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Build Information

Failed to build SwiftySensors, reference master (334b9a), with Swift 6.4 for macOS (SPM) on 16 Sep 2026 23:38:57 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
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Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
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Clone URL: https://github.com/codeinversion/sensors-swift.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/codeinversion/sensors-swift
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 334b9a4 Adding additional platforms to SPM Package file
Cloned https://github.com/codeinversion/sensors-swift.git
Revision (git rev-parse @):
334b9a4636501bc10daae26ecef23dd667fc3054
SUCCESS checkout https://github.com/codeinversion/sensors-swift.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/codeinversion/sensors-swift.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Pre-planning 1 / 96]
[Planning deferred tasks]
[25 / 42]
[31 / 48] Signals
[38 / 49] Signals
[38 / 57] SwiftySensors
[48 / 95]
[50 / 95]
[55 / 95]
[57 / 95] Signals
[59 / 95]
[63 / 95]
[65 / 95]
[68 / 95]
[71 / 95]
[73 / 95]
[74 / 95]
[86 / 95] SwiftySensors
Fetching https://github.com/artman/Signals
[1/1052] Fetching signals
Fetched https://github.com/artman/Signals (0.96s)
Computing version for https://github.com/artman/Signals
Computed https://github.com/artman/Signals at 6.1.0 (3.15s)
Creating working copy for https://github.com/artman/Signals
Working copy of https://github.com/artman/Signals resolved at 6.1.0
error: SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftySensors/Sensor.swift failed with a nonzero exit code. Command line:     cd /Users/admin/builder
    builtin-SwiftPerFileCompile Sensor.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftySensors/Sensor.swift:278:53: error: value of optional type 'CBService?' must be unwrapped to refer to member 'uuid' of wrapped base type 'CBService'
276 |     /// :nodoc:
277 |     public func peripheral(_ peripheral: CBPeripheral, didUpdateValueFor characteristic: CBCharacteristic, error: Error?) {
278 |         guard let service = services[characteristic.service.uuid.uuidString] else { return }
    |                                                     |- error: value of optional type 'CBService?' must be unwrapped to refer to member 'uuid' of wrapped base type 'CBService'
    |                                                     |- note: chain the optional using '?' to access member 'uuid' only for non-'nil' base values
    |                                                     `- note: force-unwrap using '!' to abort execution if the optional value contains 'nil'
279 |         guard let char = service.characteristics[characteristic.uuid.uuidString] else { return }
280 |         if char.cbCharacteristic !== characteristic {
/Users/admin/builder/spi-builder-workspace/Sources/SwiftySensors/Sensor.swift:289:53: error: value of optional type 'CBService?' must be unwrapped to refer to member 'uuid' of wrapped base type 'CBService'
287 |     /// :nodoc:
288 |     public func peripheral(_ peripheral: CBPeripheral, didWriteValueFor characteristic: CBCharacteristic, error: Error?) {
289 |         guard let service = services[characteristic.service.uuid.uuidString] else { return }
    |                                                     |- error: value of optional type 'CBService?' must be unwrapped to refer to member 'uuid' of wrapped base type 'CBService'
    |                                                     |- note: chain the optional using '?' to access member 'uuid' only for non-'nil' base values
    |                                                     `- note: force-unwrap using '!' to abort execution if the optional value contains 'nil'
290 |         guard let char = service.characteristics[characteristic.uuid.uuidString] else { return }
291 |         if char.cbCharacteristic !== characteristic {
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/SwiftySensors/Characteristic.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftySensors/CoreBluetooth.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftySensors/CyclingPowerSerializer.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftySensors/CyclingPowerService.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftySensors/CyclingSerializer.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftySensors/CyclingSpeedCadenceSerializer.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftySensors/CyclingSpeedCadenceService.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftySensors/DeviceInformationService.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftySensors/FitnessMachineSerializer.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftySensors/FitnessMachineService.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftySensors/HeartRateSerializer.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftySensors/HeartRateService.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftySensors/Operators.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftySensors/RSSINormalizer.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/SwiftySensors/Sensor.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftySensors/SensorManager.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftySensors/Service.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftySensors.build/Debug/SwiftySensors-t.build/Objects-normal/arm64/Sensor.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftySensors.build/Debug/SwiftySensors-t.build/Objects-normal/arm64/Sensor.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftySensors.build/Debug/SwiftySensors-t.build/Objects-normal/arm64/Sensor.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftySensors.build/Debug/SwiftySensors-t.build/Objects-normal/arm64/Sensor.dia -target arm64-apple-macos12.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftySensors.build/Debug/SwiftySensors-t.build/Objects-normal/arm64/SwiftySensors-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/PackageFrameworks -F /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftExplicitPrecompiledModules -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.build/out/SDKStatCaches.noindex/macosx27.0-26A425-80c5bbf1d171475443272936d42f90a36a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftySensors.build/Debug/SwiftySensors-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftySensors.build/Debug/SwiftySensors-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftySensors.build/Debug/SwiftySensors-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SwiftySensors -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftySensors.build/Debug/SwiftySensors-t.build/Objects-normal/arm64/SwiftySensors_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-macos27.0 -target-sdk-version 27.0 -target-sdk-name macosx27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftySensors.build/Debug/SwiftySensors-t.build/Objects-normal/arm64/Sensor.o -debug-module-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftySensors.build/Debug/SwiftySensors-t.build/Objects-normal/arm64/SwiftySensors.swiftmodule -index-unit-output-path /SwiftySensors.build/Debug/SwiftySensors-t.build/Objects-normal/arm64/Sensor.o -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 macosSpm