Swift Package IndexBuild Information
Failed to build cassowary, reference 0.0.2 (655d2a), with Swift 6.3 for Wasm on 13 Apr 2026 22:01:10 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1Build Log
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RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/compnerd/cassowary.git
Reference: 0.0.2
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/compnerd/cassowary
* tag 0.0.2 -> FETCH_HEAD
HEAD is now at 655d2af Fix for intermittent failure for multi term expressions. The cause is Dictionary is not Ordered and Terms must be evaluated in insertion order.
Cloned https://github.com/compnerd/cassowary.git
Revision (git rev-parse @):
655d2afbc3dc306261610ecb0db73a6b0564041f
SUCCESS checkout https://github.com/compnerd/cassowary.git at 0.0.2
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Build
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Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/compnerd/cassowary.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d69f4e7582c319245442d62a08b2d7c7fd5a0c0c69f5d2ef11d1530cd8d3329b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest
Fetching https://github.com/apple/swift-collections.git
[1/23537] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git from cache (1.55s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.0.6 (2.00s)
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.0.6
Building for debugging...
[0/7] Write sources
[2/7] Write swift-version-24593BA9C3E375BF.txt
[4/54] Emitting module OrderedCollections
[5/60] Compiling OrderedCollections OrderedSet+Initializers.swift
[6/60] Compiling OrderedCollections OrderedSet+Insertions.swift
[7/60] Compiling OrderedCollections OrderedSet+Invariants.swift
[8/60] Compiling OrderedCollections OrderedSet+Partial MutableCollection.swift
[9/60] Compiling OrderedCollections OrderedSet+Partial RangeReplaceableCollection.swift
[10/60] Compiling OrderedCollections OrderedSet+Partial SetAlgebra+Basics.swift
[11/60] Compiling OrderedCollections _Hashtable+Header.swift
[12/60] Compiling OrderedCollections OrderedDictionary+Codable.swift
[13/60] Compiling OrderedCollections OrderedDictionary+CustomDebugStringConvertible.swift
[14/60] Compiling OrderedCollections OrderedDictionary+CustomReflectable.swift
[15/60] Compiling OrderedCollections OrderedDictionary+CustomStringConvertible.swift
[16/60] Compiling OrderedCollections OrderedDictionary+Deprecations.swift
[17/60] Compiling OrderedCollections OrderedDictionary+Elements+SubSequence.swift
[18/60] Compiling OrderedCollections OrderedSet+Testing.swift
[19/60] Compiling OrderedCollections OrderedSet+UnorderedView.swift
[20/60] Compiling OrderedCollections OrderedSet+UnstableInternals.swift
[21/60] Compiling OrderedCollections OrderedSet.swift
[22/60] Compiling OrderedCollections RandomAccessCollection+Offsets.swift
[23/60] Compiling OrderedCollections _UnsafeBitset.swift
[24/60] Compiling OrderedCollections _HashTable+Bucket.swift
[25/60] Compiling OrderedCollections _HashTable+BucketIterator.swift
[26/60] Compiling OrderedCollections _HashTable+Constants.swift
[27/60] Compiling OrderedCollections _HashTable+CustomStringConvertible.swift
[28/60] Compiling OrderedCollections _HashTable+Testing.swift
[29/60] Compiling OrderedCollections _HashTable+UnsafeHandle.swift
[30/60] Compiling OrderedCollections _HashTable.swift
[31/60] Compiling OrderedCollections OrderedSet+Partial SetAlgebra+Operations.swift
[32/60] Compiling OrderedCollections OrderedSet+Partial SetAlgebra+Predicates.swift
[33/60] Compiling OrderedCollections OrderedSet+RandomAccessCollection.swift
[34/60] Compiling OrderedCollections OrderedSet+ReserveCapacity.swift
[35/60] Compiling OrderedCollections OrderedSet+Sendable.swift
[36/60] Compiling OrderedCollections OrderedSet+SubSequence.swift
[37/60] Compiling OrderedCollections OrderedSet+CustomReflectable.swift
[38/60] Compiling OrderedCollections OrderedSet+CustomStringConvertible.swift
[39/60] Compiling OrderedCollections OrderedSet+Diffing.swift
[40/60] Compiling OrderedCollections OrderedSet+Equatable.swift
[41/60] Compiling OrderedCollections OrderedSet+ExpressibleByArrayLiteral.swift
[42/60] Compiling OrderedCollections OrderedSet+Hashable.swift
[43/60] Compiling OrderedCollections OrderedDictionary+Elements.swift
[44/60] Compiling OrderedCollections OrderedDictionary+Equatable.swift
[45/60] Compiling OrderedCollections OrderedDictionary+ExpressibleByDictionaryLiteral.swift
[46/60] Compiling OrderedCollections OrderedDictionary+Hashable.swift
[47/60] Compiling OrderedCollections OrderedDictionary+Initializers.swift
