Swift Package IndexBuild Information
Failed to build Subtweak, reference main (5ceadc), with Swift 6.3 for Wasm on 14 Apr 2026 00:23:27 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/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:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/juri/subtweak.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/juri/subtweak
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 5ceadc4 Try disabling setup-swift
Cloned https://github.com/juri/subtweak.git
Revision (git rev-parse @):
5ceadc45871dd781a128ec104b3d1c482b22cf21
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/juri/subtweak.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/juri/subtweak.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d69f4e7582c319245442d62a08b2d7c7fd5a0c0c69f5d2ef11d1530cd8d3329b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest
Fetching https://github.com/pointfreeco/swift-custom-dump.git
Fetching https://github.com/apple/swift-argument-parser.git
Fetching https://github.com/pointfreeco/swift-parsing.git
[1/5464] Fetching swift-custom-dump
[165/22987] Fetching swift-custom-dump, swift-argument-parser
Fetched https://github.com/pointfreeco/swift-custom-dump.git from cache (0.39s)
[4732/17523] Fetching swift-argument-parser
[17524/115628] Fetching swift-argument-parser, swift-parsing
Fetched https://github.com/apple/swift-argument-parser.git from cache (6.09s)
Fetched https://github.com/pointfreeco/swift-parsing.git from cache (6.20s)
Computing version for https://github.com/pointfreeco/swift-parsing.git
Computed https://github.com/pointfreeco/swift-parsing.git at 0.14.1 (9.32s)
Fetching https://github.com/pointfreeco/swift-case-paths
[1/4616] Fetching swift-case-paths
Fetched https://github.com/pointfreeco/swift-case-paths from cache (0.43s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.7.1 (0.91s)
Computing version for https://github.com/pointfreeco/swift-custom-dump.git
Computed https://github.com/pointfreeco/swift-custom-dump.git at 1.5.0 (0.64s)
Fetching https://github.com/pointfreeco/xctest-dynamic-overlay
[1/5723] Fetching xctest-dynamic-overlay
Fetched https://github.com/pointfreeco/xctest-dynamic-overlay from cache (0.76s)
Computing version for https://github.com/pointfreeco/xctest-dynamic-overlay
Computed https://github.com/pointfreeco/xctest-dynamic-overlay at 1.9.0 (12.06s)
Computing version for https://github.com/pointfreeco/swift-case-paths
Computed https://github.com/pointfreeco/swift-case-paths at 1.7.3 (15.61s)
Fetching https://github.com/swiftlang/swift-syntax
[1/74972] Fetching swift-syntax
Fetched https://github.com/swiftlang/swift-syntax from cache (6.19s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 603.0.0 (9.28s)
Creating working copy for https://github.com/pointfreeco/swift-case-paths
Working copy of https://github.com/pointfreeco/swift-case-paths resolved at 1.7.3
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 1.7.1
Creating working copy for https://github.com/pointfreeco/swift-custom-dump.git
Working copy of https://github.com/pointfreeco/swift-custom-dump.git resolved at 1.5.0
Creating working copy for https://github.com/pointfreeco/swift-parsing.git
Working copy of https://github.com/pointfreeco/swift-parsing.git resolved at 0.14.1
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 603.0.0
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
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/603.0.0/swift-6.3-RELEASE-ubuntu_jammy_x86_64-MacroSupport.tar.gz
Downloaded https://download.swift.org/prebuilts/swift-syntax/603.0.0/swift-6.3-RELEASE-ubuntu_jammy_x86_64-MacroSupport.tar.gz (0.73s)
[1/1] Compiling plugin GenerateManual
[2/2] Compiling plugin GenerateDoccReference
Building for debugging...
