Swift Package IndexBuild Information
Failed to build Bleu, reference 2.1.0 (6b8d0c), with Swift 6.3 for macOS (SPM) on 17 Apr 2026 16:08:57 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/1amageek/Bleu.git
Reference: 2.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/1amageek/Bleu
* tag 2.1.0 -> FETCH_HEAD
HEAD is now at 6b8d0c4 Fix race condition in EmulatedBLEPeripheralManager.startAdvertising
Cloned https://github.com/1amageek/Bleu.git
Revision (git rev-parse @):
6b8d0c46ba2c25072390236a755f4bec0608d9c4
SUCCESS checkout https://github.com/1amageek/Bleu.git at 2.1.0
Fetching https://github.com/1amageek/swift-actor-runtime
[1/170] Fetching swift-actor-runtime
Fetched https://github.com/1amageek/swift-actor-runtime from cache (0.73s)
Fetching https://github.com/1amageek/CoreBluetoothEmulator
[1/94] Fetching corebluetoothemulator
Fetched https://github.com/1amageek/CoreBluetoothEmulator from cache (0.74s)
Fetching https://github.com/apple/swift-log.git
[1/6635] Fetching swift-log
Fetched https://github.com/apple/swift-log.git from cache (1.09s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.12.0 (1.67s)
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.12.0
Creating working copy for https://github.com/1amageek/swift-actor-runtime
Working copy of https://github.com/1amageek/swift-actor-runtime resolved at main (8d6a2af)
Creating working copy for https://github.com/1amageek/CoreBluetoothEmulator
Working copy of https://github.com/1amageek/CoreBluetoothEmulator resolved at main (579963e)
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ResolveProductDependencies
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Resolving dependencies ...
{
"identity": ".resolve-product-dependencies",
"name": "resolve-dependencies",
"url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"traits": [
"default"
],
"dependencies": [
{
"identity": "bleu",
"name": "Bleu",
"url": "https://github.com/1amageek/Bleu.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Bleu",
"traits": [
"default"
],
"dependencies": [
{
"identity": "swift-actor-runtime",
"name": "swift-actor-runtime",
"url": "https://github.com/1amageek/swift-actor-runtime",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-actor-runtime",
"traits": [
"default"
],
"dependencies": [
]
},
{
"identity": "swift-log",
"name": "swift-log",
"url": "https://github.com/apple/swift-log.git",
"version": "1.12.0",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-log",
"traits": [
],
"dependencies": [
]
}
]
}
]
}
Fetching https://github.com/1amageek/Bleu.git
[1/955] Fetching bleu
Fetched https://github.com/1amageek/Bleu.git from cache (0.94s)
Fetching https://github.com/1amageek/swift-actor-runtime from cache
Fetched https://github.com/1amageek/swift-actor-runtime from cache (0.46s)
Fetching https://github.com/apple/swift-log.git from cache
Fetched https://github.com/apple/swift-log.git from cache (0.56s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.12.0 (0.64s)
Creating working copy for https://github.com/1amageek/swift-actor-runtime
Working copy of https://github.com/1amageek/swift-actor-runtime resolved at main (8d6a2af)
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.12.0
Creating working copy for https://github.com/1amageek/Bleu.git
Working copy of https://github.com/1amageek/Bleu.git resolved at 2.1.0 (6b8d0c4)
warning: '.resolve-product-dependencies': dependency 'bleu' is not used by any target
Found 2 product dependencies
- swift-actor-runtime
- swift-log
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Build
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Selected platform: macosSpm
Swift version: 6.3
Building package at path: $PWD
https://github.com/1amageek/Bleu.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/4] Write sources
[3/4] Write swift-version--6988338F2F200930.txt
[5/18] Emitting module Logging
[6/18] Compiling Logging MetadataProvider.swift
[7/18] Compiling Logging Logging.swift
[8/18] Compiling Logging LogEvent.swift
[9/18] Compiling Logging Locks.swift
[10/18] Compiling Logging LogHandler.swift
[11/18] Compiling ActorRuntime TransportProtocol.swift
[12/18] Compiling ActorRuntime RuntimeError.swift
[13/18] Compiling ActorRuntime ActorRegistry.swift
[14/18] Compiling ActorRuntime CodableResultHandler.swift
[15/18] Compiling ActorRuntime CodableInvocationEncoder.swift
[16/18] Emitting module ActorRuntime
[17/18] Compiling ActorRuntime CodableInvocationDecoder.swift
[18/18] Compiling ActorRuntime Envelope.swift
[19/35] Compiling Bleu CoreBluetoothPeripheralManager.swift
[20/35] Compiling Bleu CentralManagerDelegateProxy.swift
[21/36] Compiling Bleu UUID+Extensions.swift
/Users/admin/builder/spi-builder-workspace/Sources/Bleu/Implementations/CoreBluetoothCentralManager.swift:515:31: error: sending 'services' risks causing data races [#SendingRisksDataRace]
513 | // We pass the services directly since we marked the delegate as @unchecked Sendable
514 | // This is safe because we're only reading the services data
515 | await self.actor?.handleServiceDiscovery(for: peripheralID, services: services, error: error)
| |- error: sending 'services' risks causing data races [#SendingRisksDataRace]
