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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build Noora, reference 0.37.1 (e695b0), with Swift 5.10 for macOS (SPM) on 28 Apr 2025 16:43:43 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/tuist/noora.git
Reference: 0.37.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/tuist/noora
 * tag               0.37.1     -> FETCH_HEAD
HEAD is now at e695b05 [Release] Noora 0.37.1
Cloned https://github.com/tuist/noora.git
Revision (git rev-parse @):
e695b056570bb10ea3da0d1924153ca0567b54cb
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/tuist/noora.git at 0.37.1
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $PWD
https://github.com/tuist/noora.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.4.0.app xcrun swift build --arch arm64
[1/1] Compiling plugin GenerateManual
Building for debugging...
[1/15] Write sources
[2/15] Write examples-cli-entitlement.plist
[2/15] Write sources
[9/15] Write swift-version-33747A42983211AE.txt
[11/35] Emitting module Path
[12/35] Compiling Path Path.swift
[13/35] Emitting module ArgumentParserToolInfo
[14/35] Compiling ArgumentParserToolInfo ToolInfo.swift
[15/74] Compiling Logging MetadataProvider.swift
[16/74] Compiling Logging Locks.swift
[17/74] Compiling Logging LogHandler.swift
[18/74] Compiling Logging Logging.swift
[19/74] Emitting module Logging
[20/74] Compiling Rainbow String+Rainbow.swift
[21/74] Compiling Rainbow StringGenerator.swift
[22/75] Compiling ArgumentParser ArgumentHelp.swift
[23/75] Compiling ArgumentParser ArgumentVisibility.swift
[24/75] Compiling ArgumentParser CompletionKind.swift
[25/75] Compiling ArgumentParser Errors.swift
[26/75] Compiling ArgumentParser Flag.swift
[27/79] Emitting module ArgumentParser
[28/79] Compiling Rainbow Style.swift
[29/79] Compiling ArgumentParser Platform.swift
[30/79] Compiling ArgumentParser SequenceExtensions.swift
[31/79] Compiling ArgumentParser StringExtensions.swift
[32/79] Compiling ArgumentParser Tree.swift
[33/79] Compiling ArgumentParser BashCompletionsGenerator.swift
[34/79] Compiling ArgumentParser CompletionsGenerator.swift
[35/79] Compiling ArgumentParser FishCompletionsGenerator.swift
[36/79] Compiling ArgumentParser ZshCompletionsGenerator.swift
[37/79] Compiling ArgumentParser Argument.swift
[38/79] Compiling Rainbow OutputTarget.swift
[39/79] Compiling Rainbow Rainbow.swift
[40/79] Compiling Rainbow ModesExtractor.swift
[41/79] Compiling Rainbow ControlCode.swift
[42/79] Compiling Rainbow Color.swift
[43/79] Emitting module Rainbow
[44/79] Compiling Rainbow ColorApproximation.swift
[47/106] Compiling ArgumentParser NameSpecification.swift
[48/106] Compiling ArgumentParser Option.swift
[49/106] Compiling ArgumentParser OptionGroup.swift
[50/106] Compiling ArgumentParser AsyncParsableCommand.swift
[51/106] Compiling Noora ValidationError.swift
[52/106] Compiling Noora InputValidating.swift
[53/106] Compiling Noora LengthValidationRule.swift
[54/106] Compiling Noora NonEmptyValidationRule.swift
[55/106] Compiling ArgumentParser ParsableArguments.swift
[56/106] Compiling ArgumentParser ParsableArgumentsValidation.swift
[57/106] Compiling ArgumentParser ParsableCommand.swift
[58/106] Compiling ArgumentParser ArgumentDecoder.swift
[59/106] Compiling Noora String+ValidatableError.swift
[60/106] Compiling Noora Noora.swift
[61/106] Compiling Noora Renderer.swift
[62/106] Compiling Noora Spinner.swift
[63/106] Compiling Noora StandardPipelines.swift
[64/106] Compiling Noora YesOrNoChoicePrompt.swift
[65/106] Compiling Noora Stack.swift
[66/106] Compiling Noora Character+isPrintable.swift
[67/106] Compiling Noora ProgressStep.swift
[68/106] Compiling Noora SingleChoicePrompt.swift
[69/106] Compiling Noora TextPrompt.swift
[70/106] Compiling Noora ValidatableRule.swift
[71/106] Compiling ArgumentParser ParserError.swift
[72/106] Compiling ArgumentParser SplitArguments.swift
[73/106] Compiling ArgumentParser DumpHelpGenerator.swift
[74/106] Compiling ArgumentParser HelpCommand.swift
[75/106] Compiling Noora String+Rainbow.swift
[81/108] Emitting module Noora
[82/108] Compiling Noora Terminal.swift
/Users/admin/builder/spi-builder-workspace/Sources/Noora/Utilities/TerminalText.swift:43:17: warning: immutable value 'href' was never used; consider replacing with '_' or removing it
                href
                ^~~~
                _
[83/108] Compiling Noora TerminalText.swift
