Swift Package Index

Build Information

Failed to build SpeziSensorKit, reference 0.6.3 (8addfd), with Swift 6.1 for Android on 6 Apr 2026 22:53:26 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.69.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/StanfordSpezi/SpeziSensorKit.git
Reference: 0.6.3
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/StanfordSpezi/SpeziSensorKit
 * tag               0.6.3      -> FETCH_HEAD
HEAD is now at 8addfd5 try to fix deadlock (#17)
Cloned https://github.com/StanfordSpezi/SpeziSensorKit.git
Revision (git rev-parse @):
8addfd5f8ca54d85409ad9c70391859d44df227b
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/StanfordSpezi/SpeziSensorKit.git at 0.6.3
========================================
Build
========================================
Selected platform:         android
Swift version:             6.1
Building package at path:  $PWD
https://github.com/StanfordSpezi/SpeziSensorKit.git
https://github.com/StanfordSpezi/SpeziSensorKit.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "spezi",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.8.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/StanfordSpezi/Spezi.git"
    },
    {
      "identity" : "spezifoundation",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.2.1",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/StanfordSpezi/SpeziFoundation.git"
    },
    {
      "identity" : "spezistorage",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.1.3",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/StanfordSpezi/SpeziStorage.git"
    }
  ],
  "manifest_display_name" : "SpeziSensorKit",
  "name" : "SpeziSensorKit",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "17.0"
    }
  ],
  "products" : [
    {
      "name" : "SpeziSensorKit",
      "targets" : [
        "SpeziSensorKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SpeziSensorKitTests",
      "module_type" : "SwiftTarget",
      "name" : "SpeziSensorKitTests",
      "path" : "Tests/SpeziSensorKitTests",
      "sources" : [
        "SensorKitTests.swift"
      ],
      "target_dependencies" : [
        "SpeziSensorKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SpeziSensorKit",
      "module_type" : "SwiftTarget",
      "name" : "SpeziSensorKit",
      "path" : "Sources/SpeziSensorKit",
      "product_dependencies" : [
        "Spezi",
        "SpeziFoundation",
        "SpeziLocalStorage"
      ],
      "product_memberships" : [
        "SpeziSensorKit"
      ],
      "sources" : [
        "QueryAnchor.swift",
        "Sample Types/Acceleration.swift",
        "Sample Types/AmbientLight.swift",
        "Sample Types/AmbientPressure.swift",
        "Sample Types/DeviceUsage.swift",
        "Sample Types/ECG.swift",
        "Sample Types/HeartRate.swift",
        "Sample Types/OnWrist.swift",
        "Sample Types/Other+Unsafe.swift",
        "Sample Types/Other.swift",
        "Sample Types/Pedometer.swift",
        "Sample Types/RotationRate.swift",
        "Sample Types/Visit.swift",
        "Sensor Reader/AnchoredFetcher+NumSamplesFetching.swift",
        "Sensor Reader/AnchoredFetcher+TimeIntervalFetching.swift",
        "Sensor Reader/AnchoredFetcher.swift",
        "Sensor Reader/FetchResult.swift",
        "Sensor Reader/FetchResultsIterator.swift",
        "Sensor/AnySensor+Operations.swift",
        "Sensor/AnySensor.swift",
        "Sensor/Sensor+WellKnown.swift",
        "Sensor/Sensor.swift",
        "Sensor/SensorSample.swift",
        "SensorKit+Availability.swift",
        "SensorKit+LocalStorage.swift",
        "SensorKit.swift",
        "Utils/AsyncSequence.swift",
        "Utils/SensorKitUtils.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats 2>&1
android-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:8d42880410d691f231f1a6445d3941a4c9d6c7af65062a9750a54d2059944963
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:android-6.1-latest
Fetching https://github.com/StanfordSpezi/SpeziFoundation.git
Fetching https://github.com/StanfordSpezi/SpeziStorage.git
Fetching https://github.com/StanfordSpezi/Spezi.git
[1/1715] Fetching spezistorage
[1271/4669] Fetching spezistorage, spezifoundation
[3430/15002] Fetching spezistorage, spezifoundation, spezi
Fetched https://github.com/StanfordSpezi/SpeziStorage.git from cache (0.57s)
Fetched https://github.com/StanfordSpezi/SpeziFoundation.git from cache (0.57s)
