Swift Package IndexBuild Information
Failed to build Doubles, reference 1.5.0 (9a56b2), with Swift 6.4 for macOS (SPM) on 21 Sep 2026 08:37:51 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/mgriebling/Doubles.git
Reference: 1.5.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/mgriebling/Doubles
* tag 1.5.0 -> FETCH_HEAD
HEAD is now at 9a56b24 Updated documentation.
Cloned https://github.com/mgriebling/Doubles.git
Revision (git rev-parse @):
9a56b2425b793d484826dcb2e570f94eaf01b9be
SUCCESS checkout https://github.com/mgriebling/Doubles.git at 1.5.0
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.4
Building package at path: $PWD
https://github.com/mgriebling/Doubles.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Planning deferred tasks]
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Fetching https://github.com/apple/swift-docc-plugin
[1/2345] Fetching swift-docc-plugin
Fetched https://github.com/apple/swift-docc-plugin (1.37s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.5.0 (4.11s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3824] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit (1.40s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (2.12s)
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.5.0
error: SwiftCompile normal arm64 failed with a nonzero exit code. Command line: cd /Users/admin/builder
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:602:103: [1;31merror: [1;39mambiguous use of operator '<'[0;0m
[0;36m600 |[0;0m
[0;36m601 |[0;0m // MARK: - Less-Than Comparison
[0;36m602 |[0;0m @inlinable static public func < (a: QDouble, b: Double) -> Bool { a[0] < b || (a[0] == b && a[1] < 0.0) }
[0;36m|[0;0m `- [1;31merror: [1;39mambiguous use of operator '<'[0;0m
[0;36m603 |[0;0m @inlinable static public func < (a: Double, b: QDouble) -> Bool { b > a }
[0;36m|[0;0m `- [1;39mnote: [1;39mfound this candidate [0;0m
[0;36m604 |[0;0m @inlinable static public func < (a: QDouble, b: DDouble) -> Bool { a[0] < b.hi || (a[0] == b.hi && (a[1] < b.lo || (a[1] == b.lo && a[2] < 0.0))) }
[0;36m605 |[0;0m @inlinable static public func < (a: QDouble, b: QDouble) -> Bool { a[0] < b[0] || (a[0] == b[0] && (a[1] < b[1] || (a[1] == b[1] && (a[2] < b[2] || (a[2] == b[2] && a[3] < b[3]))))) }
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:427:24: [1;39mnote: [1;39mfound this candidate [0;0m
[0;36m425 |[0;0m public static func < (_ a:DDouble,_ b:Double) -> Bool { a.x[0] < b || (a.x[0] == b && a.x[1] < 0.0) }
[0;36m426 |[0;0m public static func < (_ a:DDouble,_ b:DDouble) -> Bool { a.x[0] < b.x[0] || (a.x[0] == b.x[0] && a.x[1] < b.x[1]) }
[0;36m427 |[0;0m public static func < (_ a:Double, _ b:DDouble) -> Bool { a < b.x[0] || (a == b.x[0] && b.x[1] > 0.0) }
[0;36m|[0;0m `- [1;39mnote: [1;39mfound this candidate [0;0m
[0;36m428 |[0;0m
[0;36m429 |[0;0m // MARK: - Greater-Than Comparisons
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:604:142: [1;31merror: [1;39mambiguous use of operator '<'[0;0m
[0;36m601 |[0;0m // MARK: - Less-Than Comparison
[0;36m602 |[0;0m @inlinable static public func < (a: QDouble, b: Double) -> Bool { a[0] < b || (a[0] == b && a[1] < 0.0) }
[0;36m603 |[0;0m @inlinable static public func < (a: Double, b: QDouble) -> Bool { b > a }
[0;36m|[0;0m `- [1;39mnote: [1;39mfound this candidate [0;0m
[0;36m604 |[0;0m @inlinable static public func < (a: QDouble, b: DDouble) -> Bool { a[0] < b.hi || (a[0] == b.hi && (a[1] < b.lo || (a[1] == b.lo && a[2] < 0.0))) }
