Swift Package IndexBuild Information
Failed to build swift-snapshot-testing, reference main (deeb39), with Swift 6.4 for Linux on 24 Sep 2026 03:24:01 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344844-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:basic-6.4-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
========================================
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/snapshot-testing/swift-snapshot-testing.git
Reference: main
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
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at deeb39a Update code-coverage.yml
Cloned https://github.com/snapshot-testing/swift-snapshot-testing.git
Revision (git rev-parse @):
deeb39a6058d9253549441b288a2787f340e3f71
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/snapshot-testing/swift-snapshot-testing.git at main
========================================
Build
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Selected platform: linux
Swift version: 6.4
Building package at path: $PWD
https://github.com/snapshot-testing/swift-snapshot-testing.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344844-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:basic-6.4-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:c77fcce225e223ac0fafed844619173fc6de8d62dd560eeb28db3182af6a282b
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:basic-6.4-latest
Fetching https://github.com/snapshot-testing/xc-snapshot-testing
Fetching https://github.com/swiftlang/swift-syntax
[1/857] Fetching xc-snapshot-testing
Fetched https://github.com/snapshot-testing/xc-snapshot-testing (0.67s)
[1/80027] Fetching swift-syntax
Fetched https://github.com/swiftlang/swift-syntax (4.01s)
Computing version for https://github.com/snapshot-testing/xc-snapshot-testing
Computed https://github.com/snapshot-testing/xc-snapshot-testing at 1.2.0 (4.19s)
Fetching https://github.com/o-nnerb/swift-async-stream
Fetching https://github.com/pointfreeco/swift-custom-dump
[1/905] Fetching swift-async-stream
[834/6571] Fetching swift-async-stream, swift-custom-dump
Fetched https://github.com/o-nnerb/swift-async-stream (0.49s)
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Fetched https://github.com/pointfreeco/swift-custom-dump (0.54s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 602.0.0 (1.73s)
Computing version for https://github.com/o-nnerb/swift-async-stream
Computed https://github.com/o-nnerb/swift-async-stream at 1.4.1 (0.15s)
Computing version for https://github.com/pointfreeco/swift-custom-dump
Computed https://github.com/pointfreeco/swift-custom-dump at 1.7.3 (0.18s)
Fetching https://github.com/pointfreeco/swift-issue-reporting
[1/6161] Fetching swift-issue-reporting
Fetched https://github.com/pointfreeco/swift-issue-reporting (0.68s)
Computing version for https://github.com/pointfreeco/swift-issue-reporting
Computed https://github.com/pointfreeco/swift-issue-reporting at 2.1.1 (1.84s)
Creating working copy for https://github.com/pointfreeco/swift-issue-reporting
Working copy of https://github.com/pointfreeco/swift-issue-reporting resolved at 2.1.1
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 1.4.1
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/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 602.0.0
Creating working copy for https://github.com/pointfreeco/swift-custom-dump
Working copy of https://github.com/pointfreeco/swift-custom-dump resolved at 1.7.3
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 626]
[Planning deferred tasks]
[131 / 260]
[151 / 288] SwiftSyntax601
[170 / 288] SwiftSyntax509
[171 / 288] IssueReporting
[179 / 288] IssueReporting
[186 / 289] SwiftAsyncStream
[187 / 290] SwiftSyntax601
[190 / 292] SwiftSyntax601
[197 / 293] SwiftSyntax509
[200 / 293] SwiftAsyncStream
[202 / 293] IssueReporting
[206 / 294] SwiftAsyncStream
[208 / 295]
[210 / 304] SwiftSyntax602
[214 / 304] IssueReporting
[220 / 304] XCSnapshotTesting
[221 / 304] XCSnapshotTesting
[222 / 304] XCSnapshotTesting
[223 / 304] SwiftSyntax602
[224 / 305]
[226 / 305] IssueReporting
[227 / 306]
[231 / 315] XCSnapshotTesting
[235 / 315] XCSnapshotTesting
[237 / 315] XCSnapshotTesting-product
[238 / 315] XCSnapshotTesting-product
[240 / 315] SwiftSyntax
[241 / 316] XCSnapshotTesting
