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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build SwiftletModel, reference 0.12.3 (2074bb), with Swift 6.0 for Linux on 26 Apr 2025 20:24:56 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/KazaiMazai/SwiftletModel.git
Reference: 0.12.3
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/KazaiMazai/SwiftletModel
 * tag               0.12.3     -> FETCH_HEAD
HEAD is now at 2074bb0 Minor schema fixes (#94)
Cloned https://github.com/KazaiMazai/SwiftletModel.git
Revision (git rev-parse @):
2074bb06022cd433dfe8ffd6f3f1810f8250b1ee
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/KazaiMazai/SwiftletModel.git at 0.12.3
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/KazaiMazai/SwiftletModel.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:9029076bb687edc160a3d5201c89e92dd9fa7309f33f090c4234365c83366c31
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Fetching https://github.com/swiftlang/swift-syntax
Fetching https://github.com/attaswift/BTree
Fetching https://github.com/pointfreeco/swift-snapshot-testing
Fetching https://github.com/apple/swift-collections.git
[1/3349] Fetching btree
[1442/19591] Fetching btree, swift-collections
[6274/32750] Fetching btree, swift-collections, swift-snapshot-testing
[11744/102983] Fetching btree, swift-collections, swift-snapshot-testing, swift-syntax
Fetched https://github.com/attaswift/BTree from cache (2.00s)
[86290/99634] Fetching swift-collections, swift-snapshot-testing, swift-syntax
Fetched https://github.com/apple/swift-collections.git from cache (5.37s)
Fetched https://github.com/swiftlang/swift-syntax from cache (5.42s)
Fetched https://github.com/pointfreeco/swift-snapshot-testing from cache (5.43s)
Computing version for https://github.com/attaswift/BTree
Computed https://github.com/attaswift/BTree at 4.1.0 (2.43s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.1.4 (2.83s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 600.0.1 (0.84s)
Computing version for https://github.com/pointfreeco/swift-snapshot-testing
Computed https://github.com/pointfreeco/swift-snapshot-testing at 1.18.3 (0.62s)
Fetching https://github.com/pointfreeco/swift-custom-dump
[1/4581] Fetching swift-custom-dump
Fetched https://github.com/pointfreeco/swift-custom-dump from cache (0.27s)
Computing version for https://github.com/pointfreeco/swift-custom-dump
Computed https://github.com/pointfreeco/swift-custom-dump at 1.3.3 (0.62s)
Fetching https://github.com/pointfreeco/xctest-dynamic-overlay
[1/5388] Fetching xctest-dynamic-overlay
Fetched https://github.com/pointfreeco/xctest-dynamic-overlay from cache (0.90s)
Computing version for https://github.com/pointfreeco/xctest-dynamic-overlay
Computed https://github.com/pointfreeco/xctest-dynamic-overlay at 1.5.2 (0.66s)
Creating working copy for https://github.com/attaswift/BTree
Working copy of https://github.com/attaswift/BTree resolved at 4.1.0
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.1.4
Creating working copy for https://github.com/pointfreeco/swift-snapshot-testing
Working copy of https://github.com/pointfreeco/swift-snapshot-testing resolved at 1.18.3
Creating working copy for https://github.com/pointfreeco/xctest-dynamic-overlay
Working copy of https://github.com/pointfreeco/xctest-dynamic-overlay resolved at 1.5.2
Creating working copy for https://github.com/pointfreeco/swift-custom-dump
Working copy of https://github.com/pointfreeco/swift-custom-dump resolved at 1.3.3
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 600.0.1
Building for debugging...