[48/60] Compiling OrderedCollections OrderedDictionary+Invariants.swift
[49/60] Compiling OrderedCollections OrderedDictionary+Partial MutableCollection.swift
[50/60] Compiling OrderedCollections OrderedDictionary+Partial RangeReplaceableCollection.swift
[51/60] Compiling OrderedCollections OrderedDictionary+Sendable.swift
[52/60] Compiling OrderedCollections OrderedDictionary+Sequence.swift
[53/60] Compiling OrderedCollections OrderedDictionary+Values.swift
[54/60] Compiling OrderedCollections OrderedDictionary.swift
[55/60] Compiling OrderedCollections OrderedSet+Codable.swift
[56/60] Compiling OrderedCollections OrderedSet+CustomDebugStringConvertible.swift
[57/61] Wrapping AST for OrderedCollections for debugging
[59/71] Compiling Cassowary Term.swift
[60/72] Compiling Cassowary Strength.swift
[61/72] Emitting module Cassowary
/host/spi-builder-workspace/Sources/Cassowary/Expression.swift:5:1: warning: using '@_implementationOnly' without enabling library evolution for 'Cassowary' may lead to instability during execution [#ImplementationOnlyDeprecated]
3 |
4 | @_implementationOnly
5 | import OrderedCollections
| `- warning: using '@_implementationOnly' without enabling library evolution for 'Cassowary' may lead to instability during execution [#ImplementationOnlyDeprecated]
6 |
7 | public struct Expression {
/host/spi-builder-workspace/Sources/Cassowary/Row.swift:5:1: warning: using '@_implementationOnly' without enabling library evolution for 'Cassowary' may lead to instability during execution [#ImplementationOnlyDeprecated]
3 |
4 | @_implementationOnly
5 | import OrderedCollections
| `- warning: using '@_implementationOnly' without enabling library evolution for 'Cassowary' may lead to instability during execution [#ImplementationOnlyDeprecated]
6 |
7 | internal class Row {
[#ImplementationOnlyDeprecated]: <https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated>
[62/72] Compiling Cassowary Constraint.swift
[63/72] Compiling Cassowary Errors.swift
[64/72] Compiling Cassowary Symbol.swift
[65/72] Compiling Cassowary Symbolics.swift
[66/72] Compiling Cassowary Variable.swift
[67/72] Compiling Cassowary Expression.swift
/host/spi-builder-workspace/Sources/Cassowary/Expression.swift:5:1: warning: using '@_implementationOnly' without enabling library evolution for 'Cassowary' may lead to instability during execution [#ImplementationOnlyDeprecated]
3 |
4 | @_implementationOnly
5 | import OrderedCollections
| `- warning: using '@_implementationOnly' without enabling library evolution for 'Cassowary' may lead to instability during execution [#ImplementationOnlyDeprecated]
6 |
7 | public struct Expression {
/host/spi-builder-workspace/Sources/Cassowary/Row.swift:5:1: warning: using '@_implementationOnly' without enabling library evolution for 'Cassowary' may lead to instability during execution [#ImplementationOnlyDeprecated]
3 |
4 | @_implementationOnly
5 | import OrderedCollections
| `- warning: using '@_implementationOnly' without enabling library evolution for 'Cassowary' may lead to instability during execution [#ImplementationOnlyDeprecated]
6 |
7 | internal class Row {
[#ImplementationOnlyDeprecated]: <https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated>
[68/72] Compiling Cassowary Row.swift
/host/spi-builder-workspace/Sources/Cassowary/Expression.swift:5:1: warning: using '@_implementationOnly' without enabling library evolution for 'Cassowary' may lead to instability during execution [#ImplementationOnlyDeprecated]
3 |
4 | @_implementationOnly
5 | import OrderedCollections
| `- warning: using '@_implementationOnly' without enabling library evolution for 'Cassowary' may lead to instability during execution [#ImplementationOnlyDeprecated]
6 |
7 | public struct Expression {
/host/spi-builder-workspace/Sources/Cassowary/Row.swift:5:1: warning: using '@_implementationOnly' without enabling library evolution for 'Cassowary' may lead to instability during execution [#ImplementationOnlyDeprecated]
3 |
4 | @_implementationOnly
5 | import OrderedCollections
| `- warning: using '@_implementationOnly' without enabling library evolution for 'Cassowary' may lead to instability during execution [#ImplementationOnlyDeprecated]
6 |
7 | internal class Row {
[#ImplementationOnlyDeprecated]: <https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated>
[69/72] Compiling Cassowary Solver.swift
[70/73] Wrapping AST for Cassowary for debugging
[71/73] Write Objects.LinkFileList
error: dynamic libraries are unsupported for target 'wasm32-unknown-wasip1'
[72/73] Linking libcassowary.wasm
BUILD FAILURE 6.3 wasm