[0;36m|[0;0m `- [1;31merror: [1;39mambiguous use of operator '<'[0;0m
[0;36m605 |[0;0m @inlinable static public func < (a: QDouble, b: QDouble) -> Bool { a[0] < b[0] || (a[0] == b[0] && (a[1] < b[1] || (a[1] == b[1] && (a[2] < b[2] || (a[2] == b[2] && a[3] < b[3]))))) }
[0;36m606 |[0;0m
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:427:24: [1;39mnote: [1;39mfound this candidate [0;0m
[0;36m425 |[0;0m public static func < (_ a:DDouble,_ b:Double) -> Bool { a.x[0] < b || (a.x[0] == b && a.x[1] < 0.0) }
[0;36m426 |[0;0m public static func < (_ a:DDouble,_ b:DDouble) -> Bool { a.x[0] < b.x[0] || (a.x[0] == b.x[0] && a.x[1] < b.x[1]) }
[0;36m427 |[0;0m public static func < (_ a:Double, _ b:DDouble) -> Bool { a < b.x[0] || (a == b.x[0] && b.x[1] > 0.0) }
[0;36m|[0;0m `- [1;39mnote: [1;39mfound this candidate [0;0m
[0;36m428 |[0;0m
[0;36m429 |[0;0m // MARK: - Greater-Than Comparisons
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:608:103: [1;31merror: [1;39mambiguous use of operator '>'[0;0m
[0;36m606 |[0;0m
[0;36m607 |[0;0m // MARK: - Greater-Than Comparison
[0;36m608 |[0;0m @inlinable static public func > (a: QDouble, b: Double) -> Bool { a[0] > b || (a[0] == b && a[1] > 0.0) }
[0;36m|[0;0m `- [1;31merror: [1;39mambiguous use of operator '>'[0;0m
[0;36m609 |[0;0m @inlinable static public func > (a: Double, b: QDouble) -> Bool { b < a }
[0;36m|[0;0m `- [1;39mnote: [1;39mfound this candidate [0;0m
[0;36m610 |[0;0m @inlinable static public func > (a: QDouble, b: DDouble) -> Bool { a[0] > b.hi || (a[0] == b.hi && (a[1] > b.lo || (a[1] == b.lo && a[2] > 0.0))) }
[0;36m611 |[0;0m @inlinable static public func > (a: QDouble, b: QDouble) -> Bool { a[0] > b[0] || (a[0] == b[0] && (a[1] > b[1] || (a[1] == b[1] && (a[2] > b[2] || (a[2] == b[2] && a[3] > b[3]))))) }
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:432:24: [1;39mnote: [1;39mfound this candidate [0;0m
[0;36m430 |[0;0m public static func > (_ a: DDouble,_ b:Double) -> Bool { a.x[0] > b || (a.x[0] == b && a.x[1] > 0.0) }
[0;36m431 |[0;0m public static func > (_ a: DDouble,_ b:DDouble) -> Bool { a.x[0] > b.x[0] || (a.x[0] == b.x[0] && a.x[1] > b.x[1]) }
[0;36m432 |[0;0m public static func > ( _ a:Double, _ b:DDouble) -> Bool { a > b.x[0] || (a == b.x[0] && b.x[1] < 0.0) }
[0;36m|[0;0m `- [1;39mnote: [1;39mfound this candidate [0;0m
[0;36m433 |[0;0m
[0;36m434 |[0;0m public static func >= (_ a:DDouble,_ b:Double) -> Bool { a.x[0] > b || (a.x[0] == b && a.x[1] >= 0.0) }
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:610:142: [1;31merror: [1;39mambiguous use of operator '>'[0;0m
[0;36m607 |[0;0m // MARK: - Greater-Than Comparison
[0;36m608 |[0;0m @inlinable static public func > (a: QDouble, b: Double) -> Bool { a[0] > b || (a[0] == b && a[1] > 0.0) }
[0;36m609 |[0;0m @inlinable static public func > (a: Double, b: QDouble) -> Bool { b < a }
[0;36m|[0;0m `- [1;39mnote: [1;39mfound this candidate [0;0m
[0;36m610 |[0;0m @inlinable static public func > (a: QDouble, b: DDouble) -> Bool { a[0] > b.hi || (a[0] == b.hi && (a[1] > b.lo || (a[1] == b.lo && a[2] > 0.0))) }
[0;36m|[0;0m `- [1;31merror: [1;39mambiguous use of operator '>'[0;0m
[0;36m611 |[0;0m @inlinable static public func > (a: QDouble, b: QDouble) -> Bool { a[0] > b[0] || (a[0] == b[0] && (a[1] > b[1] || (a[1] == b[1] && (a[2] > b[2] || (a[2] == b[2] && a[3] > b[3]))))) }
[0;36m612 |[0;0m
