Swift Package IndexBuild Information
Successful build of RomanNumerals, reference 1.0.0 (a58be1), with Swift 6.1 for Linux on 26 Apr 2025 12:21:33 UTC.
Swift 6 data race errors: 2
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -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>&1Build Log
========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/danielctull/RomanNumerals.git
Reference: 1.0.0
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/danielctull/RomanNumerals
* tag 1.0.0 -> FETCH_HEAD
HEAD is now at a58be11 Run tests on the Swift 5.2 release
Cloned https://github.com/danielctull/RomanNumerals.git
Revision (git rev-parse @):
a58be11f11083c5aeef718ebd536f55d8f983d0e
SUCCESS checkout https://github.com/danielctull/RomanNumerals.git at 1.0.0
========================================
Build
========================================
Selected platform: linux
Swift version: 6.1
Building package at path: $PWD
https://github.com/danielctull/RomanNumerals.git
https://github.com/danielctull/RomanNumerals.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
"dependencies" : [
{
"identity" : "swift-argument-parser",
"requirement" : {
"range" : [
{
"lower_bound" : "0.0.1",
"upper_bound" : "1.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-argument-parser"
}
],
"manifest_display_name" : "RomanNumerals",
"name" : "RomanNumerals",
"path" : "/host/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "RomanNumerals",
"targets" : [
"RomanNumerals"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "roman",
"targets" : [
"RomanNumeralsTool"
],
"type" : {
"executable" : null
}
}
],
"targets" : [
{
"c99name" : "RomanNumeralsTool",
"module_type" : "SwiftTarget",
"name" : "RomanNumeralsTool",
"path" : "Sources/RomanNumeralsTool",
"product_dependencies" : [
"ArgumentParser"
],
"product_memberships" : [
"roman"
],
"sources" : [
"main.swift"
],
"target_dependencies" : [
"RomanNumerals"
],
"type" : "executable"
},
{
"c99name" : "RomanNumeralsTests",
"module_type" : "SwiftTarget",
"name" : "RomanNumeralsTests",
"path" : "Tests/RomanNumeralsTests",
"sources" : [
"RomanNumeralTests.swift"
],
"target_dependencies" : [
"RomanNumerals"
],
"type" : "test"
},
{
"c99name" : "RomanNumerals",
"module_type" : "SwiftTarget",
"name" : "RomanNumerals",
"path" : "Sources/RomanNumerals",
"product_memberships" : [
"RomanNumerals",
"roman"
],
"sources" : [
"RomanNumeral.swift",
"Symbol.swift"
],
"type" : "library"
}
],
"tools_version" : "5.1"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -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
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Fetching https://github.com/apple/swift-argument-parser
[1/14937] Fetching swift-argument-parser
Fetched https://github.com/apple/swift-argument-parser from cache (0.73s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 0.5.0 (1.19s)
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
Building for debugging...
