Swift Package Index

Build Information

Failed to build SwiftQC, reference v1.0.0 (215b72), with Swift 6.4 for macOS (SPM) on 22 Sep 2026 17:04:53 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
========================================
Clone URL: https://github.com/Aristide021/SwiftQC.git
Reference: v1.0.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Aristide021/SwiftQC
 * tag               v1.0.0     -> FETCH_HEAD
HEAD is now at 215b721 Update commit to fix build issue from SwiftLint fixes
Cloned https://github.com/Aristide021/SwiftQC.git
Revision (git rev-parse @):
215b7218d84ddf04aa02fb11948857f1e62ccbc0
SUCCESS checkout https://github.com/Aristide021/SwiftQC.git at v1.0.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/Aristide021/SwiftQC.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
[Constructing description]
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[530 / 578] SwiftSyntax
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[613 / 637] Testing
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[664 / 680] SwiftQC
Fetching https://github.com/apple/swift-docc-plugin
Fetching https://github.com/apple/swift-testing.git
Fetching https://github.com/pointfreeco/swift-gen.git
Fetching https://github.com/apple/swift-atomics.git
Fetching https://github.com/apple/swift-argument-parser.git
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Fetched https://github.com/apple/swift-docc-plugin (1.80s)
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Fetched https://github.com/pointfreeco/swift-gen.git (5.36s)
Fetched https://github.com/apple/swift-testing.git (5.36s)
Fetched https://github.com/apple/swift-argument-parser.git (5.36s)
Fetched https://github.com/apple/swift-atomics.git (5.36s)
Computing version for https://github.com/pointfreeco/swift-gen.git
Computed https://github.com/pointfreeco/swift-gen.git at 0.5.0 (8.35s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.1 (0.57s)
Computing version for https://github.com/apple/swift-testing.git
Computed https://github.com/apple/swift-testing.git at 0.99.0 (0.63s)
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Computing version for https://github.com/swiftlang/swift-syntax.git
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Computing version for https://github.com/apple/swift-docc-plugin
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Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (2.18s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.8.2 (0.58s)
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
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.1
Creating working copy for https://github.com/pointfreeco/swift-gen.git
Working copy of https://github.com/pointfreeco/swift-gen.git resolved at 0.5.0
Creating working copy for https://github.com/apple/swift-argument-parser.git
Working copy of https://github.com/apple/swift-argument-parser.git resolved at 1.8.2
Creating working copy for https://github.com/apple/swift-testing.git
Working copy of https://github.com/apple/swift-testing.git resolved at 0.99.0
Creating working copy for https://github.com/swiftlang/swift-syntax.git
Working copy of https://github.com/swiftlang/swift-syntax.git resolved at 600.0.1
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
error: SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftQC/Arbitrary/Conformances/Range+Arbitrary.swift failed with a nonzero exit code. Command line:     cd /Users/admin/builder
    builtin-SwiftPerFileCompile Range+Arbitrary.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftQC/Arbitrary/Conformances/Range+Arbitrary.swift:105:31: error: reference to captured var 'val1' in concurrently-executing code [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
103 |             }
104 |
105 |             return Gen.always(val1..<val2 as Range<Bound.Value>?) // Explicitly optional
    |                               `- error: reference to captured var 'val1' in concurrently-executing code [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
106 |         }.compactMap { $0 } // compactMap will unwrap Some and filter out None/nil
107 |     }
/Users/admin/builder/spi-builder-workspace/Sources/SwiftQC/Arbitrary/Conformances/Range+Arbitrary.swift:105:38: error: reference to captured var 'val2' in concurrently-executing code [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
103 |             }
104 |
105 |             return Gen.always(val1..<val2 as Range<Bound.Value>?) // Explicitly optional
    |                                      `- error: reference to captured var 'val2' in concurrently-executing code [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
106 |         }.compactMap { $0 } // compactMap will unwrap Some and filter out None/nil
107 |     }
[#SendableClosureCaptures]: <https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures>
Failed frontend command:
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/Users/admin/builder/spi-builder-workspace/Sources/SwiftQC/Arbitrary/Conformances/DateComponents+Arbitrary.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftQC/Arbitrary/Conformances/Decimal+Arbitrary.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftQC/Arbitrary/Conformances/Dictionary+Arbitrary.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftQC/Arbitrary/Conformances/FixedWidthInteger+Arbitrary.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/SwiftQC/Arbitrary/Conformances/FloatingPoint+Arbitrary.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/SwiftQC/Arbitrary/Conformances/Int+Arbitrary.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/SwiftQC/Arbitrary/Conformances/Optional+Arbitrary.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/SwiftQC/Arbitrary/Conformances/Range+Arbitrary.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftQC/Arbitrary/Conformances/Result+Arbitrary.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftQC/Arbitrary/Conformances/Set+Arbitrary.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftQC/Arbitrary/Conformances/String+Arbitrary.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftQC/Arbitrary/Conformances/URL+Arbitrary.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftQC/Arbitrary/Conformances/UUID+Arbitrary.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftQC/Arbitrary/Conformances/UnicodeScalar+Arbitrary.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftQC/Arbitrary/Conformances/Void+Arbitrary.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftQC/Core/Property.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftQC/Generators/Gen.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftQC/Parallel/ParallelCommands.swift 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/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftQC.build/Debug/SwiftQC-t.build/Objects-normal/arm64/SwiftQC-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/PackageFrameworks -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 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error: Build failed
BUILD FAILURE 6.4 macosSpm