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:432:24: [1;39mnote: [1;39mfound this candidate [0;0m
[0;36m430 |[0;0m public static func > (_ a: DDouble,_ b:Double) -> Bool { a.x[0] > b || (a.x[0] == b && a.x[1] > 0.0) }
[0;36m431 |[0;0m public static func > (_ a: DDouble,_ b:DDouble) -> Bool { a.x[0] > b.x[0] || (a.x[0] == b.x[0] && a.x[1] > b.x[1]) }
[0;36m432 |[0;0m public static func > ( _ a:Double, _ b:DDouble) -> Bool { a > b.x[0] || (a == b.x[0] && b.x[1] < 0.0) }
[0;36m|[0;0m `- [1;39mnote: [1;39mfound this candidate [0;0m
[0;36m433 |[0;0m
[0;36m434 |[0;0m public static func >= (_ a:DDouble,_ b:Double) -> Bool { a.x[0] > b || (a.x[0] == b && a.x[1] >= 0.0) }
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:629:51: [1;31merror: [1;39mambiguous use of operator '>'[0;0m
[0;36m607 |[0;0m // MARK: - Greater-Than Comparison
[0;36m608 |[0;0m @inlinable static public func > (a: QDouble, b: Double) -> Bool { a[0] > b || (a[0] == b && a[1] > 0.0) }
[0;36m609 |[0;0m @inlinable static public func > (a: Double, b: QDouble) -> Bool { b < a }
[0;36m|[0;0m `- [1;39mnote: [1;39mfound this candidate [0;0m
[0;36m610 |[0;0m @inlinable static public func > (a: QDouble, b: DDouble) -> Bool { a[0] > b.hi || (a[0] == b.hi && (a[1] > b.lo || (a[1] == b.lo && a[2] > 0.0))) }
[0;36m611 |[0;0m @inlinable static public func > (a: QDouble, b: QDouble) -> Bool { a[0] > b[0] || (a[0] == b[0] && (a[1] > b[1] || (a[1] == b[1] && (a[2] > b[2] || (a[2] == b[2] && a[3] > b[3]))))) }
[0;36m:[0;0m
[0;36m627 |[0;0m @inlinable public var isZero: Bool { x[0] == 0.0 }
[0;36m628 |[0;0m @inlinable public var isOne: Bool { x == SIMD4.one }
[0;36m629 |[0;0m @inlinable public var isPositive: Bool { x[0] > 0.0 }
[0;36m|[0;0m `- [1;31merror: [1;39mambiguous use of operator '>'[0;0m
[0;36m630 |[0;0m @inlinable public var isNegative: Bool { x[0] < 0.0 }
[0;36m631 |[0;0m
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:432:24: [1;39mnote: [1;39mfound this candidate [0;0m
[0;36m430 |[0;0m public static func > (_ a: DDouble,_ b:Double) -> Bool { a.x[0] > b || (a.x[0] == b && a.x[1] > 0.0) }
[0;36m431 |[0;0m public static func > (_ a: DDouble,_ b:DDouble) -> Bool { a.x[0] > b.x[0] || (a.x[0] == b.x[0] && a.x[1] > b.x[1]) }
[0;36m432 |[0;0m public static func > ( _ a:Double, _ b:DDouble) -> Bool { a > b.x[0] || (a == b.x[0] && b.x[1] < 0.0) }
[0;36m|[0;0m `- [1;39mnote: [1;39mfound this candidate [0;0m
[0;36m433 |[0;0m
[0;36m434 |[0;0m public static func >= (_ a:DDouble,_ b:Double) -> Bool { a.x[0] > b || (a.x[0] == b && a.x[1] >= 0.0) }
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:630:51: [1;31merror: [1;39mambiguous use of operator '<'[0;0m
[0;36m601 |[0;0m // MARK: - Less-Than Comparison
[0;36m602 |[0;0m @inlinable static public func < (a: QDouble, b: Double) -> Bool { a[0] < b || (a[0] == b && a[1] < 0.0) }
[0;36m603 |[0;0m @inlinable static public func < (a: Double, b: QDouble) -> Bool { b > a }
[0;36m|[0;0m `- [1;39mnote: [1;39mfound this candidate [0;0m
[0;36m604 |[0;0m @inlinable static public func < (a: QDouble, b: DDouble) -> Bool { a[0] < b.hi || (a[0] == b.hi && (a[1] < b.lo || (a[1] == b.lo && a[2] < 0.0))) }
[0;36m605 |[0;0m @inlinable static public func < (a: QDouble, b: QDouble) -> Bool { a[0] < b[0] || (a[0] == b[0] && (a[1] < b[1] || (a[1] == b[1] && (a[2] < b[2] || (a[2] == b[2] && a[3] < b[3]))))) }
[0;36m:[0;0m
[0;36m628 |[0;0m @inlinable public var isOne: Bool { x == SIMD4.one }