[0/11] Write sources
[4/11] Write swift-version-24593BA9C3E375BF.txt
[6/16] Compiling RomanNumerals Symbol.swift
[7/16] Emitting module ArgumentParserToolInfo
[8/16] Compiling ArgumentParserToolInfo ToolInfo.swift
[9/17] Wrapping AST for ArgumentParserToolInfo for debugging
[11/51] Emitting module RomanNumerals
/host/spi-builder-workspace/Sources/RomanNumerals/RomanNumeral.swift:119:23: warning: static property 'zero' is not concurrency-safe because non-'Sendable' type 'RomanNumeral' may have shared mutable state; this is an error in the Swift 6 language mode
1 |
2 | public struct RomanNumeral: Equatable {
| `- note: consider making struct 'RomanNumeral' conform to the 'Sendable' protocol
3 | public let symbols: [Symbol]
4 | }
:
117 | extension RomanNumeral: AdditiveArithmetic {
118 |
119 | public static let zero = RomanNumeral(symbols: [])
| |- warning: static property 'zero' is not concurrency-safe because non-'Sendable' type 'RomanNumeral' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'zero' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
120 |
121 | public static func += (lhs: inout RomanNumeral, rhs: RomanNumeral) {
[12/51] Compiling RomanNumerals RomanNumeral.swift
/host/spi-builder-workspace/Sources/RomanNumerals/RomanNumeral.swift:119:23: warning: static property 'zero' is not concurrency-safe because non-'Sendable' type 'RomanNumeral' may have shared mutable state; this is an error in the Swift 6 language mode
1 |
2 | public struct RomanNumeral: Equatable {
| `- note: consider making struct 'RomanNumeral' conform to the 'Sendable' protocol
3 | public let symbols: [Symbol]
4 | }
:
117 | extension RomanNumeral: AdditiveArithmetic {
118 |
119 | public static let zero = RomanNumeral(symbols: [])
| |- warning: static property 'zero' is not concurrency-safe because non-'Sendable' type 'RomanNumeral' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'zero' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
120 |
121 | public static func += (lhs: inout RomanNumeral, rhs: RomanNumeral) {
[13/52] Wrapping AST for RomanNumerals for debugging
[15/52] Emitting module ArgumentParser
[16/56] Compiling ArgumentParser Option.swift
[17/56] Compiling ArgumentParser OptionGroup.swift
[18/56] Compiling ArgumentParser CommandConfiguration.swift
[19/56] Compiling ArgumentParser EnumerableFlag.swift
[20/56] Compiling ArgumentParser ExpressibleByArgument.swift
[21/56] Compiling ArgumentParser CollectionExtensions.swift
[22/56] Compiling ArgumentParser SequenceExtensions.swift
[23/56] Compiling ArgumentParser StringExtensions.swift
[24/56] Compiling ArgumentParser Tree.swift
[25/56] Compiling ArgumentParser ArgumentHelp.swift
[26/56] Compiling ArgumentParser CompletionKind.swift
[27/56] Compiling ArgumentParser Errors.swift
[28/56] Compiling ArgumentParser Flag.swift
[29/56] Compiling ArgumentParser NameSpecification.swift
[30/56] Compiling ArgumentParser BashCompletionsGenerator.swift
[31/56] Compiling ArgumentParser CompletionsGenerator.swift
[32/56] Compiling ArgumentParser FishCompletionsGenerator.swift
[33/56] Compiling ArgumentParser ZshCompletionsGenerator.swift
[34/56] Compiling ArgumentParser Argument.swift
[35/56] Compiling ArgumentParser ParsedValues.swift
[36/56] Compiling ArgumentParser ParserError.swift
[37/56] Compiling ArgumentParser SplitArguments.swift
[38/56] Compiling ArgumentParser DumpHelpGenerator.swift
[39/56] Compiling ArgumentParser ParsableArguments.swift
[40/56] Compiling ArgumentParser ParsableArgumentsValidation.swift
[41/56] Compiling ArgumentParser ParsableCommand.swift
[42/56] Compiling ArgumentParser ArgumentDecoder.swift
[43/56] Compiling ArgumentParser ArgumentDefinition.swift
[44/56] Compiling ArgumentParser ArgumentSet.swift
[45/56] Compiling ArgumentParser CommandParser.swift
[46/56] Compiling ArgumentParser InputOrigin.swift
[47/56] Compiling ArgumentParser Name.swift
[48/56] Compiling ArgumentParser Parsed.swift
[49/56] Compiling ArgumentParser HelpCommand.swift
[50/56] Compiling ArgumentParser HelpGenerator.swift
[51/56] Compiling ArgumentParser MessageInfo.swift
[52/56] Compiling ArgumentParser UsageGenerator.swift
[53/57] Wrapping AST for ArgumentParser for debugging
[55/59] Emitting module RomanNumeralsTool
/host/spi-builder-workspace/Sources/RomanNumeralsTool/main.swift:7:16: warning: static property 'configuration' is not concurrency-safe because non-'Sendable' type 'CommandConfiguration' may have shared mutable state; this is an error in the Swift 6 language mode
5 | struct Roman: ParsableCommand {
6 |
7 | static let configuration = CommandConfiguration(
| `- warning: static property 'configuration' is not concurrency-safe because non-'Sendable' type 'CommandConfiguration' may have shared mutable state; this is an error in the Swift 6 language mode
8 | abstract: "Roman numerals utility.",
9 | subcommands: [To.self, From.self])
/host/spi-builder-workspace/.build/checkouts/swift-argument-parser/Sources/ArgumentParser/Parsable Types/CommandConfiguration.swift:13:15: note: struct 'CommandConfiguration' does not conform to the 'Sendable' protocol
11 |
12 | /// The configuration for a command.
