cassowary – Build Information – Swift Package Index

Build Information

Failed to build cassowary, reference 0.0.2 (655d2a), with Swift 6.4 for Wasm on 19 Sep 2026 15:20:22 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
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
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/compnerd/cassowary.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:4328fdb43c680d205c1d6761b1e3267aa38277eefdda9ddfb17b6a0f1a77857a
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Fetching https://github.com/apple/swift-collections.git
[1/27352] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git (1.11s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.0.6 (1.31s)
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...
[Pre-planning 1 / 96]
[1 / 37]
[31 / 47] OrderedCollections
[32 / 47] OrderedCollections
[42 / 57] Cassowary
/host/spi-builder-workspace/Sources/Cassowary/Expression.swift:5:1: [1;33mwarning: [1;39msafely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'Cassowary'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
 [0;36m3 |[0;0m
 [0;36m4 |[0;0m @_implementationOnly
 [0;36m5 |[0;0m import OrderedCollections
   [0;36m|[0;0m `- [1;33mwarning: [1;39msafely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'Cassowary'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
 [0;36m6 |[0;0m
 [0;36m7 |[0;0m public struct Expression {
/host/spi-builder-workspace/Sources/Cassowary/Row.swift:5:1: [1;33mwarning: [1;39msafely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'Cassowary'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
  [0;36m3 |[0;0m
  [0;36m4 |[0;0m @_implementationOnly
  [0;36m5 |[0;0m import OrderedCollections
    [0;36m|[0;0m `- [1;33mwarning: [1;39msafely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'Cassowary'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
  [0;36m6 |[0;0m
  [0;36m7 |[0;0m internal class Row {
[#ImplementationOnlyDeprecated]: <https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated>
[52 / 57] Cassowary
[53 / 58] Cassowary
/host/spi-builder-workspace/Sources/Cassowary/Expression.swift:5:1: [1;33mwarning: [1;39msafely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'Cassowary'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
 [0;36m3 |[0;0m
 [0;36m4 |[0;0m @_implementationOnly
 [0;36m5 |[0;0m import OrderedCollections
   [0;36m|[0;0m `- [1;33mwarning: [1;39msafely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'Cassowary'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
 [0;36m6 |[0;0m
 [0;36m7 |[0;0m public struct Expression {
/host/spi-builder-workspace/Sources/Cassowary/Row.swift:5:1: [1;33mwarning: [1;39msafely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'Cassowary'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
  [0;36m3 |[0;0m
  [0;36m4 |[0;0m @_implementationOnly
  [0;36m5 |[0;0m import OrderedCollections
    [0;36m|[0;0m `- [1;33mwarning: [1;39msafely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'Cassowary'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
  [0;36m6 |[0;0m
  [0;36m7 |[0;0m internal class Row {
[#ImplementationOnlyDeprecated]: <https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated>
[55 / 58] Cassowary
error: unknown argument: '-shared'
error: Ld /host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32/libcassowary.wasm normal failed with a nonzero exit code. Command line:     cd /host/spi-builder-workspace
    /usr/bin/swiftc -target wasm32-unknown-wasip1 -shared -emit-library -sysroot /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk -sdk /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk -Xclang-linker -resource-dir -Xclang-linker /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/clang -resource-dir /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static -L/host/spi-builder-workspace/.build/out/Intermediates.noindex/EagerLinkingTBDs/Debug-webassembly-wasm32 -L/host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32 @/host/spi-builder-workspace/.build/out/Intermediates.noindex/cassowary.build/Debug-webassembly-wasm32/cassowary-product-t.build/Objects-normal/wasm32/cassowary.LinkFileList -Xlinker --gc-sections -Xclang-linker -rdynamic -L/usr/lib/swift -static-stdlib @/host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32/Cassowary.objlib/args.resp @/host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32/OrderedCollections.objlib/args.resp -o /host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32/libcassowary.wasm
error: Build failed
BUILD FAILURE 6.4 wasm