Build Information
Failed to build ReerKit, reference 1.3.1 (c5783e), with Swift 6.4 for macOS (SPM) on 18 Oct 2026 04:14:24 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-27.0.0.app xcrun swift build --arch arm64Build Log
========================================
RunAll
========================================
Builder version: 5.1.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/reers/ReerKit.git
Reference: 1.3.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/reers/ReerKit
* tag 1.3.1 -> FETCH_HEAD
HEAD is now at c5783e1 release 1.3.1
Cloned https://github.com/reers/ReerKit.git
Revision (git rev-parse @):
c5783e1124bf3c28c7b738f9ba6f09319d1bfff3
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/reers/ReerKit.git at 1.3.1
warning: 'spi-builder-workspace': /Users/admin/builder/spi-builder-workspace/Package.swift:11:19: warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
9 | .iOS(.v13),
10 | .tvOS(.v13),
11 | .watchOS(.v4),
| `- warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
12 | .macOS(.v10_15),
13 | .visionOS(.v1)
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
Fetching https://github.com/swiftlang/swift-syntax.git
[1/80856] Fetching swift-syntax
Fetched https://github.com/swiftlang/swift-syntax.git (12.04s)
Computing version for https://github.com/swiftlang/swift-syntax.git
Computed https://github.com/swiftlang/swift-syntax.git at 603.0.2 (22.51s)
Creating working copy for https://github.com/swiftlang/swift-syntax.git
Working copy of https://github.com/swiftlang/swift-syntax.git resolved at 603.0.2
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/603.0.2/swiftlang-6.4.0.34.1-macosx27.0-MacroSupport.zip
Downloaded https://download.swift.org/prebuilts/swift-syntax/603.0.2/swiftlang-6.4.0.34.1-macosx27.0-MacroSupport.zip (1.30s)
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
"identity": ".resolve-product-dependencies",
"name": "resolve-dependencies",
"url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"traits": [
"default"
],
"dependencies": [
{
"identity": "reerkit",
"name": "ReerKit",
"url": "https://github.com/reers/ReerKit.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/ReerKit",
"traits": [
"default"
],
"dependencies": [
]
}
]
}
Fetching https://github.com/reers/ReerKit.git
[1/4888] Fetching reerkit
Fetched https://github.com/reers/ReerKit.git (1.51s)
warning: 'reerkit': /Package.swift:11:19: warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
9 | .iOS(.v13),
10 | .tvOS(.v13),
11 | .watchOS(.v4),
| `- warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
12 | .macOS(.v10_15),
13 | .visionOS(.v1)
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
Fetching https://github.com/swiftlang/swift-syntax.git from cache
Fetched https://github.com/swiftlang/swift-syntax.git from cache (1.03s)
Computing version for https://github.com/swiftlang/swift-syntax.git
Computed https://github.com/swiftlang/swift-syntax.git at 604.0.0 (1.82s)
Creating working copy for https://github.com/swiftlang/swift-syntax.git
Working copy of https://github.com/swiftlang/swift-syntax.git resolved at 604.0.0
Creating working copy for https://github.com/reers/ReerKit.git
Working copy of https://github.com/reers/ReerKit.git resolved at 1.3.1 (c5783e1)
warning: 'reerkit': /Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/ReerKit/Package.swift:11:19: warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
9 | .iOS(.v13),
10 | .tvOS(.v13),
11 | .watchOS(.v4),
| `- warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
12 | .macOS(.v10_15),
13 | .visionOS(.v1)
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/604.0.0/swiftlang-6.4.0.34.1-macosx27.0-MacroSupport.zip
Downloaded https://download.swift.org/prebuilts/swift-syntax/604.0.0/swiftlang-6.4.0.34.1-macosx27.0-MacroSupport.zip (1.33s)
warning: '.resolve-product-dependencies': dependency 'reerkit' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.4
Building package at path: $PWD
https://github.com/reers/ReerKit.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
[Constructing description]
[Pre-planning 1 / 707]
[Planning deferred tasks]
[157 / 332] ReerKit_ReerKit
warning: 'spi-builder-workspace': /Users/admin/builder/spi-builder-workspace/Package.swift:11:19: warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
9 | .iOS(.v13),
10 | .tvOS(.v13),
11 | .watchOS(.v4),
| `- warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
12 | .macOS(.v10_15),
13 | .visionOS(.v1)
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
/* com.apple.ibtool.errors */
/Users/admin/builder/spi-builder-workspace/Tests/ResourcesTests/Resources/UITableViewCell.xib: error: iOS xibs do not support target device type "mac".
error: CompileXIB /Users/admin/builder/spi-builder-workspace/Tests/ResourcesTests/Resources/UITableViewCell.xib failed with a nonzero exit code. Command line: cd /Users/admin/builder/spi-builder-workspace
/Applications/Xcode-27.0.0.app/Contents/Developer/usr/bin/ibtool --errors --warnings --notices --module ReerKit_ReerKitTests --output-partial-info-plist /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/ReerKit.build/Debug/ReerKit_ReerKitTests-b.build/UITableViewCell-PartialInfo.plist --auto-activate-custom-fonts --target-device mac --minimum-deployment-target 12.0 --output-format human-readable-text --compile /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/ReerKit_ReerKitTests.bundle/Contents/Resources/UITableViewCell.nib /Users/admin/builder/spi-builder-workspace/Tests/ResourcesTests/Resources/UITableViewCell.xib
error: Build failed
BUILD FAILURE 6.4 macosSpm