Swift Package IndexBuild Information
Failed to build Assertions, reference main (c815e2), with Swift 6.1 for Linux on 1 Sep 2025 16:02:48 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.67.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/harlanhaskins/assertions.git
Reference: main
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/harlanhaskins/assertions
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at c815e2c Initial commit
Cloned https://github.com/harlanhaskins/assertions.git
Revision (git rev-parse @):
c815e2cff666d1cbe603e782ab01dfe2f39c1f73
SUCCESS checkout https://github.com/harlanhaskins/assertions.git at main
========================================
Build
========================================
Selected platform: linux
Swift version: 6.1
Building package at path: $PWD
https://github.com/harlanhaskins/assertions.git
https://github.com/harlanhaskins/assertions.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.1.0 but the installed version is 6.0.2
error: fatalError
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:99ea6d26ace67c023f359493a2ac553a612b92a7f2dee009657225f46f43aa0e
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Fetching https://github.com/apple/swift-collections
[1/17394] Fetching swift-collections
Fetched https://github.com/apple/swift-collections from cache (1.98s)
Computing version for https://github.com/apple/swift-collections
Computed https://github.com/apple/swift-collections at 1.2.1 (3.47s)
Creating working copy for https://github.com/apple/swift-collections
Working copy of https://github.com/apple/swift-collections resolved at 1.2.1
Building for debugging...
[0/10] Write sources
[9/10] Write swift-version-24593BA9C3E375BF.txt
[11/24] Emitting module InternalCollectionsUtilities
[12/24] Compiling InternalCollectionsUtilities FixedWidthInteger+roundUpToPowerOfTwo.swift
[13/24] Compiling InternalCollectionsUtilities Integer rank.swift
[14/25] Compiling InternalCollectionsUtilities _UniqueCollection.swift
[15/25] Compiling InternalCollectionsUtilities Debugging.swift
[16/25] Compiling InternalCollectionsUtilities _UnsafeBitSet.swift
[17/25] Compiling InternalCollectionsUtilities _SortedCollection.swift
[18/25] Compiling InternalCollectionsUtilities Descriptions.swift
[19/25] Compiling InternalCollectionsUtilities RandomAccessCollection+Offsets.swift
[20/25] Compiling InternalCollectionsUtilities UnsafeBufferPointer+Extras.swift
[21/25] Compiling InternalCollectionsUtilities _UnsafeBitSet+Index.swift
[22/25] Compiling InternalCollectionsUtilities _UnsafeBitSet+_Word.swift
[23/25] Compiling InternalCollectionsUtilities UInt+first and last set bit.swift
[24/25] Compiling InternalCollectionsUtilities UInt+reversed.swift
[25/25] Compiling InternalCollectionsUtilities UnsafeMutableBufferPointer+Extras.swift
[27/266] Compiling HashTreeCollections _Bucket.swift
[28/266] Compiling HashTreeCollections _Hash.swift
[29/277] Compiling HeapModule Heap+ExpressibleByArrayLiteral.swift
[30/286] Compiling HashTreeCollections _HashNode+Debugging.swift
[31/286] Compiling HashTreeCollections _HashNode+Initializers.swift
[32/302] Compiling HeapModule _HeapNode.swift
[33/302] Compiling HeapModule Heap.swift
[34/302] Compiling HashTreeCollections _HashLevel.swift
[35/302] Compiling HashTreeCollections _HashNode+Builder.swift
[36/302] Emitting module HeapModule
[37/302] Compiling HeapModule Heap+Descriptions.swift
[38/302] Compiling HeapModule Heap+Invariants.swift
[39/302] Compiling HeapModule Heap+UnsafeHandle.swift
[41/303] Compiling DequeModule _DequeSlot.swift
[42/303] Compiling DequeModule _UnsafeWrappedBuffer.swift
[43/303] Compiling HashTreeCollections _HashTreeStatistics.swift
[44/303] Compiling HashTreeCollections _RawHashNode+UnsafeHandle.swift
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[47/303] Compiling HashTreeCollections _UnsafePath.swift
[48/303] Compiling HashTreeCollections TreeDictionary+Codable.swift
[49/303] Compiling HashTreeCollections TreeDictionary+Collection.swift
[50/303] Compiling HashTreeCollections TreeDictionary+CustomReflectable.swift
[51/303] Compiling HashTreeCollections _HashNode+Structural intersection.swift
[52/303] Compiling HashTreeCollections _HashNode+Structural isDisjoint.swift
[53/303] Compiling HashTreeCollections _HashNode+Structural isEqualSet.swift
[54/303] Compiling HashTreeCollections _HashNode+Structural isSubset.swift
