SwiftySensorsTrainers – Build Information

Build Information

Failed to build SwiftySensorsTrainers, reference master (93db8d), with Swift 6.4 for macOS (SPM) on 16 Sep 2026 23:19:49 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/codeinversion/sensors-swift-trainers.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/codeinversion/sensors-swift-trainers
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 93db8dd Removing old functions on Kinetic Smart Control
Cloned https://github.com/codeinversion/sensors-swift-trainers.git
Revision (git rev-parse @):
93db8dd000e47233435a41ba061c23541ee18bb4
SUCCESS checkout https://github.com/codeinversion/sensors-swift-trainers.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/codeinversion/sensors-swift-trainers.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Constructing description]
[Planning deferred tasks]
[36 / 72]
[47 / 78] KineticSensors
[53 / 88]
[55 / 88]
[66 / 119]
[72 / 119]
[74 / 119]
[79 / 119]
[83 / 119]
[86 / 119]
[89 / 119]
[90 / 119] Signals
[100 / 120] KineticSensors
[101 / 120] Signals
[101 / 120] SwiftySensors
[111 / 166]
[116 / 166]
[119 / 166]
[122 / 166]
[126 / 166]
[128 / 166]
[131 / 166]
[134 / 166]
[136 / 166]
[137 / 166]
[149 / 166] SwiftySensors
Fetching https://github.com/kinetic-fit/sensors-swift
[1/1068] Fetching sensors-swift
Fetched https://github.com/kinetic-fit/sensors-swift (1.08s)
Fetching https://github.com/kinetic-fit/sensors-swift-kinetic
[1/26] Fetching sensors-swift-kinetic
Fetched https://github.com/kinetic-fit/sensors-swift-kinetic (0.79s)
Fetching https://github.com/artman/Signals
[1/1052] Fetching signals
Fetched https://github.com/artman/Signals (0.97s)
Computing version for https://github.com/artman/Signals
Computed https://github.com/artman/Signals at 6.1.0 (3.16s)
Creating working copy for https://github.com/artman/Signals
Working copy of https://github.com/artman/Signals resolved at 6.1.0
Creating working copy for https://github.com/kinetic-fit/sensors-swift
Working copy of https://github.com/kinetic-fit/sensors-swift resolved at master (334b9a4)
Creating working copy for https://github.com/kinetic-fit/sensors-swift-kinetic
Working copy of https://github.com/kinetic-fit/sensors-swift-kinetic resolved at master (9335f10)
error: SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/CoreBluetooth.swift failed with a nonzero exit code. Command line:     cd /Users/admin/builder
    builtin-SwiftPerFileCompile CoreBluetooth.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/CoreBluetooth.swift:20:9: [1;31merror: [1;39mvalue of optional type 'CBService?' must be unwrapped to refer to member 'peripheral' of wrapped base type 'CBService'[0;0m
[0;36m18 |[0;0m      */
[0;36m19 |[0;0m     public func notify(_ enabled: Bool) {
[0;36m20 |[0;0m         service.peripheral.setNotifyValue(enabled, for: self)
   [0;36m|[0;0m         |- [1;31merror: [1;39mvalue of optional type 'CBService?' must be unwrapped to refer to member 'peripheral' of wrapped base type 'CBService'[0;0m
   [0;36m|[0;0m         `- [1;39mnote: [1;39mchain the optional using '?' to access member 'peripheral' only for non-'nil' base values[0;0m
[0;36m21 |[0;0m     }
[0;36m22 |[0;0m
/Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/CoreBluetooth.swift:20:17: [1;31merror: [1;39mvalue of optional type 'CBPeripheral?' must be unwrapped to refer to member 'setNotifyValue' of wrapped base type 'CBPeripheral'[0;0m
[0;36m18 |[0;0m      */
[0;36m19 |[0;0m     public func notify(_ enabled: Bool) {
[0;36m20 |[0;0m         service.peripheral.setNotifyValue(enabled, for: self)
   [0;36m|[0;0m                 |- [1;31merror: [1;39mvalue of optional type 'CBPeripheral?' must be unwrapped to refer to member 'setNotifyValue' of wrapped base type 'CBPeripheral'[0;0m
   [0;36m|[0;0m                 |- [1;39mnote: [1;39mchain the optional using '?' to access member 'setNotifyValue' only for non-'nil' base values[0;0m
   [0;36m|[0;0m                 `- [1;39mnote: [1;39mforce-unwrap using '!' to abort execution if the optional value contains 'nil'[0;0m
[0;36m21 |[0;0m     }
[0;36m22 |[0;0m
/Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/CoreBluetooth.swift:25:9: [1;31merror: [1;39mvalue of optional type 'CBService?' must be unwrapped to refer to member 'peripheral' of wrapped base type 'CBService'[0;0m
[0;36m23 |[0;0m     /// Read the value of the Characteristic
[0;36m24 |[0;0m     public func read() {
[0;36m25 |[0;0m         service.peripheral.readValue(for: self)
   [0;36m|[0;0m         |- [1;31merror: [1;39mvalue of optional type 'CBService?' must be unwrapped to refer to member 'peripheral' of wrapped base type 'CBService'[0;0m
   [0;36m|[0;0m         `- [1;39mnote: [1;39mchain the optional using '?' to access member 'peripheral' only for non-'nil' base values[0;0m
[0;36m26 |[0;0m     }
[0;36m27 |[0;0m
/Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/CoreBluetooth.swift:25:17: [1;31merror: [1;39mvalue of optional type 'CBPeripheral?' must be unwrapped to refer to member 'readValue' of wrapped base type 'CBPeripheral'[0;0m
[0;36m23 |[0;0m     /// Read the value of the Characteristic
[0;36m24 |[0;0m     public func read() {
[0;36m25 |[0;0m         service.peripheral.readValue(for: self)
   [0;36m|[0;0m                 |- [1;31merror: [1;39mvalue of optional type 'CBPeripheral?' must be unwrapped to refer to member 'readValue' of wrapped base type 'CBPeripheral'[0;0m