| `- note: sending task-isolated 'services' to actor-isolated instance method 'handleServiceDiscovery(for:services:error:)' risks causing data races between actor-isolated and task-isolated uses
516 | }
517 | }
[#SendingRisksDataRace]: <https://docs.swift.org/compiler/documentation/diagnostics/sending-risks-data-race>
[22/36] Compiling Bleu CoreBluetoothCentralManager.swift
/Users/admin/builder/spi-builder-workspace/Sources/Bleu/Implementations/CoreBluetoothCentralManager.swift:515:31: error: sending 'services' risks causing data races [#SendingRisksDataRace]
513 | // We pass the services directly since we marked the delegate as @unchecked Sendable
514 | // This is safe because we're only reading the services data
515 | await self.actor?.handleServiceDiscovery(for: peripheralID, services: services, error: error)
| |- error: sending 'services' risks causing data races [#SendingRisksDataRace]
| `- note: sending task-isolated 'services' to actor-isolated instance method 'handleServiceDiscovery(for:services:error:)' risks causing data races between actor-isolated and task-isolated uses
516 | }
517 | }
[#SendingRisksDataRace]: <https://docs.swift.org/compiler/documentation/diagnostics/sending-risks-data-race>
[23/36] Compiling Bleu BLETransport.swift
[24/36] Compiling Bleu LocalCentralActor.swift
/Users/admin/builder/spi-builder-workspace/Sources/Bleu/LocalActors/LocalCentralActor.swift:483:31: error: sending 'services' risks causing data races [#SendingRisksDataRace]
481 | // We pass the services directly since we marked the delegate as @unchecked Sendable
482 | // This is safe because we're only reading the services data
483 | await self.actor?.handleServiceDiscovery(for: peripheralID, services: services, error: error)
| |- error: sending 'services' risks causing data races [#SendingRisksDataRace]
| `- note: sending task-isolated 'services' to actor-isolated instance method 'handleServiceDiscovery(for:services:error:)' risks causing data races between actor-isolated and task-isolated uses
484 | }
485 | }
[#SendingRisksDataRace]: <https://docs.swift.org/compiler/documentation/diagnostics/sending-risks-data-race>
[25/36] Compiling Bleu LocalPeripheralActor.swift
/Users/admin/builder/spi-builder-workspace/Sources/Bleu/LocalActors/LocalCentralActor.swift:483:31: error: sending 'services' risks causing data races [#SendingRisksDataRace]
481 | // We pass the services directly since we marked the delegate as @unchecked Sendable
482 | // This is safe because we're only reading the services data
483 | await self.actor?.handleServiceDiscovery(for: peripheralID, services: services, error: error)
| |- error: sending 'services' risks causing data races [#SendingRisksDataRace]
| `- note: sending task-isolated 'services' to actor-isolated instance method 'handleServiceDiscovery(for:services:error:)' risks causing data races between actor-isolated and task-isolated uses
484 | }
485 | }
[#SendingRisksDataRace]: <https://docs.swift.org/compiler/documentation/diagnostics/sending-risks-data-race>
[26/36] Compiling Bleu PeripheralManagerDelegateProxy.swift
[27/36] Compiling Bleu ServiceMapper.swift
[28/36] Compiling Bleu BLEManagerProtocols.swift
[29/36] Compiling Bleu BleuTypes.swift
[30/36] Compiling Bleu AsyncChannel.swift
[31/36] Compiling Bleu BleuConfiguration.swift
[32/36] Compiling Bleu BleuError.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[33/36] Emitting module Bleu
/Users/admin/builder/spi-builder-workspace/Sources/Bleu/Implementations/CoreBluetoothCentralManager.swift:515:31: error: sending 'services' risks causing data races [#SendingRisksDataRace]
513 | // We pass the services directly since we marked the delegate as @unchecked Sendable
514 | // This is safe because we're only reading the services data
515 | await self.actor?.handleServiceDiscovery(for: peripheralID, services: services, error: error)
| |- error: sending 'services' risks causing data races [#SendingRisksDataRace]
| `- note: sending task-isolated 'services' to actor-isolated instance method 'handleServiceDiscovery(for:services:error:)' risks causing data races between actor-isolated and task-isolated uses
516 | }
517 | }
/Users/admin/builder/spi-builder-workspace/Sources/Bleu/LocalActors/LocalCentralActor.swift:483:31: error: sending 'services' risks causing data races [#SendingRisksDataRace]
481 | // We pass the services directly since we marked the delegate as @unchecked Sendable
482 | // This is safe because we're only reading the services data
483 | await self.actor?.handleServiceDiscovery(for: peripheralID, services: services, error: error)
| |- error: sending 'services' risks causing data races [#SendingRisksDataRace]
| `- note: sending task-isolated 'services' to actor-isolated instance method 'handleServiceDiscovery(for:services:error:)' risks causing data races between actor-isolated and task-isolated uses
484 | }
485 | }
[#SendingRisksDataRace]: <https://docs.swift.org/compiler/documentation/diagnostics/sending-risks-data-race>
[34/36] Compiling Bleu PeripheralActor.swift
[35/36] Compiling Bleu BLEActorSystem.swift
[36/36] Compiling Bleu BleuLogger.swift
BUILD FAILURE 6.3 macosSpm