[2/33] Write sources
[15/33] Write swift-version-24593BA9C3E375BF.txt
[17/42] Compiling IssueReportingPackageSupport _Test.swift
[18/42] Emitting module IssueReportingPackageSupport
[19/43] Compiling CasePathsMacros Plugin.swift
[20/43] Wrapping AST for IssueReportingPackageSupport for debugging
[22/43] Emitting module CasePathsMacros
[23/43] Compiling CasePathsMacros CasePathableMacro.swift
[25/45] Compiling ArgumentParserToolInfo ToolInfo.swift
[26/45] Emitting module ArgumentParserToolInfo
[27/66] Wrapping AST for CasePathsMacros for debugging
[28/66] Wrapping AST for ArgumentParserToolInfo for debugging
[29/66] Write Objects.LinkFileList
[31/66] Compiling IssueReporting IssueSeverity.swift
[32/66] Compiling IssueReporting ReportIssue.swift
[33/68] Emitting module IssueReporting
[34/113] Compiling ArgumentParser BashCompletionsGenerator.swift
[35/113] Compiling ArgumentParser CompletionsGenerator.swift
[36/113] Compiling ArgumentParser FishCompletionsGenerator.swift
[37/113] Compiling ArgumentParser ParsableArguments.swift
[38/113] Compiling ArgumentParser InputOrigin.swift
[39/113] Compiling Subtitles Subtitle.swift
[40/113] Emitting module Subtitles
[42/114] Compiling ArgumentParser ArgumentSet.swift
[43/114] Compiling ArgumentParser CommandParser.swift
[44/114] Compiling ArgumentParser InputKey.swift
[45/114] Compiling ArgumentParser CommandGroup.swift
[46/114] Compiling ArgumentParser EnumerableFlag.swift
[47/114] Compiling ArgumentParser ExpressibleByArgument.swift
[48/114] Compiling ArgumentParser ParentCommand.swift
[49/114] Compiling ArgumentParser AsyncParsableCommand.swift
[50/114] Compiling ArgumentParser CommandConfiguration.swift
[51/114] Compiling ArgumentParser ZshCompletionsGenerator.swift
[52/114] Compiling ArgumentParser Argument.swift
[53/114] Compiling ArgumentParser ArgumentDiscussion.swift
[54/114] Compiling ArgumentParser ArgumentHelp.swift
[55/114] Compiling ArgumentParser ParsableCommand.swift
[56/115] Linking CasePathsMacros-tool
[57/115] Wrapping AST for Subtitles for debugging
[58/115] Wrapping AST for IssueReporting for debugging
[60/118] Compiling XCTestDynamicOverlay Exports.swift
[61/118] Emitting module ArgumentParser
[62/124] Compiling ArgumentParser Foundation.swift
[63/124] Compiling ArgumentParser Mutex.swift
[64/124] Compiling ArgumentParser Platform.swift
[65/124] Compiling ArgumentParser SequenceExtensions.swift
[66/124] Compiling ArgumentParser StringExtensions.swift
[67/124] Compiling ArgumentParser SwiftExtensions.swift
[68/124] Emitting module XCTestDynamicOverlay
[69/124] Compiling XCTestDynamicOverlay Deprecations.swift
[70/125] Wrapping AST for XCTestDynamicOverlay for debugging
[79/135] Emitting module CasePathsCore
[80/135] Compiling CasePathsCore UncheckedSendable.swift
[81/136] Compiling CasePathsCore TypeName.swift
[82/136] Compiling CasePathsCore KeyPath+Sendable.swift
[83/136] Compiling CasePathsCore Never+CasePathable.swift
[84/136] Compiling CasePathsCore Optional+CasePathable.swift
[85/136] Compiling ArgumentParser ArgumentVisibility.swift
[86/136] Compiling ArgumentParser CompletionKind.swift
[87/136] Compiling ArgumentParser Errors.swift
[88/136] Compiling ArgumentParser Flag.swift
[89/136] Compiling ArgumentParser NameSpecification.swift
[90/136] Compiling ArgumentParser Option.swift