[55/303] Compiling HashTreeCollections _HashNode+Structural mapValues.swift
[56/303] Compiling HashTreeCollections _HashNode+Structural merge.swift
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[58/310] Compiling HashTreeCollections TreeSet+Hashable.swift
[59/310] Compiling HashTreeCollections TreeSet+Sendable.swift
[60/310] Compiling HashTreeCollections TreeSet+Sequence.swift
[61/310] Compiling HashTreeCollections TreeSet+SetAlgebra Initializers.swift
[62/310] Compiling HashTreeCollections TreeSet+SetAlgebra basics.swift
[63/310] Compiling HashTreeCollections TreeSet+SetAlgebra formIntersection.swift
[64/310] Compiling HashTreeCollections TreeSet+SetAlgebra formSymmetricDifference.swift
[65/310] Compiling HashTreeCollections TreeSet+SetAlgebra formUnion.swift
[66/310] Compiling HashTreeCollections TreeSet+SetAlgebra intersection.swift
[67/310] Compiling HashTreeCollections TreeSet+SetAlgebra isDisjoint.swift
[68/319] Compiling HashTreeCollections _HashNode+Primitive Replacement.swift
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[71/319] Compiling HashTreeCollections _HashNode+Primitive Removals.swift
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[78/320] Compiling HashTreeCollections TreeDictionary+Merge.swift
[79/320] Compiling BitCollections BitSet.Index.swift
[80/320] Compiling BitCollections BitSet._UnsafeHandle.swift
[81/327] Compiling HashTreeCollections TreeDictionary+Debugging.swift
[82/327] Compiling HashTreeCollections TreeDictionary+Descriptions.swift
[83/327] Compiling HashTreeCollections _HashNode+Structural subtracting.swift
[84/327] Compiling HashTreeCollections _HashNode+Structural symmetricDifference.swift
[85/327] Compiling HashTreeCollections _HashNode+Structural union.swift
[86/327] Compiling HashTreeCollections _HashNode+Subtree Insertions.swift
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[102/327] Compiling HashTreeCollections _HashStack.swift
[103/327] Compiling HashTreeCollections TreeDictionary+Equatable.swift
[143/327] Compiling OrderedCollections OrderedSet+SubSequence.swift
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[145/327] Compiling OrderedCollections OrderedSet+UnorderedView.swift
[146/327] Compiling OrderedCollections OrderedSet+UnstableInternals.swift
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[148/327] Compiling OrderedCollections _UnsafeBitset.swift
[149/327] Compiling HashTreeCollections TreeSet+Equatable.swift
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[151/327] Compiling HashTreeCollections TreeSet+Extras.swift
[152/327] Compiling HashTreeCollections TreeSet+Filter.swift
[163/327] Compiling OrderedCollections OrderedSet+Sendable.swift
[173/336] Emitting module DequeModule
[174/337] Emitting module BitCollections
[184/337] Compiling _RopeModule _CharacterRecognizer.swift
[185/337] Compiling HashTreeCollections TreeSet+SetAlgebra isStrictSubset.swift
[186/337] Compiling HashTreeCollections TreeSet+SetAlgebra isStrictSuperset.swift
[187/337] Compiling HashTreeCollections TreeSet+SetAlgebra isSubset.swift
[188/337] Compiling HashTreeCollections TreeSet+SetAlgebra isSuperset.swift
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[191/337] Compiling HashTreeCollections TreeSet+SetAlgebra symmetricDifference.swift
[192/337] Compiling HashTreeCollections TreeSet+SetAlgebra union.swift
[193/337] Compiling HashTreeCollections TreeSet.swift
[258/338] Emitting module OrderedCollections
[271/339] Emitting module _RopeModule
[272/339] Compiling _RopeModule Rope+Join.swift
[273/339] Compiling _RopeModule Rope+MutatingForEach.swift
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[277/339] Compiling _RopeModule Optional Utilities.swift
[278/339] Compiling _RopeModule String Utilities.swift
[279/339] Compiling _RopeModule String.Index+ABI.swift
[281/339] Emitting module HashTreeCollections
[342/343] Compiling Collections Collections.swift
[343/343] Emitting module Collections
[345/349] Compiling Assertions AssertionManager.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/host/spi-builder-workspace/Sources/Assertions/AssertionManager.swift:50:2: error: unknown attribute 'Observable'
48 | /// AssertionManager is `@Observable` so clients can observe the state of `value`. To receive synchronous updates,
49 | /// register yourself as the `delegate` instead.