13 | public struct CommandConfiguration {
| `- note: struct 'CommandConfiguration' does not conform to the 'Sendable' protocol
14 | /// The name of the command to use on the command line.
15 | ///
/host/spi-builder-workspace/Sources/RomanNumeralsTool/main.swift:2:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'ArgumentParser'
1 |
2 | import ArgumentParser
| `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'ArgumentParser'
3 | import RomanNumerals
4 |
5 | struct Roman: ParsableCommand {
6 |
7 | static let configuration = CommandConfiguration(
| |- note: add '@MainActor' to make static property 'configuration' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
8 | abstract: "Roman numerals utility.",
9 | subcommands: [To.self, From.self])
[56/59] Compiling RomanNumeralsTool main.swift
/host/spi-builder-workspace/Sources/RomanNumeralsTool/main.swift:7:16: warning: static property 'configuration' is not concurrency-safe because non-'Sendable' type 'CommandConfiguration' may have shared mutable state; this is an error in the Swift 6 language mode
5 | struct Roman: ParsableCommand {
6 |
7 | static let configuration = CommandConfiguration(
| `- warning: static property 'configuration' is not concurrency-safe because non-'Sendable' type 'CommandConfiguration' may have shared mutable state; this is an error in the Swift 6 language mode
8 | abstract: "Roman numerals utility.",
9 | subcommands: [To.self, From.self])
/host/spi-builder-workspace/.build/checkouts/swift-argument-parser/Sources/ArgumentParser/Parsable Types/CommandConfiguration.swift:13:15: note: struct 'CommandConfiguration' does not conform to the 'Sendable' protocol
11 |
12 | /// The configuration for a command.
13 | public struct CommandConfiguration {
| `- note: struct 'CommandConfiguration' does not conform to the 'Sendable' protocol
14 | /// The name of the command to use on the command line.
15 | ///
/host/spi-builder-workspace/Sources/RomanNumeralsTool/main.swift:2:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'ArgumentParser'
1 |
2 | import ArgumentParser
| `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'ArgumentParser'
3 | import RomanNumerals
4 |
5 | struct Roman: ParsableCommand {
6 |
7 | static let configuration = CommandConfiguration(
| |- note: add '@MainActor' to make static property 'configuration' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
8 | abstract: "Roman numerals utility.",
9 | subcommands: [To.self, From.self])
[57/60] Wrapping AST for RomanNumeralsTool for debugging
[58/60] Write Objects.LinkFileList
[59/60] Linking roman
Build complete! (9.53s)
Build complete.
{
"dependencies" : [
{
"identity" : "swift-argument-parser",
"requirement" : {
"range" : [
{
"lower_bound" : "0.0.1",
"upper_bound" : "1.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-argument-parser"
}
],
"manifest_display_name" : "RomanNumerals",
"name" : "RomanNumerals",
"path" : "/host/spi-builder-workspace",
"platforms" : [
],
"products" : [
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"targets" : [
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"name" : "roman",
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"targets" : [
{
"c99name" : "RomanNumeralsTool",
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],
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"roman"
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"RomanNumeral.swift",
"Symbol.swift"
],
"type" : "library"
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basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Done.