Prism – Build Information – Swift Package Index

Build Information

Failed to build Prism, reference main (f8d985), with Swift 6.4 for Wasm on 17 Sep 2026 07:56:24 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/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:wasm-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/GettEngineering/Prism.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/GettEngineering/Prism
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at f8d9855 Prism binary build
Cloned https://github.com/GettEngineering/Prism.git
Revision (git rev-parse @):
f8d98551806be0b47a873da8170dbf0cc7d97ada
SUCCESS checkout https://github.com/GettEngineering/Prism.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/GettEngineering/Prism.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:4328fdb43c680d205c1d6761b1e3267aa38277eefdda9ddfb17b6a0f1a77857a
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Fetching https://github.com/BuzzFeed/MockDuck
[1/576] Fetching mockduck
Fetched https://github.com/BuzzFeed/MockDuck (0.47s)
Fetching https://github.com/Quick/Nimble
Fetching https://github.com/Quick/Quick
Fetching https://github.com/jpsim/Yams
Fetching https://github.com/pointfreeco/swift-snapshot-testing.git
Fetching https://github.com/apple/swift-argument-parser
[1/11861] Fetching yams
[2/31847] Fetching yams, nimble
[1313/50730] Fetching yams, nimble, swift-argument-parser
[36201/65655] Fetching yams, nimble, swift-argument-parser, quick
Fetched https://github.com/apple/swift-argument-parser (0.85s)
[26342/46772] Fetching yams, nimble, quick
[46773/63186] Fetching yams, nimble, quick, swift-snapshot-testing
Fetched https://github.com/Quick/Nimble (1.44s)
[27115/43200] Fetching yams, quick, swift-snapshot-testing
Fetched https://github.com/Quick/Quick (2.36s)
Fetched https://github.com/jpsim/Yams (2.38s)
Fetched https://github.com/pointfreeco/swift-snapshot-testing.git (2.39s)
Computing version for https://github.com/jpsim/Yams
Computed https://github.com/jpsim/Yams at 3.0.1 (2.59s)
Computing version for https://github.com/Quick/Nimble
Computed https://github.com/Quick/Nimble at 9.2.1 (0.19s)
Fetching https://github.com/mattgallagher/CwlPreconditionTesting.git
[1/1257] Fetching cwlpreconditiontesting
Fetched https://github.com/mattgallagher/CwlPreconditionTesting.git (0.45s)
Computing version for https://github.com/Quick/Quick
Computed https://github.com/Quick/Quick at 3.1.2 (0.65s)
Computing version for https://github.com/mattgallagher/CwlPreconditionTesting.git
Computed https://github.com/mattgallagher/CwlPreconditionTesting.git at 2.2.2 (0.19s)
Fetching https://github.com/mattgallagher/CwlCatchException.git
[1/460] Fetching cwlcatchexception
Fetched https://github.com/mattgallagher/CwlCatchException.git (0.44s)
Computing version for https://github.com/mattgallagher/CwlCatchException.git
Computed https://github.com/mattgallagher/CwlCatchException.git at 2.2.1 (0.63s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 0.5.0 (0.19s)
Computing version for https://github.com/pointfreeco/swift-snapshot-testing.git
Computed https://github.com/pointfreeco/swift-snapshot-testing.git at 1.19.5 (0.18s)
Fetching https://github.com/pointfreeco/swift-custom-dump
Fetching https://github.com/swiftlang/swift-syntax
[1/5655] Fetching swift-custom-dump
[5656/85580] Fetching swift-custom-dump, swift-syntax
Fetched https://github.com/pointfreeco/swift-custom-dump (2.94s)
Fetched https://github.com/swiftlang/swift-syntax (2.96s)
Computing version for https://github.com/pointfreeco/swift-custom-dump
Computed https://github.com/pointfreeco/swift-custom-dump at 1.7.3 (3.15s)
Fetching https://github.com/pointfreeco/swift-issue-reporting
[1/6136] Fetching swift-issue-reporting
Fetched https://github.com/pointfreeco/swift-issue-reporting (0.76s)
Computing version for https://github.com/pointfreeco/swift-issue-reporting
Computed https://github.com/pointfreeco/swift-issue-reporting at 2.1.0 (1.87s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 604.0.0 (0.31s)
Creating working copy for https://github.com/Quick/Quick
Working copy of https://github.com/Quick/Quick resolved at 3.1.2
Creating working copy for https://github.com/mattgallagher/CwlCatchException.git
Working copy of https://github.com/mattgallagher/CwlCatchException.git resolved at 2.2.1
Creating working copy for https://github.com/mattgallagher/CwlPreconditionTesting.git
Working copy of https://github.com/mattgallagher/CwlPreconditionTesting.git resolved at 2.2.2
Creating working copy for https://github.com/jpsim/Yams
Working copy of https://github.com/jpsim/Yams resolved at 3.0.1
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 0.5.0
Creating working copy for https://github.com/pointfreeco/swift-snapshot-testing.git
Working copy of https://github.com/pointfreeco/swift-snapshot-testing.git resolved at 1.19.5
Creating working copy for https://github.com/pointfreeco/swift-issue-reporting
Working copy of https://github.com/pointfreeco/swift-issue-reporting resolved at 2.1.0
Creating working copy for https://github.com/Quick/Nimble
Working copy of https://github.com/Quick/Nimble resolved at 9.2.1
Creating working copy for https://github.com/BuzzFeed/MockDuck
Working copy of https://github.com/BuzzFeed/MockDuck resolved at master (ce0189d)
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
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 604.0.0
warning: 'spi-builder-workspace': dependency 'quick' is not used by any target
warning: 'spi-builder-workspace': dependency 'nimble' is not used by any target
warning: 'spi-builder-workspace': dependency 'swift-snapshot-testing' is not used by any target
warning: 'spi-builder-workspace': dependency 'mockduck' is not used by any target