50 | @Observable
| `- error: unknown attribute 'Observable'
51 | public final class AssertionManager<Value: AssertionValue>: CustomStringConvertible, AssertionManaging {
52 | struct ActiveAssertion {
[346/349] Compiling Assertions AssertionValue.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[347/349] Compiling Assertions UUID+ShortID.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
error: emit-module command failed with exit code 1 (use -v to see invocation)
[348/349] Compiling Assertions Assertion.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[349/349] Emitting module Assertions
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/host/spi-builder-workspace/Sources/Assertions/AssertionManager.swift:50:2: error: unknown attribute 'Observable'
48 | /// AssertionManager is `@Observable` so clients can observe the state of `value`. To receive synchronous updates,
49 | /// register yourself as the `delegate` instead.
50 | @Observable
| `- error: unknown attribute 'Observable'
51 | public final class AssertionManager<Value: AssertionValue>: CustomStringConvertible, AssertionManaging {
52 | struct ActiveAssertion {
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:99ea6d26ace67c023f359493a2ac553a612b92a7f2dee009657225f46f43aa0e
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/15] Compiling InternalCollectionsUtilities UnsafeBufferPointer+Extras.swift
[3/16] Compiling InternalCollectionsUtilities UnsafeMutableBufferPointer+Extras.swift
[4/16] Compiling InternalCollectionsUtilities Descriptions.swift
[5/16] Compiling InternalCollectionsUtilities RandomAccessCollection+Offsets.swift
[6/16] Compiling InternalCollectionsUtilities _UniqueCollection.swift
[7/16] Compiling InternalCollectionsUtilities Debugging.swift
[8/16] Compiling InternalCollectionsUtilities _UnsafeBitSet.swift
[9/16] Compiling InternalCollectionsUtilities _SortedCollection.swift
[10/16] Compiling InternalCollectionsUtilities UInt+first and last set bit.swift
[11/16] Compiling InternalCollectionsUtilities UInt+reversed.swift
[12/16] Emitting module InternalCollectionsUtilities
[13/16] Compiling InternalCollectionsUtilities FixedWidthInteger+roundUpToPowerOfTwo.swift
[14/16] Compiling InternalCollectionsUtilities Integer rank.swift
[15/16] Compiling InternalCollectionsUtilities _UnsafeBitSet+Index.swift
[16/16] Compiling InternalCollectionsUtilities _UnsafeBitSet+_Word.swift
[18/114] Compiling HeapModule Heap+ExpressibleByArrayLiteral.swift
[19/223] Compiling HeapModule Heap.swift
[20/223] Compiling OrderedCollections OrderedDictionary+Elements.SubSequence.swift
[21/223] Compiling OrderedCollections OrderedDictionary+Elements.swift
[22/293] Compiling HeapModule Heap+Invariants.swift
[23/293] Compiling HeapModule Heap+UnsafeHandle.swift
[24/293] Compiling HeapModule _HeapNode.swift
[25/293] Compiling _RopeModule BigString+Chunk+Indexing by Characters.swift
[26/293] Compiling _RopeModule BigString+Chunk+Indexing by UTF16.swift
[27/293] Compiling HeapModule Heap+Descriptions.swift
[28/293] Emitting module HeapModule
[29/294] Compiling _RopeModule BigString+Initializers.swift
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[31/294] Compiling _RopeModule BigString+Managing Breaks.swift
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[36/294] Compiling _RopeModule BigString+Builder.swift
[37/294] Compiling _RopeModule BigString+Contents.swift
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[39/294] Compiling _RopeModule BigString+Index.swift
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[43/301] Compiling _RopeModule Rope+ForEachWhile.swift
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[45/301] Compiling HashTreeCollections TreeSet+Sequence.swift
[46/301] Compiling HashTreeCollections TreeSet+SetAlgebra Initializers.swift