Fetched https://github.com/StanfordSpezi/Spezi.git from cache (0.57s)
Computing version for https://github.com/StanfordSpezi/SpeziStorage.git
Computed https://github.com/StanfordSpezi/SpeziStorage.git at 2.1.4 (1.63s)
Fetching https://github.com/StanfordBDHG/XCTRuntimeAssertions.git
[1/735] Fetching xctruntimeassertions
Fetched https://github.com/StanfordBDHG/XCTRuntimeAssertions.git from cache (0.33s)
Computing version for https://github.com/StanfordBDHG/XCTRuntimeAssertions.git
Computed https://github.com/StanfordBDHG/XCTRuntimeAssertions.git at 2.2.0 (1.51s)
Computing version for https://github.com/StanfordSpezi/Spezi.git
Computed https://github.com/StanfordSpezi/Spezi.git at 1.10.1 (1.27s)
Fetching https://github.com/apple/swift-collections.git
[1/23426] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git from cache (2.13s)
Computing version for https://github.com/StanfordSpezi/SpeziFoundation.git
Computed https://github.com/StanfordSpezi/SpeziFoundation.git at 2.7.4 (3.59s)
Fetching https://github.com/StanfordBDHG/ThreadLocal.git
Fetching https://github.com/StanfordBDHG/zstd.git
Fetching https://github.com/apple/swift-atomics.git
Fetching https://github.com/apple/swift-log
[1/171] Fetching threadlocal
[172/1991] Fetching threadlocal, swift-atomics
[173/65148] Fetching threadlocal, swift-atomics, zstd
Fetching https://github.com/apple/swift-algorithms.git
[1405/71497] Fetching threadlocal, swift-atomics, zstd, swift-log
[15289/77555] Fetching threadlocal, swift-atomics, zstd, swift-log, swift-algorithms
Fetched https://github.com/apple/swift-log from cache (1.05s)
[19176/71206] Fetching threadlocal, swift-atomics, zstd, swift-algorithms
Fetched https://github.com/apple/swift-algorithms.git from cache (0.87s)
[15886/65148] Fetching threadlocal, swift-atomics, zstd
Fetched https://github.com/StanfordBDHG/ThreadLocal.git from cache (6.94s)
Fetched https://github.com/apple/swift-atomics.git from cache (6.94s)
Fetched https://github.com/StanfordBDHG/zstd.git from cache (7.01s)
Computing version for https://github.com/apple/swift-algorithms.git
Computed https://github.com/apple/swift-algorithms.git at 1.2.1 (10.84s)
Fetching https://github.com/apple/swift-numerics.git
[1/6416] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics.git from cache (0.72s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.0 (1.67s)
Computing version for https://github.com/StanfordBDHG/ThreadLocal.git
Computed https://github.com/StanfordSpezi/SpeziStorage.git at 2.1.4 (0.00s)
Computed https://github.com/StanfordBDHG/XCTRuntimeAssertions.git at 2.2.0 (0.00s)
Computed https://github.com/StanfordSpezi/Spezi.git at 1.10.1 (0.00s)
Computed https://github.com/StanfordSpezi/SpeziFoundation.git at 2.6.0 (1.44s)
Computed https://github.com/apple/swift-algorithms.git at 1.2.1 (0.00s)
Computed https://github.com/apple/swift-atomics.git at 1.3.0 (0.00s)
Computing version for https://github.com/apple/swift-numerics.git
Computed https://github.com/apple/swift-numerics.git at 1.1.1 (0.95s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.4.1 (1.45s)
Computing version for https://github.com/apple/swift-log
Computed https://github.com/apple/swift-log at 1.11.0 (1.07s)
Creating working copy for https://github.com/apple/swift-log
Working copy of https://github.com/apple/swift-log resolved at 1.11.0
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.0
Creating working copy for https://github.com/StanfordSpezi/SpeziStorage.git
Working copy of https://github.com/StanfordSpezi/SpeziStorage.git resolved at 2.1.4
Creating working copy for https://github.com/StanfordBDHG/XCTRuntimeAssertions.git
Working copy of https://github.com/StanfordBDHG/XCTRuntimeAssertions.git resolved at 2.2.0
Creating working copy for https://github.com/StanfordSpezi/SpeziFoundation.git
Working copy of https://github.com/StanfordSpezi/SpeziFoundation.git resolved at 2.6.0
Creating working copy for https://github.com/apple/swift-algorithms.git
Working copy of https://github.com/apple/swift-algorithms.git resolved at 1.2.1
Creating working copy for https://github.com/apple/swift-numerics.git
Working copy of https://github.com/apple/swift-numerics.git resolved at 1.1.1
Creating working copy for https://github.com/StanfordSpezi/Spezi.git
Working copy of https://github.com/StanfordSpezi/Spezi.git resolved at 1.10.1
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.4.1
Building for debugging...