warning: 'spi-builder-workspace': dependency 'quick' is not used by any target
warning: 'spi-builder-workspace': dependency 'nimble' is not used by any target
warning: 'spi-builder-workspace': dependency 'swift-snapshot-testing' is not used by any target
warning: 'spi-builder-workspace': dependency 'mockduck' is not used by any target
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 359]
[Constructing 533 / 724]
[68 / 139] Yams
[72 / 139] ArgumentParserToolInfo
[79 / 139] Yams
[80 / 139] ProviderCore
[90 / 139] Yams
[93 / 139] ProviderCore
[94 / 139] ZeplinSwift
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/.build/checkouts/Yams/Sources/Yams/Representer.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile Representer.swift
/host/spi-builder-workspace/.build/checkouts/Yams/Sources/Yams/Representer.swift:306:45: [1;31merror: [1;39mcannot find 'DBL_DECIMAL_DIG' in scope[0;0m
[0;36m304 |[0;0m         // Since `NumberFormatter` creates a string with insufficient precision for Decode,
[0;36m305 |[0;0m         // it uses with `String(format:...)`
[0;36m306 |[0;0m         let string = String(format: "%.*g", [4;39mDBL_DECIMAL_DIG[0;0m, self)
    [0;36m|[0;0m                                             `- [1;31merror: [1;39mcannot find 'DBL_DECIMAL_DIG' in scope[0;0m
[0;36m307 |[0;0m         // "%*.g" does not use scientific notation if the exponent is less than –4.
[0;36m308 |[0;0m         // So fallback to using `NumberFormatter` if string does not uses scientific notation.
Failed frontend command:
/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/.build/checkouts/Yams/Sources/Yams/Constructor.swift /host/spi-builder-workspace/.build/checkouts/Yams/Sources/Yams/Decoder.swift /host/spi-builder-workspace/.build/checkouts/Yams/Sources/Yams/Emitter.swift /host/spi-builder-workspace/.build/checkouts/Yams/Sources/Yams/Encoder.swift /host/spi-builder-workspace/.build/checkouts/Yams/Sources/Yams/Mark.swift /host/spi-builder-workspace/.build/checkouts/Yams/Sources/Yams/Node.Mapping.swift /host/spi-builder-workspace/.build/checkouts/Yams/Sources/Yams/Node.Scalar.swift /host/spi-builder-workspace/.build/checkouts/Yams/Sources/Yams/Node.Sequence.swift /host/spi-builder-workspace/.build/checkouts/Yams/Sources/Yams/Node.swift /host/spi-builder-workspace/.build/checkouts/Yams/Sources/Yams/Parser.swift -primary-file /host/spi-builder-workspace/.build/checkouts/Yams/Sources/Yams/Representer.swift -primary-file /host/spi-builder-workspace/.build/checkouts/Yams/Sources/Yams/Resolver.swift /host/spi-builder-workspace/.build/checkouts/Yams/Sources/Yams/String+Yams.swift /host/spi-builder-workspace/.build/checkouts/Yams/Sources/Yams/Tag.swift /host/spi-builder-workspace/.build/checkouts/Yams/Sources/Yams/YamlError.swift /host/spi-builder-workspace/.build/checkouts/Yams/Sources/Yams/shim.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Yams.build/Debug-webassembly-wasm32/Yams-t.build/Objects-normal/wasm32/Representer.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Yams.build/Debug-webassembly-wasm32/Yams-t.build/Objects-normal/wasm32/Representer.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Yams.build/Debug-webassembly-wasm32/Yams-t.build/Objects-normal/wasm32/Representer.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Yams.build/Debug-webassembly-wasm32/Yams-t.build/Objects-normal/wasm32/Representer.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Yams.build/Debug-webassembly-wasm32/Yams-t.build/Objects-normal/wasm32/Resolver.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Yams.build/Debug-webassembly-wasm32/Yams-t.build/Objects-normal/wasm32/Resolver.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Yams.build/Debug-webassembly-wasm32/Yams-t.build/Objects-normal/wasm32/Resolver.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Yams.build/Debug-webassembly-wasm32/Yams-t.build/Objects-normal/wasm32/Resolver.dia -target wasm32-unknown-wasip1 -disable-objc-interop -sdk /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk -sysroot /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk -I /host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32 -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 -suppress-warnings -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 -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 -resource-dir /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static -use-static-resource-dir -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc -resource-dir -Xcc /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/clang -Xcc -fmodule-map-file\=/host/spi-builder-workspace/.build/checkouts/Yams/Sources/CYaml/include/module.modulemap -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/checkouts/Yams/Sources/CYaml/include -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Yams.build/Debug-webassembly-wasm32/Yams-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Yams.build/Debug-webassembly-wasm32/Yams-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Yams.build/Debug-webassembly-wasm32/Yams-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Yams -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/Yams.build/Debug-webassembly-wasm32/Yams-t.build/Objects-normal/wasm32/Yams_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/Yams.build/Debug-webassembly-wasm32/Yams-t.build/Objects-normal/wasm32/Representer.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Yams.build/Debug-webassembly-wasm32/Yams-t.build/Objects-normal/wasm32/Resolver.o -index-unit-output-path /Yams.build/Debug-webassembly-wasm32/Yams-t.build/Objects-normal/wasm32/Representer.o -index-unit-output-path /Yams.build/Debug-webassembly-wasm32/Yams-t.build/Objects-normal/wasm32/Resolver.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 wasm