   [0;36m|[0;0m                 |- [1;39mnote: [1;39mchain the optional using '?' to access member 'readValue' only for non-'nil' base values[0;0m
   [0;36m|[0;0m                 `- [1;39mnote: [1;39mforce-unwrap using '!' to abort execution if the optional value contains 'nil'[0;0m
[0;36m26 |[0;0m     }
[0;36m27 |[0;0m
/Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/CoreBluetooth.swift:37:12: [1;31merror: [1;39mvalue of optional type 'CBService?' must be unwrapped to refer to member 'peripheral' of wrapped base type 'CBService'[0;0m
[0;36m35 |[0;0m      */
[0;36m36 |[0;0m     @discardableResult public func write(_ data: Data, writeType: CBCharacteristicWriteType) -> Bool {
[0;36m37 |[0;0m         if service.peripheral.state == .connected {
   [0;36m|[0;0m            |- [1;31merror: [1;39mvalue of optional type 'CBService?' must be unwrapped to refer to member 'peripheral' of wrapped base type 'CBService'[0;0m
   [0;36m|[0;0m            `- [1;39mnote: [1;39mchain the optional using '?' to access member 'peripheral' only for non-'nil' base values[0;0m
[0;36m38 |[0;0m             service.peripheral.writeValue(data, for: self, type: writeType)
[0;36m39 |[0;0m             return true
/Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/CoreBluetooth.swift:37:20: [1;31merror: [1;39mvalue of optional type 'CBPeripheral?' must be unwrapped to refer to member 'state' of wrapped base type 'CBPeripheral'[0;0m
[0;36m35 |[0;0m      */
[0;36m36 |[0;0m     @discardableResult public func write(_ data: Data, writeType: CBCharacteristicWriteType) -> Bool {
[0;36m37 |[0;0m         if service.peripheral.state == .connected {
   [0;36m|[0;0m                    |- [1;31merror: [1;39mvalue of optional type 'CBPeripheral?' must be unwrapped to refer to member 'state' of wrapped base type 'CBPeripheral'[0;0m
   [0;36m|[0;0m                    |- [1;39mnote: [1;39mchain the optional using '?' to access member 'state' only for non-'nil' base values[0;0m
   [0;36m|[0;0m                    `- [1;39mnote: [1;39mforce-unwrap using '!' to abort execution if the optional value contains 'nil'[0;0m
[0;36m38 |[0;0m             service.peripheral.writeValue(data, for: self, type: writeType)
[0;36m39 |[0;0m             return true
/Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/CoreBluetooth.swift:38:13: [1;31merror: [1;39mvalue of optional type 'CBService?' must be unwrapped to refer to member 'peripheral' of wrapped base type 'CBService'[0;0m
[0;36m36 |[0;0m     @discardableResult public func write(_ data: Data, writeType: CBCharacteristicWriteType) -> Bool {
[0;36m37 |[0;0m         if service.peripheral.state == .connected {
[0;36m38 |[0;0m             service.peripheral.writeValue(data, for: self, type: writeType)
   [0;36m|[0;0m             |- [1;31merror: [1;39mvalue of optional type 'CBService?' must be unwrapped to refer to member 'peripheral' of wrapped base type 'CBService'[0;0m
   [0;36m|[0;0m             `- [1;39mnote: [1;39mchain the optional using '?' to access member 'peripheral' only for non-'nil' base values[0;0m
[0;36m39 |[0;0m             return true
[0;36m40 |[0;0m         }
/Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/CoreBluetooth.swift:38:21: [1;31merror: [1;39mvalue of optional type 'CBPeripheral?' must be unwrapped to refer to member 'writeValue' of wrapped base type 'CBPeripheral'[0;0m
[0;36m36 |[0;0m     @discardableResult public func write(_ data: Data, writeType: CBCharacteristicWriteType) -> Bool {
[0;36m37 |[0;0m         if service.peripheral.state == .connected {
[0;36m38 |[0;0m             service.peripheral.writeValue(data, for: self, type: writeType)
   [0;36m|[0;0m                     |- [1;31merror: [1;39mvalue of optional type 'CBPeripheral?' must be unwrapped to refer to member 'writeValue' of wrapped base type 'CBPeripheral'[0;0m
   [0;36m|[0;0m                     |- [1;39mnote: [1;39mchain the optional using '?' to access member 'writeValue' only for non-'nil' base values[0;0m
   [0;36m|[0;0m                     `- [1;39mnote: [1;39mforce-unwrap using '!' to abort execution if the optional value contains 'nil'[0;0m
[0;36m39 |[0;0m             return true
[0;36m40 |[0;0m         }
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c -primary-file /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/Characteristic.swift -primary-file /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/CoreBluetooth.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/CyclingPowerSerializer.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/CyclingPowerService.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/CyclingSerializer.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/CyclingSpeedCadenceSerializer.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/CyclingSpeedCadenceService.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/DeviceInformationService.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/FitnessMachineSerializer.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/FitnessMachineService.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/HeartRateSerializer.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/HeartRateService.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/Operators.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/RSSINormalizer.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/Sensor.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/SensorManager.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/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/Characteristic.