Swift Package IndexBuild Information
Failed to build swift-snapshot-testing, reference 1.2.0 (b71a65), with Swift 6.3 for Linux on 18 Apr 2026 15:40:03 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/snapshot-testing/swift-snapshot-testing.git
Reference: 1.2.0
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: git branch -m <name>
From https://github.com/snapshot-testing/swift-snapshot-testing
* tag 1.2.0 -> FETCH_HEAD
HEAD is now at b71a657 Fix Linux Builds (#4)
Cloned https://github.com/snapshot-testing/swift-snapshot-testing.git
Revision (git rev-parse @):
b71a65781992ae8238c9d2e4f5965d5b0d634510
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/snapshot-testing/swift-snapshot-testing.git at 1.2.0
========================================
Build
========================================
Selected platform: linux
Swift version: 6.3
Building package at path: $PWD
https://github.com/snapshot-testing/swift-snapshot-testing.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:5a7d791d2ead8a924b1292cb31bf3288eabcfe8880e0b005b00b45b71a5bc36a
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest
Fetching https://github.com/snapshot-testing/xc-snapshot-testing
Fetching https://github.com/swiftlang/swift-syntax
[1/831] Fetching xc-snapshot-testing
[351/75814] Fetching xc-snapshot-testing, swift-syntax
Fetched https://github.com/snapshot-testing/xc-snapshot-testing from cache (0.95s)
[11248/74983] Fetching swift-syntax
Fetched https://github.com/swiftlang/swift-syntax from cache (7.54s)
Computing version for https://github.com/snapshot-testing/xc-snapshot-testing
Computed https://github.com/snapshot-testing/xc-snapshot-testing at 1.2.0 (8.04s)
Fetching https://github.com/pointfreeco/swift-custom-dump
[1/5464] Fetching swift-custom-dump
Fetching https://github.com/o-nnerb/swift-async-stream
Fetched https://github.com/pointfreeco/swift-custom-dump from cache (0.49s)
[1/272] Fetching swift-async-stream
Fetched https://github.com/o-nnerb/swift-async-stream from cache (0.49s)
Computing version for https://github.com/pointfreeco/swift-custom-dump
Computed https://github.com/pointfreeco/swift-custom-dump at 1.5.0 (1.36s)
Fetching https://github.com/pointfreeco/xctest-dynamic-overlay
[1/5723] Fetching xctest-dynamic-overlay
Fetched https://github.com/pointfreeco/xctest-dynamic-overlay from cache (0.85s)
Computing version for https://github.com/o-nnerb/swift-async-stream
Computed https://github.com/o-nnerb/swift-async-stream at 1.3.3 (1.32s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 602.0.0 (2.99s)
Computing version for https://github.com/pointfreeco/xctest-dynamic-overlay
Computed https://github.com/pointfreeco/xctest-dynamic-overlay at 1.9.0 (0.40s)
Creating working copy for https://github.com/pointfreeco/xctest-dynamic-overlay
Working copy of https://github.com/pointfreeco/xctest-dynamic-overlay resolved at 1.9.0
Creating working copy for https://github.com/pointfreeco/swift-custom-dump
Working copy of https://github.com/pointfreeco/swift-custom-dump resolved at 1.5.0
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 602.0.0
Creating working copy for https://github.com/snapshot-testing/xc-snapshot-testing
Working copy of https://github.com/snapshot-testing/xc-snapshot-testing resolved at 1.2.0
Creating working copy for https://github.com/o-nnerb/swift-async-stream
Working copy of https://github.com/o-nnerb/swift-async-stream resolved at 1.3.3
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/602.0.0/swift-6.3-RELEASE-ubuntu_jammy_x86_64-MacroSupport.tar.gz
Downloaded https://download.swift.org/prebuilts/swift-syntax/602.0.0/swift-6.3-RELEASE-ubuntu_jammy_x86_64-MacroSupport.tar.gz (0.72s)
Building for debugging...
