/StockFishKit_iOS/StockFish_iOS.swift:41:13: error: 'Task' is only available in macOS 10.15 or newer
10 |
11 | @MainActor
12 | public final class StockFish_iOS: StockFish_iOSManaging {
| `- note: add @available attribute to enclosing class
13 |
14 | // MARK: - Singleton
:
31 | // MARK: - Public API
32 |
33 | public func initEngine() {
| `- note: add @available attribute to enclosing instance method
34 | print(">>> initEngine called")
35 | stockfish_set_output_callback { cString in
:
39 | print(">>> RAW ENGINE OUTPUT: \(message)")
40 |
41 | Task { @MainActor in
| |- error: 'Task' is only available in macOS 10.15 or newer
| `- note: add 'if #available' version check
42 | let manager = StockFish_iOS.shared
43 | if message == "readyok" {
/Users/admin/builder/spi-builder-workspace/Sources/StockFishKit_iOS/StockFish_iOS.swift:41:13: error: 'init(priority:operation:)' is only available in macOS 10.15 or newer
10 |
11 | @MainActor
12 | public final class StockFish_iOS: StockFish_iOSManaging {
| `- note: add @available attribute to enclosing class
13 |
14 | // MARK: - Singleton
:
31 | // MARK: - Public API
32 |
33 | public func initEngine() {
| `- note: add @available attribute to enclosing instance method
34 | print(">>> initEngine called")
35 | stockfish_set_output_callback { cString in
:
39 | print(">>> RAW ENGINE OUTPUT: \(message)")
40 |
41 | Task { @MainActor in
| |- error: 'init(priority:operation:)' is only available in macOS 10.15 or newer
| `- note: add 'if #available' version check
42 | let manager = StockFish_iOS.shared
43 | if message == "readyok" {
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-2F0A5646E1D333AE.txt
[2/5] Compiling StockFishKit_iOS resource_bundle_accessor.swift
[3/5] Compiling StockFishKit_iOS StockFish_iOSDelegate.swift
[4/5] Emitting module StockFishKit_iOS
[5/5] Compiling StockFishKit_iOS StockFish_iOS.swift
/Users/admin/builder/spi-builder-workspace/Sources/StockFishKit_iOS/StockFish_iOS.swift:41:13: error: 'Task' is only available in macOS 10.15 or newer
10 |
11 | @MainActor
12 | public final class StockFish_iOS: StockFish_iOSManaging {
| `- note: add @available attribute to enclosing class
13 |
14 | // MARK: - Singleton
:
31 | // MARK: - Public API
32 |
33 | public func initEngine() {
| `- note: add @available attribute to enclosing instance method
34 | print(">>> initEngine called")
35 | stockfish_set_output_callback { cString in
:
39 | print(">>> RAW ENGINE OUTPUT: \(message)")
40 |
41 | Task { @MainActor in
| |- error: 'Task' is only available in macOS 10.15 or newer
| `- note: add 'if #available' version check
42 | let manager = StockFish_iOS.shared
43 | if message == "readyok" {
/Users/admin/builder/spi-builder-workspace/Sources/StockFishKit_iOS/StockFish_iOS.swift:41:13: error: 'init(priority:operation:)' is only available in macOS 10.15 or newer
10 |
11 | @MainActor
12 | public final class StockFish_iOS: StockFish_iOSManaging {
| `- note: add @available attribute to enclosing class
13 |
14 | // MARK: - Singleton
:
31 | // MARK: - Public API
32 |
33 | public func initEngine() {
| `- note: add @available attribute to enclosing instance method
34 | print(">>> initEngine called")
35 | stockfish_set_output_callback { cString in
:
39 | print(">>> RAW ENGINE OUTPUT: \(message)")
40 |
41 | Task { @MainActor in
| |- error: 'init(priority:operation:)' is only available in macOS 10.15 or newer
| `- note: add 'if #available' version check
42 | let manager = StockFish_iOS.shared
43 | if message == "readyok" {
BUILD FAILURE 6.1 macosSpm