[0/47] Write sources
[25/47] Compiling _SwiftSyntaxCShims dummy.c
[26/47] Write swift-version-24593BA9C3E375BF.txt
[28/72] Emitting module SwiftSyntax510
[29/85] Compiling SwiftSyntax510 Empty.swift
[30/86] Emitting module SwiftSyntax509
[31/86] Compiling SwiftSyntax509 Empty.swift
[32/87] Compiling InternalCollectionsUtilities RandomAccessCollection+Offsets.swift
[33/87] Compiling InternalCollectionsUtilities Specialize.swift
[34/87] Compiling InternalCollectionsUtilities UInt+reversed.swift
[35/87] Compiling InternalCollectionsUtilities _UnsafeBitSet+Index.swift
[36/89] Compiling InternalCollectionsUtilities UnsafeRawPointer extensions.swift
[37/89] Compiling InternalCollectionsUtilities FixedWidthInteger+roundUpToPowerOfTwo.swift
[38/91] Compiling InternalCollectionsUtilities UnsafeMutableBufferPointer+SE-0370.swift
[39/91] Compiling InternalCollectionsUtilities UnsafeMutablePointer+SE-0370.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[40/91] Emitting module BTree
/host/spi-builder-workspace/.build/checkouts/BTree/Sources/BridgedList.swift:57:78: error: cannot find type 'NSFastEnumerationState' in scope
55 |     }
56 |
57 |     public override func countByEnumerating(with state: UnsafeMutablePointer<NSFastEnumerationState>, objects buffer: AutoreleasingUnsafeMutablePointer<AnyObject?>, count len: Int) -> Int {
   |                                                                              `- error: cannot find type 'NSFastEnumerationState' in scope
58 |         precondition(MemoryLayout<(EmptyKey, Value)>.size == MemoryLayout<Value>.size)
59 |         precondition(MemoryLayout<(EmptyKey, Value)>.stride == MemoryLayout<Value>.stride)
/host/spi-builder-workspace/.build/checkouts/BTree/Sources/BridgedList.swift:57:119: error: cannot find type 'AutoreleasingUnsafeMutablePointer' in scope
55 |     }
56 |
57 |     public override func countByEnumerating(with state: UnsafeMutablePointer<NSFastEnumerationState>, objects buffer: AutoreleasingUnsafeMutablePointer<AnyObject?>, count len: Int) -> Int {
   |                                                                                                                       `- error: cannot find type 'AutoreleasingUnsafeMutablePointer' in scope
58 |         precondition(MemoryLayout<(EmptyKey, Value)>.size == MemoryLayout<Value>.size)
59 |         precondition(MemoryLayout<(EmptyKey, Value)>.stride == MemoryLayout<Value>.stride)
/host/spi-builder-workspace/.build/checkouts/BTree/Sources/BridgedList.swift:57:26: error: method does not override any method from its superclass
55 |     }
56 |
57 |     public override func countByEnumerating(with state: UnsafeMutablePointer<NSFastEnumerationState>, objects buffer: AutoreleasingUnsafeMutablePointer<AnyObject?>, count len: Int) -> Int {
   |                          `- error: method does not override any method from its superclass
58 |         precondition(MemoryLayout<(EmptyKey, Value)>.size == MemoryLayout<Value>.size)
59 |         precondition(MemoryLayout<(EmptyKey, Value)>.stride == MemoryLayout<Value>.stride)
[41/91] Compiling InternalCollectionsUtilities Integer rank.swift
[42/91] Compiling InternalCollectionsUtilities UInt+first and last set bit.swift
[43/91] Emitting module SwiftSyntax600
[44/91] Compiling SwiftSyntax600 Empty.swift
[47/92] Emitting module InternalCollectionsUtilities
[51/92] Compiling InternalCollectionsUtilities _SortedCollection.swift
[52/92] Compiling InternalCollectionsUtilities _UniqueCollection.swift
[53/92] Compiling InternalCollectionsUtilities _UnsafeBitSet+_Word.swift
[54/92] Compiling InternalCollectionsUtilities _UnsafeBitSet.swift
[59/92] Compiling BTree SortedSet.swift
[60/92] Compiling BTree Weak.swift