[0/22] Write sources
[20/22] Compiling _SwiftSyntaxCShims PlatformMutex.c
[21/22] Write swift-version-24593BA9C3E375BF.txt
[23/45] Emitting module SwiftSyntax602
[24/45] Emitting module SwiftSyntax600
[25/45] Compiling SwiftSyntax600 Empty.swift
[27/46] Emitting module IssueReportingPackageSupport
[28/46] Compiling IssueReportingPackageSupport _Test.swift
[29/47] Compiling SwiftSyntax601 Empty.swift
[30/47] Emitting module SwiftSyntax509
[31/47] Compiling SwiftSyntax509 Empty.swift
[32/47] Emitting module SwiftSyntax601
[33/49] Emitting module SwiftSyntax510
[34/49] Compiling SwiftSyntax510 Empty.swift
[37/50] Compiling SwiftSyntax602 Empty.swift
[41/134] Compiling SwiftSyntax MissingNodeInitializers.swift
[42/134] Compiling SwiftSyntax RawSyntax.swift
[43/136] Emitting module IssueReporting
[44/136] Compiling IssueReporting WithExpectedIssue.swift
[45/136] Compiling IssueReporting WithIssueContext.swift
[46/136] Compiling SwiftSyntax AbsolutePosition.swift
[47/136] Compiling SwiftSyntax AbsoluteSyntaxInfo.swift
[48/136] Compiling SwiftSyntax ArenaAllocatedBuffer.swift
[49/136] Compiling SwiftSyntax Assert.swift
[50/136] Compiling SwiftSyntax BumpPtrAllocator.swift
[51/136] Compiling SwiftSyntax CommonAncestor.swift
[52/136] Compiling SwiftSyntax Convenience.swift
[53/136] Compiling SwiftSyntax CustomTraits.swift
[54/136] Compiling SwiftSyntax EditorPlaceholder.swift
[62/145] Compiling SwiftAsyncStream SubjectAsyncIterator.swift
[67/145] Compiling SwiftSyntax Identifier.swift
[68/145] Compiling SwiftSyntax MemoryLayout.swift
[69/145] Compiling SwiftAsyncStream PassthroughSubject.swift
[70/145] Compiling SwiftSyntax RawSyntaxTokenView.swift
[71/145] Compiling SwiftSyntax SourceEdit.swift
[72/145] Compiling SwiftSyntax ChildNameForKeyPath.swift
[73/145] Emitting module SwiftAsyncStream
[76/145] Compiling SwiftAsyncStream ValueSubject.swift
[77/145] Compiling SwiftAsyncStream NodeSubject.swift
[80/145] Compiling SwiftSyntax SyntaxNodeStructure.swift
[81/145] Compiling SwiftSyntax SyntaxProtocol.swift
[82/145] Compiling SwiftSyntax SyntaxText.swift
[83/145] Compiling SwiftSyntax SyntaxTreeViewMode.swift
[84/145] Compiling SwiftSyntax TokenDiagnostic.swift
[85/145] Compiling SwiftSyntax TokenSequence.swift
[86/145] Compiling SwiftSyntax TokenSyntax.swift
[87/145] Compiling SwiftSyntax Trivia.swift
[88/145] Compiling SwiftSyntax Utils.swift
[89/145] Compiling SwiftSyntax RawSyntaxArena.swift
[90/145] Compiling SwiftSyntax RawSyntaxLayoutView.swift
[91/145] Compiling SwiftSyntax RawSyntaxNodeProtocol.swift
[92/145] Compiling SwiftAsyncStream Task+.swift
[95/150] Compiling XCTestDynamicOverlay Exports.swift
[96/242] Emitting module XCTestDynamicOverlay
[97/242] Compiling XCTestDynamicOverlay Deprecations.swift
[99/243] Compiling XCSnapshotTesting Snapshot+NSViewController.swift
[100/243] Compiling XCSnapshotTesting Snapshot+SceneKit.swift
[101/243] Compiling XCSnapshotTesting Snapshot+SpriteKit.swift
[102/243] Compiling XCSnapshotTesting Snapshot+UIApplication.swift
[103/243] Compiling XCSnapshotTesting Snapshot+UIBezierPath.swift
[104/243] Compiling XCSnapshotTesting Snapshot+UIView.swift
[105/243] Compiling XCSnapshotTesting Snapshot+UIViewController.swift
[106/243] Compiling XCSnapshotTesting Snapshot+View.swift
[107/243] Compiling XCSnapshotTesting InterfaceSizeClassTraitKey.swift
[108/271] Compiling XCSnapshotTesting DisplayScaleTraitKey.swift
