Build Information
Successful build of Buildkite, reference 0.3.2 (4c5f2d), with Swift 6.4 for macOS (SPM) on 18 Sep 2026 11:20:26 UTC.
Swift 6 data race errors: 0
Build Command
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64Build Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/aaronsky/buildkite-swift.git
Reference: 0.3.2
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/aaronsky/buildkite-swift
* tag 0.3.2 -> FETCH_HEAD
HEAD is now at 4c5f2dd Add Sendable conformances
Cloned https://github.com/aaronsky/buildkite-swift.git
Revision (git rev-parse @):
4c5f2dd0c1c25a341437522d82dc976b3a878bc4
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/aaronsky/buildkite-swift.git at 0.3.2
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.4
Building package at path: $PWD
https://github.com/aaronsky/buildkite-swift.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Planning deferred tasks]
[19 / 28]
[20 / 29] Buildkite
[30 / 74]
[35 / 74]
[38 / 74]
[39 / 74]
[43 / 74]
[45 / 74]
[48 / 74]
[51 / 74]
[53 / 74]
[54 / 74]
[65 / 74] Buildkite
[66 / 74] Buildkite
Build complete! (8.52 sec)
Fetching https://github.com/apple/swift-docc-plugin
[1/2345] Fetching swift-docc-plugin
Fetched https://github.com/apple/swift-docc-plugin (1.99s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.5.0 (2.72s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3823] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit (1.39s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (2.15s)
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.5.0
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
/Users/admin/builder/spi-builder-workspace/Sources/Buildkite/Networking/URL+Buildkite.swift:69:1: [1;33mwarning: [1;39mextension declares a conformance of imported type 'Date' to imported protocol 'LosslessStringConvertible'; this will not behave correctly if the owners of 'Foundation' introduce this conformance in the future[0;0m
[0;36m67 |[0;0m }
[0;36m68 |[0;0m
[0;36m69 |[0;0m extension Date: LosslessStringConvertible {
[0;36m|[0;0m |- [1;33mwarning: [1;39mextension declares a conformance of imported type 'Date' to imported protocol 'LosslessStringConvertible'; this will not behave correctly if the owners of 'Foundation' introduce this conformance in the future[0;0m
[0;36m|[0;0m `- [1;39mnote: [1;39madd '@retroactive' to silence this warning[0;0m
[0;36m70 |[0;0m public init?(
[0;36m71 |[0;0m _ description: String
/Users/admin/builder/spi-builder-workspace/Sources/Buildkite/Networking/URL+Buildkite.swift:80:1: [1;33mwarning: [1;39mextension declares a conformance of imported type 'UUID' to imported protocol 'LosslessStringConvertible'; this will not behave correctly if the owners of 'Foundation' introduce this conformance in the future[0;0m
[0;36m78 |[0;0m }
[0;36m79 |[0;0m
[0;36m80 |[0;0m extension UUID: LosslessStringConvertible {
[0;36m|[0;0m |- [1;33mwarning: [1;39mextension declares a conformance of imported type 'UUID' to imported protocol 'LosslessStringConvertible'; this will not behave correctly if the owners of 'Foundation' introduce this conformance in the future[0;0m
[0;36m|[0;0m `- [1;39mnote: [1;39madd '@retroactive' to silence this warning[0;0m
[0;36m81 |[0;0m public init?(
[0;36m82 |[0;0m _ description: String
/Users/admin/builder/spi-builder-workspace/Sources/Buildkite/Networking/Transport.swift:72:65: [1;33mwarning: [1;39mconverting a value of type '(__shared sending Result<URLSession.Output, any Error>) -> ()' (aka '(__shared sending Result<(data: Data, response: URLResponse), any Error>) -> ()') to type '(Result<URLSession.Output, any Error>) -> Void' (aka '(Result<(data: Data, response: URLResponse), any Error>) -> ()') risks causing data races; this is an error in the Swift 6 language mode[0;0m
[0;36m70 |[0;0m guard #available(iOS 15, macOS 12, tvOS 15, watchOS 8, *) else {
[0;36m71 |[0;0m return try await withCheckedThrowingContinuation { continuation in
[0;36m72 |[0;0m send(request: request, completion: continuation.resume)
[0;36m|[0;0m |- [1;33mwarning: [1;39mconverting a value of type '(__shared sending Result<URLSession.Output, any Error>) -> ()' (aka '(__shared sending Result<(data: Data, response: URLResponse), any Error>) -> ()') to type '(Result<URLSession.Output, any Error>) -> Void' (aka '(Result<(data: Data, response: URLResponse), any Error>) -> ()') risks causing data races; this is an error in the Swift 6 language mode[0;0m
[0;36m|[0;0m `- [1;39mnote: [1;39mconverting a function typed value with a sending parameter to one without risks allowing actor-isolated values to escape their isolation domain as an argument to an invocation of value[0;0m
[0;36m73 |[0;0m }
[0;36m74 |[0;0m }
/Users/admin/builder/spi-builder-workspace/Sources/Buildkite/Networking/URL+Buildkite.swift:69:1: [1;33mwarning: [1;39mextension declares a conformance of imported type 'Date' to imported protocol 'LosslessStringConvertible'; this will not behave correctly if the owners of 'Foundation' introduce this conformance in the future[0;0m
[0;36m67 |[0;0m }
[0;36m68 |[0;0m
[0;36m69 |[0;0m extension Date: LosslessStringConvertible {
[0;36m|[0;0m |- [1;33mwarning: [1;39mextension declares a conformance of imported type 'Date' to imported protocol 'LosslessStringConvertible'; this will not behave correctly if the owners of 'Foundation' introduce this conformance in the future[0;0m
[0;36m|[0;0m `- [1;39mnote: [1;39madd '@retroactive' to silence this warning[0;0m
[0;36m70 |[0;0m public init?(
[0;36m71 |[0;0m _ description: String
/Users/admin/builder/spi-builder-workspace/Sources/Buildkite/Networking/URL+Buildkite.swift:80:1: [1;33mwarning: [1;39mextension declares a conformance of imported type 'UUID' to imported protocol 'LosslessStringConvertible'; this will not behave correctly if the owners of 'Foundation' introduce this conformance in the future[0;0m
[0;36m78 |[0;0m }
[0;36m79 |[0;0m
[0;36m80 |[0;0m extension UUID: LosslessStringConvertible {
[0;36m|[0;0m |- [1;33mwarning: [1;39mextension declares a conformance of imported type 'UUID' to imported protocol 'LosslessStringConvertible'; this will not behave correctly if the owners of 'Foundation' introduce this conformance in the future[0;0m
[0;36m|[0;0m `- [1;39mnote: [1;39madd '@retroactive' to silence this warning[0;0m
[0;36m81 |[0;0m public init?(
[0;36m82 |[0;0m _ description: String
Build complete.
