Swift Package IndexBuild Information
Failed to build Finch, reference 0.5.0 (e2e17a), with Swift 6.1 for Wasm on 15 Aug 2026 11:27:39 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344849-1":/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:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1Build Log
========================================
RunAll
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Builder version: 5.0.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/namolnad/finch.git
Reference: 0.5.0
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/namolnad/finch
* tag 0.5.0 -> FETCH_HEAD
HEAD is now at e2e17a5 [version] Publish version 0.5.0
Cloned https://github.com/namolnad/finch.git
Revision (git rev-parse @):
e2e17a58d99bc6a4d6cf082e6622d5b8b2280905
SUCCESS checkout https://github.com/namolnad/finch.git at 0.5.0
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.1
Building package at path: $PWD
https://github.com/namolnad/finch.git
https://github.com/namolnad/finch.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344849-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
wasm-6.1-latest: Pulling from saguaro1/spi-images
Digest: sha256:290f441d1f5b7bf0dbbe61e8b7514208804cdcb507d57b3c762463ad036298f7
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.1-latest
Fetching https://github.com/apple/swift-argument-parser
Fetching https://github.com/jpsim/Yams.git
Fetching https://github.com/mxcl/Version.git
[1/311] Fetching version
[247/12162] Fetching version, yams
[1142/30466] Fetching version, yams, swift-argument-parser
Fetched https://github.com/mxcl/Version.git from cache (0.75s)
[24941/30155] Fetching yams, swift-argument-parser
Fetched https://github.com/apple/swift-argument-parser from cache (1.09s)
Fetched https://github.com/jpsim/Yams.git from cache (1.11s)
Computing version for https://github.com/jpsim/Yams.git
Computed https://github.com/jpsim/Yams.git at 6.2.2 (1.32s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.8.2 (0.22s)
Computing version for https://github.com/mxcl/Version.git
Computed https://github.com/mxcl/Version.git at 2.2.1 (0.92s)
Creating working copy for https://github.com/mxcl/Version.git
Working copy of https://github.com/mxcl/Version.git resolved at 2.2.1
Creating working copy for https://github.com/jpsim/Yams.git
Working copy of https://github.com/jpsim/Yams.git resolved at 6.2.2
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.8.2
[1/1] Compiling plugin GenerateManual
[2/2] Compiling plugin GenerateDoccReference
Building for debugging...
[2/27] Write sources
[10/27] Compiling writer.c
[11/27] Compiling reader.c
[12/27] Compiling api.c
[13/27] Compiling parser.c
[14/27] Write swift-version-24593BA9C3E375BF.txt
[15/27] Compiling emitter.c
[16/27] Compiling scanner.c
[18/55] Emitting module Yams
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[19/57] Compiling Version Version.swift
[20/57] Compiling Yams Tag.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[21/57] Compiling Yams YamlAnchorProviding.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[22/57] Compiling Yams Mark.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[23/57] Compiling Yams Node.Alias.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[24/57] Compiling Yams Node.Mapping.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[25/57] Compiling Version Version+Range.swift
[26/57] Emitting module ArgumentParserToolInfo
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[27/57] Compiling ArgumentParserToolInfo ToolInfo.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[28/58] Wrapping AST for ArgumentParserToolInfo for debugging
[30/105] Compiling ArgumentParser ArgumentDefinition.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/host/spi-builder-workspace/.build/checkouts/Yams/Sources/Yams/Representer.swift:342:45: error: cannot find 'DBL_DECIMAL_DIG' in scope
340 | // Since `NumberFormatter` creates a string with insufficient precision for Decode,
341 | // it uses with `String(format:...)`
342 | let string = String(format: "%.*g", DBL_DECIMAL_DIG, self)
| `- error: cannot find 'DBL_DECIMAL_DIG' in scope
343 | // "%*.g" does not use scientific notation if the exponent is less than –4.
344 | // So fallback to using `NumberFormatter` if string does not uses scientific notation.
[31/105] Compiling ArgumentParser ArgumentSet.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/host/spi-builder-workspace/.build/checkouts/Yams/Sources/Yams/Representer.swift:342:45: error: cannot find 'DBL_DECIMAL_DIG' in scope
340 | // Since `NumberFormatter` creates a string with insufficient precision for Decode,
341 | // it uses with `String(format:...)`
342 | let string = String(format: "%.*g", DBL_DECIMAL_DIG, self)
| `- error: cannot find 'DBL_DECIMAL_DIG' in scope
343 | // "%*.g" does not use scientific notation if the exponent is less than –4.
344 | // So fallback to using `NumberFormatter` if string does not uses scientific notation.
[32/105] Compiling ArgumentParser CommandParser.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/host/spi-builder-workspace/.build/checkouts/Yams/Sources/Yams/Representer.swift:342:45: error: cannot find 'DBL_DECIMAL_DIG' in scope
340 | // Since `NumberFormatter` creates a string with insufficient precision for Decode,
341 | // it uses with `String(format:...)`
342 | let string = String(format: "%.*g", DBL_DECIMAL_DIG, self)
| `- error: cannot find 'DBL_DECIMAL_DIG' in scope
343 | // "%*.g" does not use scientific notation if the exponent is less than –4.