[0/19] Write sources
[0/19] Copying Localizable.xcstrings.license
[0/19] Copying Localizable.xcstrings
[0/19] Copying Info.plist
[0/19] Write sources
[15/19] Compiling _NumericsShims _NumericsShims.c
[16/19] Compiling SpeziFoundationObjC ObjCExceptionHandling.m
[17/19] Compiling _AtomicsShims.c
[18/19] Write swift-version-24593BA9C3E375BF.txt
[20/80] Emitting module InternalCollectionsUtilities
[21/82] Emitting module RealModule
[22/83] Compiling RealModule ElementaryFunctions.swift
[23/83] Compiling RealModule Float+Real.swift
[24/83] Compiling RealModule AugmentedArithmetic.swift
[25/83] Compiling RealModule Double+Real.swift
[26/83] Compiling InternalCollectionsUtilities _SortedCollection.swift
[27/83] Compiling InternalCollectionsUtilities _UniqueCollection.swift
[28/83] Compiling RealModule RealFunctions.swift
[29/83] Emitting module Atomics
[33/83] Compiling Atomics AtomicStorage.swift
[34/83] Compiling Atomics AtomicValue.swift
[35/85] Compiling Atomics AtomicMemoryOrderings.swift
[36/85] Compiling Atomics DoubleWord.swift
[37/85] Compiling RealModule Real.swift
[38/85] Compiling Atomics ManagedAtomic.swift
[39/85] Compiling Atomics ManagedAtomicLazyReference.swift
[40/85] Compiling Atomics UnsafeAtomic.swift
[41/85] Compiling Atomics UnsafeAtomicLazyReference.swift
[44/85] Compiling RealModule AlgebraicField.swift
[45/85] Compiling RealModule ApproximateEquality.swift
[47/85] Compiling RealModule Float16+Real.swift
[50/85] Compiling RealModule Float80+Real.swift
[63/85] Compiling Atomics AtomicInteger.swift
[64/85] Compiling Atomics AtomicOptionalWrappable.swift
[65/85] Compiling Atomics AtomicReference.swift
[69/86] Compiling RealModule RelaxedArithmetic.swift
[72/87] Compiling Atomics IntegerOperations.swift
[73/87] Compiling Atomics Unmanaged extensions.swift
[75/168] Compiling OrderedCollections OrderedSet+Partial SetAlgebra subtract.swift
[76/168] Compiling OrderedCollections OrderedSet+Partial SetAlgebra subtracting.swift
[77/168] Compiling OrderedCollections OrderedSet+Partial SetAlgebra symmetricDifference.swift
[78/168] Compiling OrderedCollections OrderedSet+Partial SetAlgebra union.swift
[79/168] Compiling OrderedCollections OrderedSet+Partial SetAlgebra+Basics.swift
[80/168] Compiling OrderedCollections OrderedSet+RandomAccessCollection.swift
[81/168] Compiling OrderedCollections OrderedSet+ReserveCapacity.swift
[82/175] Compiling OrderedCollections OrderedSet+Equatable.swift
[83/175] Compiling OrderedCollections OrderedSet+ExpressibleByArrayLiteral.swift
[84/175] Compiling OrderedCollections OrderedSet+Hashable.swift
[85/178] Compiling OrderedCollections OrderedSet+Partial SetAlgebra intersection.swift
[86/178] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isDisjoint.swift
[87/178] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isEqualSet.swift
[88/178] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isStrictSubset.swift
[89/178] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isStrictSuperset.swift
[90/178] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isSubset.swift
[91/178] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isSuperset.swift
[92/178] Compiling Algorithms Trim.swift
[93/178] Compiling Algorithms Unique.swift
[94/178] Compiling Algorithms Windows.swift
[95/178] Compiling OrderedCollections OrderedDictionary+Hashable.swift
[96/178] Compiling OrderedCollections OrderedDictionary+Initializers.swift
[97/178] Compiling OrderedCollections OrderedDictionary+Invariants.swift
[98/178] Compiling OrderedCollections OrderedDictionary+Partial MutableCollection.swift
[99/178] Compiling OrderedCollections OrderedDictionary+Partial RangeReplaceableCollection.swift
[100/178] Compiling OrderedCollections OrderedDictionary+Sendable.swift