{
"dependencies" : [
{
"identity" : "swift-docc-plugin",
"requirement" : {
"range" : [
{
"lower_bound" : "1.0.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-docc-plugin"
}
],
"manifest_display_name" : "Buildkite",
"name" : "Buildkite",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "13.0"
},
{
"name" : "macos",
"version" : "10.15"
},
{
"name" : "tvos",
"version" : "13.0"
},
{
"name" : "watchos",
"version" : "6.0"
}
],
"products" : [
{
"name" : "Buildkite",
"targets" : [
"Buildkite"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "BuildkiteTests",
"module_type" : "SwiftTarget",
"name" : "BuildkiteTests",
"path" : "Tests/BuildkiteTests",
"sources" : [
"BuildkiteClientTests.swift",
"Networking/JSONValueTests.swift",
"Networking/StatusCodeTests.swift",
"Networking/TransportTests.swift",
"Resources/Agent/AgentMetricsTests.swift",
"Resources/GraphQL/GraphQLTests.swift",
"Resources/REST/AccessTokensTests.swift",
"Resources/REST/AgentsTests.swift",
"Resources/REST/AnnotationsTests.swift",
"Resources/REST/ArtifactsTests.swift",
"Resources/REST/BuildsTests.swift",
"Resources/REST/EmojisTests.swift",
"Resources/REST/FollowableTests.swift",
"Resources/REST/JobsTests.swift",
"Resources/REST/MetasTests.swift",
"Resources/REST/OrganizationsTests.swift",
"Resources/REST/PipelinesTests.swift",
"Resources/REST/TeamsTests.swift",
"Resources/REST/UsersTests.swift",
"Resources/TestAnalytics/TestAnalyticsUploadTests.swift",
"Utilities/MockContext.swift",
"Utilities/MockData.swift",
"Utilities/MockTransport.swift",
"Utilities/URL+Buildkite.swift",
"Utilities/XCTestCase+Buildkite.swift"
],
"target_dependencies" : [
"Buildkite"
],
"type" : "test"
},
{
"c99name" : "Buildkite",
"module_type" : "SwiftTarget",
"name" : "Buildkite",
"path" : "Sources/Buildkite",
"product_memberships" : [
"Buildkite"
],
"sources" : [
"BuildkiteClient.swift",
"Models/AccessToken.swift",
"Models/Agent.swift",
"Models/AgentMetric.swift",
"Models/Annotation.swift",
"Models/Artifact.swift",
"Models/Build.swift",
"Models/Emoji.swift",
"Models/Job.swift",
"Models/Meta.swift",
"Models/Organization.swift",
"Models/Pipeline.swift",
"Models/Team.swift",
"Models/Trace.swift",
"Models/User.swift",
"Models/WebhookEvent.swift",
"Networking/APIVersion.swift",
"Networking/Configuration.swift",
"Networking/Formatters.swift",
"Networking/JSONValue.swift",
"Networking/Pagination.swift",
"Networking/Resource.swift",
"Networking/Response.swift",
"Networking/StatusCode.swift",
"Networking/TokenProvider.swift",
"Networking/Transport.swift",
"Networking/URL+Buildkite.swift",
"Resources/Agent/AgentMetrics.swift",
"Resources/GraphQL/GraphQL.swift",
"Resources/REST/AccessTokens.swift",
"Resources/REST/Agents.swift",
"Resources/REST/Annotations.swift",
"Resources/REST/Artifacts.swift",
"Resources/REST/Builds.swift",
"Resources/REST/Emojis.swift",
"Resources/REST/Followable.swift",
"Resources/REST/Jobs.swift",
"Resources/REST/Metas.swift",
"Resources/REST/Organizations.swift",
"Resources/REST/Pipelines.swift",
"Resources/REST/Teams.swift",
"Resources/REST/Users.swift",
"Resources/TestAnalytics/TestAnalyticsUpload.swift"
],
"type" : "library"
}
],
"tools_version" : "5.5"
}
Done.