[66/92] Wrapping AST for SwiftSyntax509 for debugging
[67/92] Wrapping AST for SwiftSyntax510 for debugging
[68/92] Wrapping AST for SwiftSyntax600 for debugging
[70/92] Compiling InternalCollectionsUtilities UnsafeBufferPointer+Extras.swift
[71/92] Compiling InternalCollectionsUtilities UnsafeMutableBufferPointer+Extras.swift
[73/157] Compiling SwiftSyntax SyntaxChildren.swift
[74/157] Compiling SwiftSyntax SyntaxCollection.swift
[75/431] Compiling HashTreeCollections _Bucket.swift
[76/431] Compiling HashTreeCollections _Hash.swift
[77/431] Compiling HashTreeCollections _HashNode+Primitive Insertions.swift
[78/431] Compiling HashTreeCollections _HashNode+Primitive Removals.swift
[79/433] Compiling HeapModule Heap.swift
[80/433] Compiling HeapModule _HeapNode.swift
[81/433] Compiling HashTreeCollections TreeDictionary+Collection.swift
[82/433] Compiling HashTreeCollections TreeDictionary+CustomReflectable.swift
[83/433] Compiling HashTreeCollections TreeDictionary+Debugging.swift
[84/433] Compiling HashTreeCollections TreeDictionary+Descriptions.swift
[85/433] Compiling HashTreeCollections TreeDictionary+Equatable.swift
[86/433] Compiling HashTreeCollections TreeDictionary+ExpressibleByDictionaryLiteral.swift
[87/433] Compiling HashTreeCollections TreeDictionary+Filter.swift
[88/440] Compiling HeapModule Heap+Invariants.swift
[89/440] Compiling HeapModule Heap+Descriptions.swift
[90/440] Compiling HeapModule Heap+UnsafeHandle.swift
[91/440] Compiling HeapModule Heap+ExpressibleByArrayLiteral.swift
[92/440] Emitting module HeapModule
[93/441] Compiling HashTreeCollections _HashNode+Invariants.swift
[94/441] Compiling HashTreeCollections _HashNode+Lookups.swift
[95/441] Compiling HashTreeCollections _HashNode+Debugging.swift
[96/441] Compiling HashTreeCollections _HashNode+Initializers.swift
[97/441] Compiling HashTreeCollections _HashLevel.swift
[98/441] Compiling HashTreeCollections _HashNode+Builder.swift
[99/441] Compiling HashTreeCollections _HashNode+Primitive Replacement.swift
[100/441] Compiling HashTreeCollections _HashNode+Storage.swift
[101/441] Compiling DequeModule _DequeSlot.swift
[102/441] Compiling DequeModule _UnsafeWrappedBuffer.swift
[103/441] Compiling HashTreeCollections TreeSet+Hashable.swift
[104/441] Compiling HashTreeCollections TreeSet+Sendable.swift
[105/441] Compiling HashTreeCollections TreeSet+Sequence.swift
[106/441] Compiling HashTreeCollections TreeSet+SetAlgebra Initializers.swift
[107/441] Compiling HashTreeCollections TreeSet+SetAlgebra basics.swift
[108/441] Compiling HashTreeCollections TreeSet+SetAlgebra formIntersection.swift
[109/441] Compiling HashTreeCollections TreeSet+SetAlgebra formSymmetricDifference.swift
[110/441] Compiling HashTreeCollections TreeSet+SetAlgebra formUnion.swift
[111/441] Compiling HashTreeCollections TreeSet+SetAlgebra intersection.swift
[112/441] Compiling HashTreeCollections TreeSet+SetAlgebra isDisjoint.swift
[113/451] Compiling HashTreeCollections _HashNode+Structural intersection.swift
[114/451] Compiling HashTreeCollections _HashNode+Structural isDisjoint.swift
[115/451] Compiling HashTreeCollections _HashNode+Structural isEqualSet.swift
[116/451] Compiling HashTreeCollections _HashNode+Structural isSubset.swift
[117/451] Compiling HashTreeCollections _HashNode+Structural mapValues.swift
[118/451] Compiling HashTreeCollections _HashNode+Structural merge.swift
[119/451] Compiling HashTreeCollections _HashNode+Structural subtracting.swift
[120/451] Compiling HashTreeCollections _HashNode+Structural symmetricDifference.swift
[121/451] Compiling HashTreeCollections _HashNode+Structural union.swift
[122/451] Compiling HashTreeCollections _HashNode+Subtree Insertions.swift
[123/451] Compiling HashTreeCollections _HashNode+Subtree Modify.swift