344 | // So fallback to using `NumberFormatter` if string does not uses scientific notation.
[33/105] Compiling ArgumentParser Option.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[34/105] Compiling ArgumentParser OptionGroup.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[35/105] Compiling ArgumentParser Flag.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[36/105] Compiling ArgumentParser NameSpecification.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[37/105] Compiling ArgumentParser ZshCompletionsGenerator.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[38/105] Compiling ArgumentParser Argument.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[39/105] Compiling ArgumentParser ArgumentDiscussion.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[40/105] Compiling ArgumentParser ArgumentVisibility.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[41/105] Compiling ArgumentParser CompletionKind.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[42/105] Compiling ArgumentParser Errors.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[43/105] Compiling ArgumentParser ArgumentHelp.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[44/105] Compiling ArgumentParser ParsableCommand.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[45/105] Compiling ArgumentParser ArgumentDecoder.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[46/105] Emitting module Version
[47/105] Compiling Version Version+Comparable.swift
[48/105] Compiling Version Version+Codable.swift
[49/105] Compiling Version Version+Foundation.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344849-1":/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:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.1-latest: Pulling from saguaro1/spi-images
Digest: sha256:290f441d1f5b7bf0dbbe61e8b7514208804cdcb507d57b3c762463ad036298f7
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.1-latest
[0/1] Planning build
[1/1] Compiling plugin GenerateManual
[2/2] Compiling plugin GenerateDoccReference
Building for debugging...
[2/13] Write swift-version-24593BA9C3E375BF.txt
[4/41] Compiling Version Version+Codable.swift
[5/41] Compiling Version Version+Foundation.swift
[6/41] Compiling Version Version+Range.swift
[7/41] Emitting module Version
[8/41] Compiling Version Version+Comparable.swift
[9/41] Compiling Version Version.swift
[11/42] Compiling Yams Parser.swift
/host/spi-builder-workspace/.build/checkouts/Yams/Sources/Yams/Representer.swift:342:45: error: cannot find 'DBL_DECIMAL_DIG' in scope
340 | // Since `NumberFormatter` creates a string with insufficient precision for Decode,
341 | // it uses with `String(format:...)`
342 | let string = String(format: "%.*g", DBL_DECIMAL_DIG, self)
| `- error: cannot find 'DBL_DECIMAL_DIG' in scope
343 | // "%*.g" does not use scientific notation if the exponent is less than –4.
344 | // So fallback to using `NumberFormatter` if string does not uses scientific notation.
[12/42] Compiling Yams RedundancyAliasingStrategy.swift
/host/spi-builder-workspace/.build/checkouts/Yams/Sources/Yams/Representer.swift:342:45: error: cannot find 'DBL_DECIMAL_DIG' in scope
340 | // Since `NumberFormatter` creates a string with insufficient precision for Decode,
341 | // it uses with `String(format:...)`
342 | let string = String(format: "%.*g", DBL_DECIMAL_DIG, self)
| `- error: cannot find 'DBL_DECIMAL_DIG' in scope
343 | // "%*.g" does not use scientific notation if the exponent is less than –4.
344 | // So fallback to using `NumberFormatter` if string does not uses scientific notation.
[13/42] Compiling Yams Representer.swift
/host/spi-builder-workspace/.build/checkouts/Yams/Sources/Yams/Representer.swift:342:45: error: cannot find 'DBL_DECIMAL_DIG' in scope
340 | // Since `NumberFormatter` creates a string with insufficient precision for Decode,
341 | // it uses with `String(format:...)`
342 | let string = String(format: "%.*g", DBL_DECIMAL_DIG, self)
| `- error: cannot find 'DBL_DECIMAL_DIG' in scope
343 | // "%*.g" does not use scientific notation if the exponent is less than –4.
344 | // So fallback to using `NumberFormatter` if string does not uses scientific notation.
[13/44] Wrapping AST for Version for debugging
[15/44] Emitting module Yams
[16/44] Compiling Yams Node.Scalar.swift
[17/44] Compiling Yams Node.Sequence.swift
[18/44] Compiling Yams Node.swift
[19/44] Compiling Yams AliasDereferencingStrategy.swift
[20/44] Compiling Yams Anchor.swift
[21/44] Compiling Yams Constructor.swift
[22/44] Emitting module ArgumentParserToolInfo
[23/44] Compiling ArgumentParserToolInfo ToolInfo.swift
[24/45] Compiling Yams YamlError.swift
[25/45] Compiling Yams YamlTagProviding.swift
[27/91] Compiling ArgumentParser ZshCompletionsGenerator.swift
[28/91] Compiling ArgumentParser Argument.swift
[29/91] Compiling ArgumentParser ArgumentDiscussion.swift
[30/91] Compiling ArgumentParser DumpHelpGenerator.swift
[31/91] Compiling ArgumentParser HelpCommand.swift
[32/91] Compiling ArgumentParser HelpGenerator.swift
[33/91] Compiling ArgumentParser MessageInfo.swift
[34/91] Compiling ArgumentParser ParsedValues.swift
[35/91] Compiling ArgumentParser ParserError.swift
[36/91] Compiling ArgumentParser SplitArguments.swift
BUILD FAILURE 6.1 wasm