[0;36m629 |[0;0m @inlinable public var isPositive: Bool { x[0] > 0.0 }
[0;36m630 |[0;0m @inlinable public var isNegative: Bool { x[0] < 0.0 }
[0;36m|[0;0m `- [1;31merror: [1;39mambiguous use of operator '<'[0;0m
[0;36m631 |[0;0m
[0;36m632 |[0;0m @inlinable static public func inv(_ qd: QDouble) -> QDouble { 1.0 / qd }
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:427:24: [1;39mnote: [1;39mfound this candidate [0;0m
[0;36m425 |[0;0m public static func < (_ a:DDouble,_ b:Double) -> Bool { a.x[0] < b || (a.x[0] == b && a.x[1] < 0.0) }
[0;36m426 |[0;0m public static func < (_ a:DDouble,_ b:DDouble) -> Bool { a.x[0] < b.x[0] || (a.x[0] == b.x[0] && a.x[1] < b.x[1]) }
[0;36m427 |[0;0m public static func < (_ a:Double, _ b:DDouble) -> Bool { a < b.x[0] || (a == b.x[0] && b.x[1] > 0.0) }
[0;36m|[0;0m `- [1;39mnote: [1;39mfound this candidate [0;0m
[0;36m428 |[0;0m
[0;36m429 |[0;0m // MARK: - Greater-Than Comparisons
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:2128:71: [1;31merror: [1;39mambiguous use of operator '<'[0;0m
[0;36m601 |[0;0m // MARK: - Less-Than Comparison
[0;36m602 |[0;0m @inlinable static public func < (a: QDouble, b: Double) -> Bool { a[0] < b || (a[0] == b && a[1] < 0.0) }
[0;36m603 |[0;0m @inlinable static public func < (a: Double, b: QDouble) -> Bool { b > a }
[0;36m|[0;0m `- [1;39mnote: [1;39mfound this candidate [0;0m
[0;36m604 |[0;0m @inlinable static public func < (a: QDouble, b: DDouble) -> Bool { a[0] < b.hi || (a[0] == b.hi && (a[1] < b.lo || (a[1] == b.lo && a[2] < 0.0))) }
[0;36m605 |[0;0m @inlinable static public func < (a: QDouble, b: QDouble) -> Bool { a[0] < b[0] || (a[0] == b[0] && (a[1] < b[1] || (a[1] == b[1] && (a[2] < b[2] || (a[2] == b[2] && a[3] < b[3]))))) }
[0;36m:[0;0m
[0;36m2126 |[0;0m @inlinable static public func ** (base: QDouble, power: QDouble) -> QDouble { QDouble.pow(base, power) }
[0;36m2127 |[0;0m
[0;36m2128 |[0;0m @inlinable static public func abs(_ a: QDouble) -> QDouble { a[0] < 0.0 ? -a : a }
[0;36m|[0;0m `- [1;31merror: [1;39mambiguous use of operator '<'[0;0m
[0;36m2129 |[0;0m }
[0;36m2130 |[0;0m
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:427:24: [1;39mnote: [1;39mfound this candidate [0;0m
[0;36m425 |[0;0m public static func < (_ a:DDouble,_ b:Double) -> Bool { a.x[0] < b || (a.x[0] == b && a.x[1] < 0.0) }
[0;36m426 |[0;0m public static func < (_ a:DDouble,_ b:DDouble) -> Bool { a.x[0] < b.x[0] || (a.x[0] == b.x[0] && a.x[1] < b.x[1]) }
[0;36m427 |[0;0m public static func < (_ a:Double, _ b:DDouble) -> Bool { a < b.x[0] || (a == b.x[0] && b.x[1] > 0.0) }
[0;36m|[0;0m `- [1;39mnote: [1;39mfound this candidate [0;0m
[0;36m428 |[0;0m
[0;36m429 |[0;0m // MARK: - Greater-Than Comparisons
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.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/Doubles/Common.swift /Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift /Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift /Users/admin/builder/spi-builder-workspace/Sources/Doubles/String+Char.swift -target arm64-apple-macos12.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Doubles.build/Debug/Doubles-t.build/Objects-normal/arm64/Doubles-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftExplicitPrecompiledModules -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -validate-clang-modules-once 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error: Build failed
BUILD FAILURE 6.4 macosSpm