/Users/admin/builder/spi-builder-workspace/Sources/Noora/Utilities/TerminalText.swift:43:17: warning: immutable value 'href' was never used; consider replacing with '_' or removing it
                href
                ^~~~
                _
[84/108] Compiling Noora ValidatableError.swift
/Users/admin/builder/spi-builder-workspace/Sources/Noora/Utilities/TerminalText.swift:43:17: warning: immutable value 'href' was never used; consider replacing with '_' or removing it
                href
                ^~~~
                _
[85/108] Compiling Noora NooraMock.swift
[86/108] Compiling Noora Theme.swift
[87/108] Compiling Noora KeyStrokeListener.swift
[88/108] Compiling Noora Alert.swift
[89/108] Compiling Noora CollapsibleStep.swift
[90/108] Compiling Noora ProgressBarStep.swift
[96/108] Compiling Noora RegexValidationRule.swift
[97/108] Compiling Noora Validator.swift
[103/108] Write Objects.LinkFileList
/Applications/Xcode-15.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool: warning duplicate member name 'String+Rainbow.swift.o' from '/Users/admin/builder/spi-builder-workspace/.build/arm64-apple-macosx/debug/Noora.build/String+Rainbow.swift.o(String+Rainbow.swift.o)' and '/Users/admin/builder/spi-builder-workspace/.build/arm64-apple-macosx/debug/Rainbow.build/String+Rainbow.swift.o(String+Rainbow.swift.o)'
[104/108] Archiving libNoora.a
[106/118] Compiling examples_cli ExamplesCLI.swift
[107/118] Compiling examples_cli YesOrNoChoicePromptCommand.swift
[108/118] Compiling examples_cli SingleChoicePromptCommand.swift
/Users/admin/builder/spi-builder-workspace/Sources/examples-cli/Commands/SingleChoicePromptCommand.swift:41:41: error: unknown attribute 'retroactive'
extension SingleChoicePromptFilterMode: @retroactive ExpressibleByArgument {
                                        ^
/Users/admin/builder/spi-builder-workspace/Sources/examples-cli/Commands/SingleChoicePromptCommand.swift:41:1: error: inheritance from non-protocol type 'any ExpressibleByArgument'
extension SingleChoicePromptFilterMode: @retroactive ExpressibleByArgument {
^
[109/118] Compiling examples_cli ProgressStepCommand.swift
[110/118] Compiling examples_cli FormatCommand.swift
[111/118] Compiling examples_cli ProgressBarStepCommand.swift
[112/118] Compiling examples_cli TextPromptCommand.swift
[113/118] Compiling examples_cli CollapsibleStepCommand.swift
[114/118] Compiling examples_cli AlertCommand.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[115/118] Emitting module examples_cli
/Users/admin/builder/spi-builder-workspace/Sources/examples-cli/Commands/SingleChoicePromptCommand.swift:41:41: error: unknown attribute 'retroactive'
extension SingleChoicePromptFilterMode: @retroactive ExpressibleByArgument {
                                        ^
/Users/admin/builder/spi-builder-workspace/Sources/examples-cli/Commands/SingleChoicePromptCommand.swift:41:1: error: inheritance from non-protocol type 'any ExpressibleByArgument'
extension SingleChoicePromptFilterMode: @retroactive ExpressibleByArgument {
^
error: fatalError
Fetching https://github.com/tuist/path
Fetching https://github.com/apple/swift-log
Fetching https://github.com/onevcat/Rainbow
Fetching https://github.com/apple/swift-argument-parser
[1/348] Fetching path
[68/1544] Fetching path, rainbow
[1079/5380] Fetching path, rainbow, swift-log
[2466/20330] Fetching path, rainbow, swift-log, swift-argument-parser
Fetched https://github.com/apple/swift-argument-parser from cache (2.02s)
Fetched https://github.com/onevcat/Rainbow from cache (2.02s)
Fetched https://github.com/apple/swift-log from cache (2.02s)
Fetched https://github.com/tuist/path from cache (2.02s)
Computing version for https://github.com/tuist/path
Computed https://github.com/tuist/path at 0.3.8 (2.43s)
Computing version for https://github.com/apple/swift-log
Computed https://github.com/apple/swift-log at 1.6.3 (0.38s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.5.0 (0.39s)
Computing version for https://github.com/onevcat/Rainbow
Computed https://github.com/onevcat/Rainbow at 4.1.0 (1.79s)
Creating working copy for https://github.com/apple/swift-log
Working copy of https://github.com/apple/swift-log resolved at 1.6.3
Creating working copy for https://github.com/tuist/path
Working copy of https://github.com/tuist/path resolved at 0.3.8
Creating working copy for https://github.com/onevcat/Rainbow
Working copy of https://github.com/onevcat/Rainbow resolved at 4.1.0
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.5.0
BUILD FAILURE 5.10 macosSpm