Swift Package IndexBuild Information
Failed to build swift-cactus, reference 2.4.0 (89d3cb), with Swift 6.2 for Wasm on 21 Apr 2026 15:55:38 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/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-6.2-latest swift build --swift-sdk swift-6.2-RELEASE_wasm 2>&1Build Log
========================================
RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
========================================
Clone URL: https://github.com/mhayes853/swift-cactus.git
Reference: 2.4.0
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/mhayes853/swift-cactus
* tag 2.4.0 -> FETCH_HEAD
HEAD is now at 89d3cbe Merge pull request #140 from mhayes853/engine-v1.14
Cloned https://github.com/mhayes853/swift-cactus.git
Revision (git rev-parse @):
89d3cbe620138d140fb82d55e8fa6f2ec6efe4cb
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/mhayes853/swift-cactus.git at 2.4.0
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.2
Building package at path: $PWD
https://github.com/mhayes853/swift-cactus.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.2-latest swift build --swift-sdk swift-6.2-RELEASE_wasm 2>&1
wasm-6.2-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:2a8b2d9e022a9894c61e0736af7cdaa1ee64c002dbb133a55c0d7e8980b3ad16
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.2-latest
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Computing version for https://github.com/vapor-community/Zip
Computed https://github.com/vapor-community/Zip at 2.2.7 (9.84s)
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Computed https://github.com/swiftlang/swift-syntax at 602.0.0 (2.93s)
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Computed https://github.com/mhayes853/swift-operation at 0.5.0 (0.58s)
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Computed https://github.com/apple/swift-atomics at 1.3.0 (3.97s)
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Computed https://github.com/pointfreeco/swift-sharing at 2.8.0 (0.44s)
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Computing version for https://github.com/pointfreeco/swift-concurrency-extras
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Computed https://github.com/pointfreeco/swift-dependencies at 1.12.0 (0.50s)
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Computed https://github.com/pointfreeco/swift-clocks at 1.0.6 (0.87s)
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Computed https://github.com/apple/swift-collections at 1.4.1 (0.68s)
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Computed https://github.com/swiftwasm/JavaScriptKit at 0.50.2 (1.68s)
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Working copy of https://github.com/pointfreeco/swift-clocks resolved at 1.0.6
Creating working copy for https://github.com/swiftlang/swift-docc-plugin
Working copy of https://github.com/swiftlang/swift-docc-plugin resolved at 1.4.6
Creating working copy for https://github.com/pointfreeco/swift-identified-collections
Working copy of https://github.com/pointfreeco/swift-identified-collections resolved at 1.1.1
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Working copy of https://github.com/pointfreeco/swift-sharing resolved at 2.8.0
Creating working copy for https://github.com/pointfreeco/swift-snapshot-testing
Working copy of https://github.com/pointfreeco/swift-snapshot-testing resolved at 1.19.2
Creating working copy for https://github.com/pointfreeco/combine-schedulers
Working copy of https://github.com/pointfreeco/combine-schedulers resolved at 1.2.0
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Working copy of https://github.com/vapor-community/Zip resolved at 2.2.7
Creating working copy for https://github.com/pointfreeco/xctest-dynamic-overlay
Working copy of https://github.com/pointfreeco/xctest-dynamic-overlay resolved at 1.9.0
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Working copy of https://github.com/pointfreeco/swift-custom-dump resolved at 1.5.0
Creating working copy for https://github.com/pointfreeco/swift-macro-testing
Working copy of https://github.com/pointfreeco/swift-macro-testing resolved at 0.6.5
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Working copy of https://github.com/swiftlang/swift-syntax resolved at 602.0.0
Creating working copy for https://github.com/swiftwasm/JavaScriptKit
Working copy of https://github.com/swiftwasm/JavaScriptKit resolved at 0.50.2
Creating working copy for https://github.com/pointfreeco/swift-perception
Working copy of https://github.com/pointfreeco/swift-perception resolved at 2.0.10
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Working copy of https://github.com/apple/swift-collections resolved at 1.4.1
Creating working copy for https://github.com/pointfreeco/swift-concurrency-extras
Working copy of https://github.com/pointfreeco/swift-concurrency-extras resolved at 1.3.2
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
Creating working copy for https://github.com/mhayes853/swift-operation
Working copy of https://github.com/mhayes853/swift-operation resolved at 0.5.0
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/602.0.0/swift-6.2-RELEASE-MacroSupport-ubuntu_jammy_x86_64.tar.gz
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[1/1] Compiling plugin Swift-DocC Preview
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[3/3] Compiling plugin BridgeJSCommandPlugin
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[5/5] Compiling plugin PackageToJS
Building for debugging...
[5/40] Write sources
/host/spi-builder-workspace/.build/checkouts/Zip/Sources/CMinizip/zip.c:25:10: fatal error: 'zlib.h' file not found
25 | #include "zlib.h"
| ^~~~~~~~
1 error generated.
[20/40] Compiling CMinizip zip.c
[20/40] Compiling CMinizip unzip.c
[20/40] Compiling CMinizip ioapi.c
[20/40] Compiling CMinizip zip.c
In file included from /host/spi-builder-workspace/.build/checkouts/Zip/Sources/CMinizip/ioapi.c:24:
/host/spi-builder-workspace/.build/checkouts/Zip/Sources/CMinizip/include/ioapi.h:23:10: fatal error: 'zlib.h' file not found
23 | #include "zlib.h"
| ^~~~~~~~
1 error generated.
[20/40] Compiling CMinizip ioapi.c
[20/40] Compiling CMinizip crypt.c
/host/spi-builder-workspace/.build/checkouts/Zip/Sources/CMinizip/unzip.c:27:10: fatal error: 'zlib.h' file not found
27 | #include "zlib.h"
| ^~~~~~~~
[20/40] Compiling CMinizip unzip.c
[20/40] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.2 wasm