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftySensors.build/Debug/SwiftySensors-t.build/Objects-normal/arm64/Characteristic.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftySensors.build/Debug/SwiftySensors-t.build/Objects-normal/arm64/Characteristic.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftySensors.build/Debug/SwiftySensors-t.build/Objects-normal/arm64/Characteristic.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftySensors.build/Debug/SwiftySensors-t.build/Objects-normal/arm64/CoreBluetooth.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftySensors.build/Debug/SwiftySensors-t.build/Objects-normal/arm64/CoreBluetooth.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftySensors.build/Debug/SwiftySensors-t.build/Objects-normal/arm64/CoreBluetooth.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftySensors.build/Debug/SwiftySensors-t.build/Objects-normal/arm64/CoreBluetooth.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 -suppress-warnings -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/Characteristic.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftySensors.build/Debug/SwiftySensors-t.build/Objects-normal/arm64/CoreBluetooth.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/Characteristic.o -index-unit-output-path /SwiftySensors.build/Debug/SwiftySensors-t.build/Objects-normal/arm64/CoreBluetooth.o -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out -index-system-modules
error: SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/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/.build/checkouts/sensors-swift/Sources/SwiftySensors/Sensor.swift:278:53: [1;31merror: [1;39mvalue of optional type 'CBService?' must be unwrapped to refer to member 'uuid' of wrapped base type 'CBService'[0;0m
[0;36m276 |[0;0m     /// :nodoc:
[0;36m277 |[0;0m     public func peripheral(_ peripheral: CBPeripheral, didUpdateValueFor characteristic: CBCharacteristic, error: Error?) {
[0;36m278 |[0;0m         guard let service = services[characteristic.service.uuid.uuidString] else { return }
    [0;36m|[0;0m                                                     |- [1;31merror: [1;39mvalue of optional type 'CBService?' must be unwrapped to refer to member 'uuid' of wrapped base type 'CBService'[0;0m
    [0;36m|[0;0m                                                     |- [1;39mnote: [1;39mchain the optional using '?' to access member 'uuid' only for non-'nil' base values[0;0m
    [0;36m|[0;0m                                                     `- [1;39mnote: [1;39mforce-unwrap using '!' to abort execution if the optional value contains 'nil'[0;0m
[0;36m279 |[0;0m         guard let char = service.characteristics[characteristic.uuid.uuidString] else { return }
[0;36m280 |[0;0m         if char.cbCharacteristic !== characteristic {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/Sensor.swift:289:53: [1;31merror: [1;39mvalue of optional type 'CBService?' must be unwrapped to refer to member 'uuid' of wrapped base type 'CBService'[0;0m
[0;36m287 |[0;0m     /// :nodoc:
[0;36m288 |[0;0m     public func peripheral(_ peripheral: CBPeripheral, didWriteValueFor characteristic: CBCharacteristic, error: Error?) {
[0;36m289 |[0;0m         guard let service = services[characteristic.service.uuid.uuidString] else { return }
    [0;36m|[0;0m                                                     |- [1;31merror: [1;39mvalue of optional type 'CBService?' must be unwrapped to refer to member 'uuid' of wrapped base type 'CBService'[0;0m
    [0;36m|[0;0m                                                     |- [1;39mnote: [1;39mchain the optional using '?' to access member 'uuid' only for non-'nil' base values[0;0m
    [0;36m|[0;0m                                                     `- [1;39mnote: [1;39mforce-unwrap using '!' to abort execution if the optional value contains 'nil'[0;0m
[0;36m290 |[0;0m         guard let char = service.characteristics[characteristic.uuid.uuidString] else { return }
[0;36m291 |[0;0m         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/.build/checkouts/sensors-swift/Sources/SwiftySensors/Characteristic.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/CoreBluetooth.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/CyclingPowerSerializer.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/CyclingPowerService.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/CyclingSerializer.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/CyclingSpeedCadenceSerializer.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/CyclingSpeedCadenceService.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/DeviceInformationService.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/FitnessMachineSerializer.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/FitnessMachineService.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/HeartRateSerializer.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/HeartRateService.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/Operators.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/RSSINormalizer.swift -primary-file /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/Sensor.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/Sources/SwiftySensors/SensorManager.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/sensors-swift/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 -suppress-warnings -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