[124/451] Compiling HashTreeCollections _HashNode+Subtree Removals.swift
[125/451] Compiling HashTreeCollections _HashNode+UnsafeHandle.swift
[126/451] Compiling HashTreeCollections _HashNode.swift
[127/458] Compiling HashTreeCollections TreeDictionary+Hashable.swift
[128/458] Compiling HashTreeCollections TreeDictionary+Initializers.swift
[129/458] Compiling HashTreeCollections TreeDictionary+Keys.swift
[130/458] Compiling HashTreeCollections TreeDictionary+MapValues.swift
[131/458] Compiling HashTreeCollections TreeDictionary+Merge.swift
[132/458] Compiling BitCollections BitSet.Index.swift
[133/458] Compiling BitCollections BitSet._UnsafeHandle.swift
/host/spi-builder-workspace/.build/checkouts/BTree/Sources/BridgedList.swift:57:78: error: cannot find type 'NSFastEnumerationState' in scope
55 |     }
56 |
57 |     public override func countByEnumerating(with state: UnsafeMutablePointer<NSFastEnumerationState>, objects buffer: AutoreleasingUnsafeMutablePointer<AnyObject?>, count len: Int) -> Int {
   |                                                                              `- error: cannot find type 'NSFastEnumerationState' in scope
58 |         precondition(MemoryLayout<(EmptyKey, Value)>.size == MemoryLayout<Value>.size)
59 |         precondition(MemoryLayout<(EmptyKey, Value)>.stride == MemoryLayout<Value>.stride)
/host/spi-builder-workspace/.build/checkouts/BTree/Sources/BridgedList.swift:57:119: error: cannot find type 'AutoreleasingUnsafeMutablePointer' in scope
55 |     }
56 |
57 |     public override func countByEnumerating(with state: UnsafeMutablePointer<NSFastEnumerationState>, objects buffer: AutoreleasingUnsafeMutablePointer<AnyObject?>, count len: Int) -> Int {
   |                                                                                                                       `- error: cannot find type 'AutoreleasingUnsafeMutablePointer' in scope
58 |         precondition(MemoryLayout<(EmptyKey, Value)>.size == MemoryLayout<Value>.size)
59 |         precondition(MemoryLayout<(EmptyKey, Value)>.stride == MemoryLayout<Value>.stride)
/host/spi-builder-workspace/.build/checkouts/BTree/Sources/BridgedList.swift:57:26: error: method does not override any method from its superclass
55 |     }
56 |
57 |     public override func countByEnumerating(with state: UnsafeMutablePointer<NSFastEnumerationState>, objects buffer: AutoreleasingUnsafeMutablePointer<AnyObject?>, count len: Int) -> Int {
   |                          `- error: method does not override any method from its superclass
58 |         precondition(MemoryLayout<(EmptyKey, Value)>.size == MemoryLayout<Value>.size)
59 |         precondition(MemoryLayout<(EmptyKey, Value)>.stride == MemoryLayout<Value>.stride)
/host/spi-builder-workspace/.build/checkouts/BTree/Sources/BridgedList.swift:73:30: error: cannot find 'AutoreleasingUnsafeMutablePointer' in scope
71 |             let c = node.elements.count - slot
72 |             node.elements.withUnsafeBufferPointer { p in
73 |                 s.itemsPtr = AutoreleasingUnsafeMutablePointer<AnyObject?>(UnsafeMutablePointer(mutating: p.baseAddress!) + slot)
   |                              `- error: cannot find 'AutoreleasingUnsafeMutablePointer' in scope
74 |                 s.state += UInt(c)
75 |             }
/host/spi-builder-workspace/.build/checkouts/BTree/Sources/BridgedList.swift:73:76: error: generic parameter 'Pointee' could not be inferred
71 |             let c = node.elements.count - slot
72 |             node.elements.withUnsafeBufferPointer { p in
73 |                 s.itemsPtr = AutoreleasingUnsafeMutablePointer<AnyObject?>(UnsafeMutablePointer(mutating: p.baseAddress!) + slot)