[47/301] Compiling HashTreeCollections TreeSet+SetAlgebra basics.swift
[48/301] Compiling HashTreeCollections TreeSet+SetAlgebra formIntersection.swift
[49/301] Compiling HashTreeCollections TreeSet+SetAlgebra formSymmetricDifference.swift
[50/301] Compiling HashTreeCollections TreeSet+SetAlgebra formUnion.swift
[51/301] Compiling HashTreeCollections TreeSet+SetAlgebra intersection.swift
[52/301] Compiling HashTreeCollections TreeSet+SetAlgebra isDisjoint.swift
[54/311] Compiling _RopeModule BigString+CustomStringConvertible.swift
[55/311] Compiling _RopeModule BigString+Equatable.swift
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[116/318] Compiling _RopeModule BigString+CustomDebugStringConvertible.swift
[126/318] Compiling _RopeModule BigString+Metrics.swift
[163/318] Emitting module BitCollections
[172/318] Emitting module DequeModule
[173/319] Compiling HashTreeCollections TreeSet+SetAlgebra isEqualSet.swift
[174/319] Compiling HashTreeCollections TreeSet+SetAlgebra isStrictSubset.swift
[175/319] Compiling HashTreeCollections TreeSet+SetAlgebra isStrictSuperset.swift
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[181/319] Compiling HashTreeCollections TreeSet+SetAlgebra union.swift
[182/319] Compiling HashTreeCollections TreeSet.swift
[184/319] Compiling OrderedCollections OrderedSet+Sendable.swift
[185/319] Compiling OrderedCollections OrderedSet+SubSequence.swift
[186/319] Compiling OrderedCollections OrderedSet+Testing.swift
[187/319] Compiling OrderedCollections OrderedSet+UnorderedView.swift
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[191/319] Compiling _RopeModule Rope+Sequence.swift
[192/319] Compiling _RopeModule Rope+Append.swift
[193/319] Compiling _RopeModule Rope+Extract.swift
[194/319] Compiling _RopeModule Rope+Find.swift
[269/329] Emitting module OrderedCollections
[281/330] Emitting module HashTreeCollections
[283/331] Compiling _RopeModule Rope+Join.swift
[284/331] Compiling _RopeModule Rope+MutatingForEach.swift
[285/331] Compiling _RopeModule Rope+Remove.swift
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[288/331] Compiling _RopeModule Optional Utilities.swift
[289/331] Compiling _RopeModule String Utilities.swift
[290/331] Compiling _RopeModule String.Index+ABI.swift
[291/331] Compiling _RopeModule _CharacterRecognizer.swift
[331/331] Emitting module _RopeModule
[333/334] Compiling Collections Collections.swift
[334/334] Emitting module Collections
[336/340] Compiling Assertions AssertionValue.swift
[337/340] Compiling Assertions UUID+ShortID.swift
[338/340] Compiling Assertions Assertion.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[339/340] Emitting module Assertions
/host/spi-builder-workspace/Sources/Assertions/AssertionManager.swift:50:2: error: unknown attribute 'Observable'
48 | /// AssertionManager is `@Observable` so clients can observe the state of `value`. To receive synchronous updates,
49 | /// register yourself as the `delegate` instead.
50 | @Observable
| `- error: unknown attribute 'Observable'
51 | public final class AssertionManager<Value: AssertionValue>: CustomStringConvertible, AssertionManaging {
52 | struct ActiveAssertion {
[340/340] Compiling Assertions AssertionManager.swift
/host/spi-builder-workspace/Sources/Assertions/AssertionManager.swift:50:2: error: unknown attribute 'Observable'
48 | /// AssertionManager is `@Observable` so clients can observe the state of `value`. To receive synchronous updates,
49 | /// register yourself as the `delegate` instead.
50 | @Observable
| `- error: unknown attribute 'Observable'
51 | public final class AssertionManager<Value: AssertionValue>: CustomStringConvertible, AssertionManaging {
52 | struct ActiveAssertion {
BUILD FAILURE 6.1 linux