[109/271] Compiling XCSnapshotTesting ForceTouchCapabilityTraitKey.swift
[110/271] Compiling XCSnapshotTesting ImageDynamicRangeTraitKey.swift
[111/271] Compiling XCSnapshotTesting LayoutDirectionTraitKey.swift
[112/271] Compiling XCSnapshotTesting LegibilityWeightTraitKey.swift
[113/271] Compiling XCSnapshotTesting ListEnvironmentTraitKey.swift
[114/271] Compiling XCSnapshotTesting SceneCaptureStateTraitKey.swift
[115/271] Compiling XCSnapshotTesting ToolbarItemPresentationSizeTraitKey.swift
[116/271] Compiling XCSnapshotTesting TypesettingLanguageTraitKey.swift
[117/271] Compiling XCSnapshotTesting UserInterfaceActiveAppearanceTraitKey.swift
[118/271] Compiling XCSnapshotTesting UserInterfaceIdiomTraitKey.swift
[119/271] Compiling XCSnapshotTesting UserInterfaceLevelTraitKey.swift
[120/271] Compiling XCSnapshotTesting UserInterfaceStyleTraitKey.swift
[121/283] Compiling CustomDump StoreKit.swift
[122/283] Compiling CustomDump Swift.swift
[123/283] Compiling CustomDump SwiftUI.swift
[124/283] Compiling CustomDump UIKit.swift
[125/286] Emitting module XCSnapshotTesting
[126/286] Compiling XCSnapshotTesting Traits.swift
[127/286] Compiling XCSnapshotTesting NoWindowAvailableError.swift
[128/286] Compiling XCSnapshotTesting Snapshot+SDKApplication.swift
[129/286] Compiling XCSnapshotTesting Snapshot+WindowPool.swift
[130/286] Compiling XCSnapshotTesting SnapshotWindowConfiguration.swift
[131/286] Compiling XCSnapshotTesting WindowLease.swift
[132/286] Compiling XCSnapshotTesting WindowPool.swift
[133/286] Compiling XCSnapshotTesting BytesContainer.swift
[134/286] Compiling XCSnapshotTesting BytesRepresentable.swift
[135/286] Compiling XCSnapshotTesting BytesSerializationError.swift
[136/286] Compiling XCSnapshotTesting DataSerialization.swift
[137/286] Compiling XCSnapshotTesting DataSerializationConfiguration.swift
[138/286] Compiling XCSnapshotTesting DataSerializationConfigurationKey.swift
[139/286] Compiling CustomDump Identifiable.swift
[140/286] Compiling CustomDump Mirror.swift
[141/286] Compiling CustomDump String.swift
[142/286] Compiling CustomDump Unordered.swift
[143/286] Compiling CustomDump XCTAssertDifference.swift
[144/286] Compiling CustomDump XCTAssertNoDifference.swift
[145/286] Compiling CustomDump GameKit.swift
[146/286] Compiling CustomDump KeyPath.swift
[147/286] Compiling CustomDump Photos.swift
[148/286] Compiling CustomDump Speech.swift
[149/286] Compiling CustomDump CoreImage.swift
[150/286] Compiling CustomDump CoreLocation.swift
[151/286] Compiling CustomDump CoreMotion.swift
[152/286] Compiling CustomDump Foundation.swift
[153/286] Emitting module CustomDump
[154/286] Compiling XCSnapshotTesting CIImage+Extension.swift
[155/286] Compiling XCSnapshotTesting NSLayoutConstraint+Extension.swift
[156/286] Compiling XCSnapshotTesting ProcessInfo+Extension.swift
[157/286] Compiling XCSnapshotTesting String+Extension.swift
[158/286] Compiling XCSnapshotTesting Task+Extension.swift
[159/286] Compiling XCSnapshotTesting UIApplication+Extension.swift
[160/286] Compiling XCSnapshotTesting UIImage+Extension.swift
[161/286] Compiling XCSnapshotTesting UIView+Extension.swift
[162/286] Compiling XCSnapshotTesting UIViewController+Extension.swift
[163/286] Compiling XCSnapshotTesting UIWindow+Extension.swift
[164/286] Compiling XCSnapshotTesting WKWebView+Extension.swift
[165/286] Compiling XCSnapshotTesting Snapshot+Any.swift
[166/286] Compiling XCSnapshotTesting Snapshot+CaseIterable.swift