[243 / 316] XCSnapshotTesting
[244 / 317]
[245 / 326] IssueReporting
[246 / 326] IssueReporting
[248 / 326] CustomDump
[249 / 326] CustomDump
[251 / 326] CustomDump
[255 / 326] SwiftSyntax
[257 / 326] CustomDump-product
[258 / 326] CustomDump
[261 / 329]
[270 / 339] SnapshotTesting
[272 / 340] XCSnapshotTestingCustomDump
[273 / 340] XCSnapshotTestingCustomDump
error: SwiftCompile normal x86_64 /host/spi-builder-workspace/Sources/SnapshotTesting/TestingSystem+SwiftTestingSystem.swift failed with a nonzero exit code. Command line: cd /host
builtin-SwiftPerFileCompile TestingSystem+SwiftTestingSystem.swift
/host/spi-builder-workspace/Sources/SnapshotTesting/TestingSystem+SwiftTestingSystem.swift:40:13: [1;31merror: [1;39mtype 'Data' does not conform to protocol 'Attachable'[0;0m
[0;36m38 |[0;0m }
[0;36m39 |[0;0m
[0;36m40 |[0;0m Attachment<Data>.record(
[0;36m|[0;0m `- [1;31merror: [1;39mtype 'Data' does not conform to protocol 'Attachable'[0;0m
[0;36m41 |[0;0m payload,
[0;36m42 |[0;0m named: attachmentName,
Failed frontend command:
/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/Sources/SnapshotTesting/Exports.swift /host/spi-builder-workspace/Sources/SnapshotTesting/TestCompletionNotifier.swift -primary-file /host/spi-builder-workspace/Sources/SnapshotTesting/TestingSystem+SwiftTestingSystem.swift /host/spi-builder-workspace/Sources/SnapshotTesting/Traits/DiffToolTrait.swift /host/spi-builder-workspace/Sources/SnapshotTesting/Traits/MaxConcurrentTestsTrait.swift /host/spi-builder-workspace/Sources/SnapshotTesting/Traits/PlatformTrait.swift /host/spi-builder-workspace/Sources/SnapshotTesting/Traits/RecordTrait.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-snapshot-testing.build/Debug-linux-x86_64/SnapshotTesting-t.build/Objects-normal/x86_64/TestingSystem+SwiftTestingSystem.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-snapshot-testing.build/Debug-linux-x86_64/SnapshotTesting-t.build/Objects-normal/x86_64/TestingSystem+SwiftTestingSystem.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-snapshot-testing.build/Debug-linux-x86_64/SnapshotTesting-t.build/Objects-normal/x86_64/TestingSystem+SwiftTestingSystem.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-snapshot-testing.build/Debug-linux-x86_64/SnapshotTesting-t.build/Objects-normal/x86_64/TestingSystem+SwiftTestingSystem.dia -target x86_64-unknown-linux-gnu -disable-objc-interop -I /host/spi-builder-workspace/.build/out/Products/Debug-linux-x86_64 -module-cache-path /host/spi-builder-workspace/.build/out/ModuleCache.noindex -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 6 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -external-plugin-path /usr/lib/swift/host/plugins/testing\#/usr/bin/swift-plugin-server -validate-clang-modules-once -clang-build-session-file /host/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /host -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc -fno-omit-frame-pointer -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-linux-x86_64/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-snapshot-testing.build/Debug-linux-x86_64/SnapshotTesting-t.build/DerivedSources-normal/x86_64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-snapshot-testing.build/Debug-linux-x86_64/SnapshotTesting-t.build/DerivedSources/x86_64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-snapshot-testing.build/Debug-linux-x86_64/SnapshotTesting-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SnapshotTesting -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-snapshot-testing.build/Debug-linux-x86_64/SnapshotTesting-t.build/Objects-normal/x86_64/SnapshotTesting_const_extract_protocols.json -in-process-plugin-server-path /usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /usr/lib/swift/host/plugins -plugin-path /usr/local/lib/swift/host/plugins -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-snapshot-testing.build/Debug-linux-x86_64/SnapshotTesting-t.build/Objects-normal/x86_64/TestingSystem+SwiftTestingSystem.o -index-unit-output-path /swift-snapshot-testing.build/Debug-linux-x86_64/SnapshotTesting-t.build/Objects-normal/x86_64/TestingSystem+SwiftTestingSystem.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
[275 / 340] XCSnapshotTestingCustomDump
error: Build failed
BUILD FAILURE 6.4 linux