   |                                                                            |- error: generic parameter 'Pointee' could not be inferred
   |                                                                            `- note: explicitly specify the generic arguments to fix this issue
74 |                 s.state += UInt(c)
75 |             }
/host/spi-builder-workspace/.build/checkouts/BTree/Sources/BridgedList.swift:57:78: error: cannot find type 'NSFastEnumerationState' in scope
55 |     }
56 |
57 |     public override func countByEnumerating(with state: UnsafeMutablePointer<NSFastEnumerationState>, objects buffer: AutoreleasingUnsafeMutablePointer<AnyObject?>, count len: Int) -> Int {
   |                                                                              `- error: cannot find type 'NSFastEnumerationState' in scope
58 |         precondition(MemoryLayout<(EmptyKey, Value)>.size == MemoryLayout<Value>.size)
59 |         precondition(MemoryLayout<(EmptyKey, Value)>.stride == MemoryLayout<Value>.stride)
/host/spi-builder-workspace/.build/checkouts/BTree/Sources/BridgedList.swift:57:119: error: cannot find type 'AutoreleasingUnsafeMutablePointer' in scope
55 |     }
56 |
57 |     public override func countByEnumerating(with state: UnsafeMutablePointer<NSFastEnumerationState>, objects buffer: AutoreleasingUnsafeMutablePointer<AnyObject?>, count len: Int) -> Int {
   |                                                                                                                       `- error: cannot find type 'AutoreleasingUnsafeMutablePointer' in scope
58 |         precondition(MemoryLayout<(EmptyKey, Value)>.size == MemoryLayout<Value>.size)
59 |         precondition(MemoryLayout<(EmptyKey, Value)>.stride == MemoryLayout<Value>.stride)
/host/spi-builder-workspace/.build/checkouts/BTree/Sources/BridgedList.swift:57:26: error: method does not override any method from its superclass
55 |     }
56 |
57 |     public override func countByEnumerating(with state: UnsafeMutablePointer<NSFastEnumerationState>, objects buffer: AutoreleasingUnsafeMutablePointer<AnyObject?>, count len: Int) -> Int {
   |                          `- error: method does not override any method from its superclass
58 |         precondition(MemoryLayout<(EmptyKey, Value)>.size == MemoryLayout<Value>.size)
59 |         precondition(MemoryLayout<(EmptyKey, Value)>.stride == MemoryLayout<Value>.stride)
/host/spi-builder-workspace/.build/checkouts/BTree/Sources/BridgedList.swift:73:30: error: cannot find 'AutoreleasingUnsafeMutablePointer' in scope
71 |             let c = node.elements.count - slot
72 |             node.elements.withUnsafeBufferPointer { p in
73 |                 s.itemsPtr = AutoreleasingUnsafeMutablePointer<AnyObject?>(UnsafeMutablePointer(mutating: p.baseAddress!) + slot)
   |                              `- error: cannot find 'AutoreleasingUnsafeMutablePointer' in scope
74 |                 s.state += UInt(c)
75 |             }
/host/spi-builder-workspace/.build/checkouts/BTree/Sources/BridgedList.swift:73:76: error: generic parameter 'Pointee' could not be inferred
71 |             let c = node.elements.count - slot
72 |             node.elements.withUnsafeBufferPointer { p in
73 |                 s.itemsPtr = AutoreleasingUnsafeMutablePointer<AnyObject?>(UnsafeMutablePointer(mutating: p.baseAddress!) + slot)
   |                                                                            |- error: generic parameter 'Pointee' could not be inferred
   |                                                                            `- note: explicitly specify the generic arguments to fix this issue
74 |                 s.state += UInt(c)
75 |             }
BUILD FAILURE 6.0 linux