[91/136] Compiling ArgumentParser OptionGroup.swift
[93/136] Compiling ArgumentParser Name.swift
[94/136] Compiling ArgumentParser Parsed.swift
[95/136] Compiling ArgumentParser ParsedValues.swift
[96/136] Compiling ArgumentParser ParserError.swift
[97/136] Compiling ArgumentParser SplitArguments.swift
[98/136] Compiling CasePathsCore Result+CasePathable.swift
[99/136] Compiling CasePathsCore AnyCasePath.swift
[100/136] Compiling CasePathsCore CasePathIterable.swift
[101/136] Compiling CasePathsCore CasePathReflectable.swift
[102/136] Compiling CasePathsCore CasePathable.swift
[103/137] Wrapping AST for CasePathsCore for debugging
[105/144] Compiling ArgumentParser Tree.swift
[106/144] Compiling ArgumentParser CodingKeyValidator.swift
[107/144] Compiling ArgumentParser NonsenseFlagsValidator.swift
[108/144] Compiling ArgumentParser ParsableArgumentsValidation.swift
[109/144] Compiling ArgumentParser PositionalArgumentsValidator.swift
[110/144] Compiling ArgumentParser UniqueNamesValidator.swift
[111/144] Compiling CasePaths Exports.swift
[112/144] Compiling CasePaths Macros.swift
[113/144] Compiling CasePaths LockIsolated.swift
[114/144] Compiling ArgumentParser DumpHelpGenerator.swift
[115/144] Compiling ArgumentParser HelpCommand.swift
[116/144] Compiling ArgumentParser HelpGenerator.swift
[117/144] Compiling ArgumentParser MessageInfo.swift
[118/144] Compiling ArgumentParser UsageGenerator.swift
[119/144] Compiling ArgumentParser CollectionExtensions.swift
[120/144] Compiling CasePaths XCTestSupport.swift
[121/144] Compiling CasePaths Deprecations.swift
[122/144] Emitting module CasePaths
[123/144] Compiling CasePaths EnumReflection.swift
[132/145] Compiling ArgumentParser ArgumentDecoder.swift
[133/145] Compiling ArgumentParser ArgumentDefinition.swift
[138/146] Wrapping AST for CasePaths for debugging
[139/146] Wrapping AST for ArgumentParser for debugging
[141/213] Compiling Parsing CountingRange.swift
[142/213] Compiling Parsing EmptyInitializable.swift
[143/213] Compiling Parsing AnyEquatable.swift
[144/213] Compiling Parsing Deprecations.swift
[145/213] Compiling Parsing Parser.swift
[146/213] Compiling Parsing ParserPrinter.swift
[147/213] Compiling Parsing Always.swift
[148/213] Compiling Parsing AnyParserPrinter.swift
[149/213] Compiling Parsing Backtracking.swift
[150/213] Compiling Parsing Bool.swift
[151/222] Compiling Parsing OneOf.swift
[152/222] Compiling Parsing OneOfMany.swift
[153/222] Compiling Parsing Optional.swift
[154/222] Compiling Parsing Optionally.swift
[155/222] Compiling Parsing Parse.swift
[156/222] Compiling Parsing ParseableFormatStyle.swift
[157/222] Compiling Parsing Peek.swift
[158/222] Compiling Parsing Pipe.swift
[159/222] Compiling Parsing Prefix.swift
[160/222] Compiling Parsing CaseIterableRawRepresentable.swift
[161/222] Compiling Parsing CharacterSet.swift
[162/222] Compiling Parsing Conditional.swift
[163/222] Compiling Parsing Consumed.swift
[164/222] Compiling Parsing Digits.swift
[165/222] Compiling Parsing End.swift
[166/222] Compiling Parsing Fail.swift
[167/222] Compiling Parsing Filter.swift
[168/222] Compiling Parsing First.swift
[169/222] Compiling Parsing PrefixThrough.swift
[170/222] Compiling Parsing PrefixUpTo.swift
[171/222] Compiling Parsing Printing.swift
