Build Information
Failed to build PulsarClient, reference main (f32d0d), with Swift 6.4 for macOS (SPM) on 23 Sep 2026 13:51:07 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/wendylabsinc/pulsar-client.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/wendylabsinc/pulsar-client
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at f32d0da Merge pull request #21 from edgeengineer/telemetry-metrics
Cloned https://github.com/wendylabsinc/pulsar-client.git
Revision (git rev-parse @):
f32d0da6192e9db30138c64065b958d11b7e7296
SUCCESS checkout https://github.com/wendylabsinc/pulsar-client.git at main
========================================
Build
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Selected platform: macosSpm
Swift version: 6.4
Building package at path: $PWD
https://github.com/wendylabsinc/pulsar-client.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
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warning: 'spi-builder-workspace': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
/Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Telemetry/README.md
/Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Abstractions/Schema.swift:180:30: [1;33mwarning: [1;39mcapture of non-Sendable type 'U.Type' in an isolated closure[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-metatypes\SendableMetatypes]8;;\]
[0;36m178 |[0;0m return Schema<U>(
[0;36m179 |[0;0m schemaInfo: SchemaInfo(name: String(describing: U.self), type: .json),
[0;36m180 |[0;0m encoder: { try encoder.encode($0) },
[0;36m|[0;0m `- [1;33mwarning: [1;39mcapture of non-Sendable type 'U.Type' in an isolated closure[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-metatypes\SendableMetatypes]8;;\]
[0;36m181 |[0;0m decoder: { try decoder.decode(U.self, from: $0) }
[0;36m182 |[0;0m )
/Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Abstractions/Schema.swift:181:30: [1;33mwarning: [1;39mcapture of non-Sendable type 'U.Type' in an isolated closure[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-metatypes\SendableMetatypes]8;;\]
[0;36m179 |[0;0m schemaInfo: SchemaInfo(name: String(describing: U.self), type: .json),
[0;36m180 |[0;0m encoder: { try encoder.encode($0) },
[0;36m181 |[0;0m decoder: { try decoder.decode(U.self, from: $0) }
[0;36m|[0;0m `- [1;33mwarning: [1;39mcapture of non-Sendable type 'U.Type' in an isolated closure[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-metatypes\SendableMetatypes]8;;\]
[0;36m182 |[0;0m )
[0;36m183 |[0;0m }
[#SendableMetatypes]: <https://docs.swift.org/compiler/documentation/diagnostics/sendable-metatypes>
error: SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Internal/ChannelManager+Handlers.swift failed with a nonzero exit code. Command line: cd /Users/admin/builder
builtin-SwiftPerFileCompile ChannelManager+Handlers.swift
/Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Internal/ChannelManager+Handlers.swift:134:22: [1;31merror: [1;39mstatic property 'messageStates' is not concurrency-safe because it is nonisolated global shared mutable state[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
[0;36m132 |[0;0m }
[0;36m133 |[0;0m
[0;36m134 |[0;0m private static var messageStates: [UInt64: MessageState] = [:]
[0;36m|[0;0m |- [1;31merror: [1;39mstatic property 'messageStates' is not concurrency-safe because it is nonisolated global shared mutable state[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
[0;36m|[0;0m |- [1;39mnote: [1;39mconvert 'messageStates' to a 'let' constant to make 'Sendable' shared state immutable[0;0m
[0;36m|[0;0m |- [1;39mnote: [1;39madd '@MainActor' to make static property 'messageStates' part of global actor 'MainActor'[0;0m
[0;36m|[0;0m `- [1;39mnote: [1;39mdisable concurrency-safety checks if accesses are protected by an external synchronization mechanism[0;0m
[0;36m135 |[0;0m
[0;36m136 |[0;0m /// Handle incoming message
/Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Internal/ChannelPipelineBuilder.swift:105:41: [1;33mwarning: [1;39mtype 'any ChannelHandler' does not conform to the 'Sendable' protocol[0;0m
[0;36m103 |[0;0m with handlers: [ChannelHandler]
[0;36m104 |[0;0m ) -> EventLoopFuture<Void> {
[0;36m105 |[0;0m return channel.pipeline.addHandlers(handlers, position: .last)
[0;36m|[0;0m `- [1;33mwarning: [1;39mtype 'any ChannelHandler' does not conform to the 'Sendable' protocol[0;0m
[0;36m106 |[0;0m }
[0;36m107 |[0;0m
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Abstractions/Authentication.swift /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Abstractions/BuilderProtocols.swift /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Abstractions/ConsumerProtocol.swift /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Abstractions/GetLastMessageIds.swift /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Abstractions/HandleException.swift /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Abstractions/MessageBuilder.swift /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Abstractions/MessageInterceptor.swift /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Abstractions/MessageProtocol.swift /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Abstractions/MessageRouter.swift /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Abstractions/ProducerProtocol.swift /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Abstractions/PulsarClientProtocol.swift /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Abstractions/ReaderProtocol.swift /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Abstractions/Receivable.swift /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Abstractions/Schema.swift /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Abstractions/Seekable.swift /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Abstractions/SendChannel.swift /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Abstractions/StateProtocol+Waiting.swift /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Abstractions/StateProtocol.swift /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Abstractions/Transaction.swift /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/AuthenticationFactory.swift /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Builders.swift /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Builders/ConsumerBuilder.swift /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Builders/ProducerBuilder.swift /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Builders/ReaderBuilder.swift /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/Common/Types.swift /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/ConsumerOptions.swift /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/ConsumerState.swift /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/CustomAuthentication.swift /Users/admin/builder/spi-builder-workspace/Sources/PulsarClient/DeadLetterPolicy.swift 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error: Build failed
BUILD FAILURE 6.4 macosSpm