[101/178] Compiling OrderedCollections OrderedDictionary+Sequence.swift
[102/178] Compiling OrderedCollections OrderedDictionary+Values.swift
[103/178] Compiling OrderedCollections OrderedDictionary.swift
[104/178] Compiling OrderedCollections OrderedSet+Codable.swift
[105/178] Compiling OrderedCollections OrderedSet+CustomReflectable.swift
[106/178] Compiling OrderedCollections OrderedSet+Descriptions.swift
[107/178] Compiling OrderedCollections OrderedSet+Diffing.swift
[114/178] Compiling OrderedCollections OrderedDictionary+Descriptions.swift
[115/178] Compiling OrderedCollections OrderedDictionary+Elements.SubSequence.swift
[116/178] Compiling OrderedCollections OrderedDictionary+Elements.swift
[117/178] Compiling OrderedCollections OrderedDictionary+Equatable.swift
[118/178] Compiling OrderedCollections OrderedDictionary+ExpressibleByDictionaryLiteral.swift
[119/178] Compiling OrderedCollections OrderedSet+Initializers.swift
[120/178] Compiling OrderedCollections OrderedSet+Insertions.swift
[121/178] Compiling OrderedCollections OrderedSet+Invariants.swift
[122/178] Compiling OrderedCollections OrderedSet+Partial MutableCollection.swift
[123/178] Compiling OrderedCollections OrderedSet+Partial RangeReplaceableCollection.swift
[124/178] Compiling OrderedCollections OrderedSet+Partial SetAlgebra formIntersection.swift
[125/178] Compiling OrderedCollections OrderedSet+Partial SetAlgebra formSymmetricDifference.swift
[126/178] Compiling OrderedCollections OrderedSet+Partial SetAlgebra formUnion.swift
[130/178] Compiling OrderedCollections _HashTable+Testing.swift
[131/178] Compiling OrderedCollections _HashTable+UnsafeHandle.swift
[132/178] Compiling OrderedCollections _HashTable.swift
[133/178] Compiling OrderedCollections _Hashtable+Header.swift
[144/178] Compiling Logging MetadataProvider.swift
[145/178] Emitting module Logging
[146/178] Compiling Logging LogHandler.swift
[147/178] Compiling Logging Locks.swift
[148/178] Compiling Logging Logging.swift
[149/178] Compiling Logging LogEvent.swift
[150/179] Compiling OrderedCollections OrderedSet+Sendable.swift
[151/179] Compiling OrderedCollections OrderedSet+SubSequence.swift
[152/179] Compiling OrderedCollections OrderedSet+Testing.swift
[153/179] Compiling OrderedCollections OrderedSet+UnorderedView.swift
[154/179] Compiling OrderedCollections OrderedSet+UnstableInternals.swift
[155/179] Compiling OrderedCollections OrderedSet.swift
[156/179] Compiling OrderedCollections _UnsafeBitset.swift
[157/179] Compiling OrderedCollections _HashTable+Bucket.swift
[158/179] Compiling OrderedCollections _HashTable+BucketIterator.swift
[159/179] Compiling OrderedCollections _HashTable+Constants.swift
[160/179] Compiling OrderedCollections _HashTable+CustomStringConvertible.swift
[166/179] Compiling RuntimeAssertions Assert.swift
[167/179] Emitting module RuntimeAssertions
[168/179] Compiling RuntimeAssertions Counter.swift
[169/179] Compiling RuntimeAssertions RuntimeAssertion.swift
[170/179] Compiling RuntimeAssertions RuntimeAssertionInjection.swift
[171/180] Emitting module OrderedCollections
[172/181] Compiling RuntimeAssertions NeverReturn.swift
[173/181] Compiling RuntimeAssertions DebugOnly.swift
[174/181] Compiling RuntimeAssertions Precondition.swift
[180/181] Compiling RuntimeAssertions RuntimePrecondition.swift
/host/spi-builder-workspace/.build/checkouts/XCTRuntimeAssertions/Sources/RuntimeAssertions/RuntimePrecondition.swift:41:5: error: cannot find 'usleep' in scope
39 |     // `wait(for: [expectation], timeout: timeout)`
40 |     // here as we need to make the method independent of XCTestCase to also use it in our TestApp UITest target which fails if you import XCTest.