[172/222] Compiling Parsing Pullback.swift
[173/222] Compiling Parsing ReplaceError.swift
[174/222] Compiling Parsing Rest.swift
[175/222] Compiling Parsing Skip.swift
[176/222] Compiling Parsing StartsWith.swift
[177/222] Compiling Parsing UUID.swift
[178/222] Compiling Parsing Float.swift
[179/222] Compiling Parsing From.swift
[180/222] Compiling Parsing Int.swift
[181/222] Compiling Parsing Lazy.swift
[182/222] Compiling Parsing Literal.swift
[183/222] Compiling Parsing Many.swift
[184/222] Compiling Parsing Map.swift
[185/222] Compiling Parsing Newline.swift
[186/222] Compiling Parsing Not.swift
[187/222] Emitting module Parsing
[188/222] Compiling Parsing Identity.swift
[189/222] Compiling Parsing JSON.swift
[190/222] Compiling Parsing LosslessStringConvertible.swift
[191/222] Compiling Parsing Memberwise.swift
[192/222] Compiling Parsing ParseableFormatStyleConversion.swift
[193/222] Compiling Parsing RawRepresentable.swift
[194/222] Compiling Parsing String.swift
[195/222] Compiling Parsing Substring.swift
[196/222] Compiling Parsing UTF8View.swift
[197/222] Compiling Parsing ConvertingError.swift
[198/222] Compiling Parsing OneOfBuilder.swift
[199/222] Compiling Parsing ParserBuilder.swift
[200/222] Compiling Parsing Conversion.swift
[201/222] Compiling Parsing AnyConversion.swift
[202/222] Compiling Parsing BinaryFloatingPoint.swift
[203/222] Compiling Parsing ConversionMap.swift
[204/222] Compiling Parsing Conversions.swift
[205/222] Compiling Parsing Data.swift
[206/222] Compiling Parsing Enum.swift
[207/222] Compiling Parsing FixedWidthInteger.swift
[208/222] Compiling Parsing Whitespace.swift
[209/222] Compiling Parsing AnyParser.swift
[210/222] Compiling Parsing CompactMap.swift
[211/222] Compiling Parsing FlatMap.swift
[212/222] Compiling Parsing Parsers.swift
[213/222] Compiling Parsing Stream.swift
[214/222] Compiling Parsing ParsingError.swift
[215/222] Compiling Parsing PrependableCollection.swift
[216/222] Compiling Parsing PrintingError.swift
[217/223] Wrapping AST for Parsing for debugging
[219/227] Compiling SRTParse DocumentIO.swift
[220/227] Compiling SRTParse Conversion.swift
[221/227] Emitting module SRTParse
[222/227] Compiling SRTParse SRT.swift
[223/228] Wrapping AST for SRTParse for debugging
[225/232] Emitting module SubEdit
[226/232] Compiling SubEdit SubEditor.swift
[227/232] Compiling SubEdit Encoding.swift
[228/232] Compiling SubEdit IO.swift
/host/spi-builder-workspace/Sources/SubEdit/IO.swift:34:47: error: 'atomic' is unavailable: atomic writing is unavailable in WASI because temporary files are not supported
32 | try FileHandle.standardOutput.write(contentsOf: data)
33 | case let .url(url):
34 | try data.write(to: url, options: .atomic)
| `- error: 'atomic' is unavailable: atomic writing is unavailable in WASI because temporary files are not supported
35 | }
36 | }
FoundationEssentials.Data.WritingOptions.atomic:4:23: note: 'atomic' has been explicitly marked unavailable here
2 | struct WritingOptions {
3 | @available(*, unavailable, message: "atomic writing is unavailable in WASI because temporary files are not supported")
4 | public static let atomic: Data.WritingOptions }
| `- note: 'atomic' has been explicitly marked unavailable here
5 | }
6 |
BUILD FAILURE 6.3 wasm