[167/286] Compiling CustomDump CustomDumpStringConvertible.swift
[168/286] Compiling CustomDump Diff.swift
[169/286] Compiling CustomDump Dump.swift
[173/286] Compiling CustomDump ExpectDifference.swift
[174/286] Compiling CustomDump ExpectNoDifference.swift
[175/286] Compiling CustomDump AnyType.swift
[176/286] Compiling CustomDump CollectionDifference.swift
[177/286] Compiling CustomDump UniformTypeIdentifiers.swift
[178/286] Compiling CustomDump UserNotifications.swift
[179/286] Compiling CustomDump UserNotificationsUI.swift
[180/286] Compiling CustomDump CustomDumpReflectable.swift
[190/286] Compiling XCSnapshotTesting AccessibilityContrastTraitKey.swift
[191/286] Compiling XCSnapshotTesting ContentSizeCategoryTraitKey.swift
[192/286] Compiling XCSnapshotTesting DisplayGamutTraitKey.swift
[193/286] Compiling XCSnapshotTesting DiffToolEnvironmentKey.swift
[194/286] Compiling XCSnapshotTesting DisableInconsistentTraitsCheckEnvironmentKey.swift
[195/286] Compiling XCSnapshotTesting IncludeMajorPlatformVersionInPathEnvironmentKey.swift
[196/286] Compiling XCSnapshotTesting MaxConcurrentTestsEnvironmentKey.swift
[197/286] Compiling XCSnapshotTesting PlatformEnvironmentKey.swift
[198/286] Compiling XCSnapshotTesting RecordEnvironmentKey.swift
[199/286] Compiling XCSnapshotTesting TraitsEnvironmentKey.swift
[200/286] Compiling XCSnapshotTesting WebViewToleranceEnvironmentKey.swift
[201/286] Compiling XCSnapshotTesting SnapshotEnvironment.swift
[202/286] Compiling XCSnapshotTesting SnapshotEnvironmentKey.swift
[203/286] Compiling XCSnapshotTesting SnapshotEnvironmentValues.swift
[204/286] Compiling XCSnapshotTesting CGImage+Extension.swift
[205/286] Compiling XCSnapshotTesting CGSize+Extension.swift
[210/286] Compiling CustomDump CustomDumpRepresentable.swift
[232/287] Compiling XCSnapshotTesting DataBytes.swift
[233/287] Compiling XCSnapshotTesting ImageBytes.swift
[234/287] Compiling XCSnapshotTesting StringBytes.swift
[235/287] Compiling XCSnapshotTesting Snapshot.swift
[236/287] Compiling XCSnapshotTesting Sync.swift
[237/287] Compiling XCSnapshotTesting SnapshotEngine.swift
[238/287] Compiling XCSnapshotTesting SnapshotFailContext.swift
[239/287] Compiling XCSnapshotTesting SnapshotFailure.swift
[240/287] Compiling XCSnapshotTesting SnapshotFileEngine.swift
[241/287] Compiling XCSnapshotTesting SnapshotPerformOperation.swift
[242/287] Compiling XCSnapshotTesting SnapshotTester.swift
[243/287] Compiling XCSnapshotTesting TestingSystem.swift
[245/298] Emitting module XCSnapshotTestingCustomDump
[246/298] Compiling XCSnapshotTestingCustomDump CustomDump.swift
[248/299] Compiling SnapshotTesting DiffToolTrait.swift
[249/299] Compiling SnapshotTesting RecordTrait.swift
[250/299] Compiling SnapshotTesting PlatformTrait.swift
[251/299] Compiling SnapshotTesting MaxConcurrentTestsTrait.swift
[252/299] Compiling SnapshotTesting TestingSystem+SwiftTestingSystem.swift
/host/spi-builder-workspace/Sources/SnapshotTesting/TestingSystem+SwiftTestingSystem.swift:40:13: error: type 'Data' does not conform to protocol 'Attachable'
38 | }
39 |
40 | Attachment<Data>.record(
| `- error: type 'Data' does not conform to protocol 'Attachable'
41 | payload,
42 | named: attachmentName,
[253/299] Compiling SnapshotTesting Exports.swift
[254/299] Compiling SnapshotTesting TestCompletionNotifier.swift
[255/299] Emitting module SnapshotTesting
BUILD FAILURE 6.3 linux