41 |     usleep(useconds_t(1_000_000 * timeout))
   |     `- error: cannot find 'usleep' in scope
42 |     expressionWorkItem.cancel()
43 | }
/host/spi-builder-workspace/.build/checkouts/XCTRuntimeAssertions/Sources/RuntimeAssertions/RuntimePrecondition.swift:67:5: error: cannot find 'usleep' in scope
65 |     // `wait(for: [expectation], timeout: timeout)`
66 |     // here as we need to make the method independent of XCTestCase to also use it in our TestApp UITest target which fails if you import XCTest.
67 |     usleep(useconds_t(1_000_000 * timeout))
   |     `- error: cannot find 'usleep' in scope
68 |     task.cancel()
69 | }
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1
android-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:8d42880410d691f231f1a6445d3941a4c9d6c7af65062a9750a54d2059944963
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:android-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/62] Compiling RealModule Float80+Real.swift
[3/63] Compiling RealModule RealFunctions.swift
[4/63] Compiling RuntimeAssertions NeverReturn.swift
[5/63] Compiling RuntimeAssertions Precondition.swift
[6/64] Compiling Atomics UnsafeAtomic.swift
[7/64] Compiling Atomics UnsafeAtomicLazyReference.swift
[8/66] Compiling Atomics AtomicInteger.swift
[9/66] Compiling Atomics AtomicOptionalWrappable.swift
[10/66] Compiling Logging MetadataProvider.swift
[11/66] Compiling RuntimeAssertions Assert.swift
[12/66] Emitting module RuntimeAssertions
[13/66] Compiling RuntimeAssertions Counter.swift
[14/66] Compiling RealModule RelaxedArithmetic.swift
[15/66] Compiling RealModule Real.swift
[18/66] Compiling Atomics ManagedAtomic.swift
[19/66] Compiling Atomics ManagedAtomicLazyReference.swift
[20/66] Compiling RuntimeAssertions DebugOnly.swift
[21/68] Compiling RuntimeAssertions RuntimeAssertion.swift
[22/68] Compiling RuntimeAssertions RuntimeAssertionInjection.swift
[23/68] Compiling Atomics AtomicStorage.swift
[24/68] Compiling Atomics AtomicValue.swift
[25/68] Compiling Atomics AtomicMemoryOrderings.swift
[26/68] Compiling Atomics DoubleWord.swift
[27/68] Compiling RuntimeAssertions RuntimePrecondition.swift
/host/spi-builder-workspace/.build/checkouts/XCTRuntimeAssertions/Sources/RuntimeAssertions/RuntimePrecondition.swift:41:5: error: cannot find 'usleep' in scope
39 |     // `wait(for: [expectation], timeout: timeout)`
40 |     // here as we need to make the method independent of XCTestCase to also use it in our TestApp UITest target which fails if you import XCTest.
41 |     usleep(useconds_t(1_000_000 * timeout))
   |     `- error: cannot find 'usleep' in scope
42 |     expressionWorkItem.cancel()
43 | }
/host/spi-builder-workspace/.build/checkouts/XCTRuntimeAssertions/Sources/RuntimeAssertions/RuntimePrecondition.swift:67:5: error: cannot find 'usleep' in scope
65 |     // `wait(for: [expectation], timeout: timeout)`
66 |     // here as we need to make the method independent of XCTestCase to also use it in our TestApp UITest target which fails if you import XCTest.
67 |     usleep(useconds_t(1_000_000 * timeout))
   |     `- error: cannot find 'usleep' in scope
68 |     task.cancel()
69 | }
[28/68] Emitting module Logging
[29/68] Compiling Logging Locks.swift
[30/68] Compiling Atomics IntegerOperations.swift
[31/68] Compiling Atomics Unmanaged extensions.swift
[32/68] Emitting module RealModule
[33/68] Compiling RealModule Float16+Real.swift
[34/68] Compiling Atomics Primitives.native.swift
[35/68] Compiling Atomics OptionalRawRepresentable.swift
[36/68] Compiling Atomics RawRepresentable.swift
[37/68] Compiling Atomics IntegerConformances.swift
[38/68] Compiling Atomics PointerConformances.swift
[41/68] Compiling Atomics AtomicReference.swift
[48/69] Emitting module InternalCollectionsUtilities
[56/69] Compiling Logging LogHandler.swift
[57/69] Compiling Logging LogEvent.swift
BUILD FAILURE 6.1 android