Swift Package IndexBuild Information
Failed to build Formic, reference 0.3.0 (ff3048), with Swift 6.4 for Wasm on 21 Sep 2026 22:33:15 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344843-1":/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>&1Build Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/heckj/formic.git
Reference: 0.3.0
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/heckj/formic
* tag 0.3.0 -> FETCH_HEAD
HEAD is now at ff3048d clean up package.swift formatting with swift-format
Cloned https://github.com/heckj/formic.git
Revision (git rev-parse @):
ff3048d32ae44f748da991fdfca1c86bec3bcaed
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/heckj/formic.git at 0.3.0
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.4
Building package at path: $PWD
https://github.com/heckj/formic.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344843-1":/host -w "$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-async-dns-resolver
Fetching https://github.com/apple/swift-log.git
Fetching https://github.com/swiftlang/swift-format.git
Fetching https://github.com/neallester/swift-log-testing.git
Fetching https://github.com/pointfreeco/swift-dependencies
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Computing version for https://github.com/neallester/swift-log-testing.git
Computed https://github.com/neallester/swift-log-testing.git at 0.0.1 (4.68s)
Computing version for https://github.com/swiftlang/swift-format.git
Computed https://github.com/swiftlang/swift-format.git at 600.0.0 (0.22s)
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Computing version for https://github.com/swiftlang/swift-syntax.git
Computed https://github.com/swiftlang/swift-syntax.git at 600.0.1 (3.23s)
Computing version for https://github.com/pointfreeco/swift-parsing
Computed https://github.com/pointfreeco/swift-parsing at 0.15.2 (0.19s)
Fetching https://github.com/pointfreeco/swift-case-paths
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Computing version for https://github.com/pointfreeco/swift-case-paths
Computed https://github.com/pointfreeco/swift-case-paths at 1.10.0 (1.66s)
Fetching https://github.com/pointfreeco/swift-issue-reporting
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Fetched https://github.com/pointfreeco/swift-issue-reporting (0.91s)
Computing version for https://github.com/pointfreeco/swift-issue-reporting
Computed https://github.com/pointfreeco/swift-issue-reporting at 2.1.0 (1.15s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.8.2 (0.17s)
Computing version for https://github.com/apple/swift-markdown.git
Computed https://github.com/apple/swift-markdown.git at 0.9.0 (0.22s)
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Computing version for https://github.com/apple/swift-async-dns-resolver
Computed https://github.com/apple/swift-async-dns-resolver at 0.8.0 (0.23s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.15.1 (0.19s)
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Computed https://github.com/pointfreeco/swift-dependencies at 1.17.1 (0.21s)
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Fetched https://github.com/pointfreeco/swift-concurrency-extras (0.47s)
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Fetched https://github.com/pointfreeco/swift-clocks (0.54s)
Computing version for https://github.com/pointfreeco/swift-clocks
Computed https://github.com/pointfreeco/swift-clocks at 1.1.1 (0.73s)
Computing version for https://github.com/pointfreeco/combine-schedulers
Computed https://github.com/pointfreeco/combine-schedulers at 1.2.2 (0.19s)
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Computing version for https://github.com/pointfreeco/swift-concurrency-extras
Computed https://github.com/pointfreeco/swift-concurrency-extras at 1.4.1 (0.18s)
Creating working copy for https://github.com/pointfreeco/swift-parsing
Working copy of https://github.com/pointfreeco/swift-parsing resolved at 0.15.2
Creating working copy for https://github.com/swiftlang/swift-syntax.git
Working copy of https://github.com/swiftlang/swift-syntax.git resolved at 600.0.1
Creating working copy for https://github.com/neallester/swift-log-testing.git
Working copy of https://github.com/neallester/swift-log-testing.git resolved at 0.0.1
Creating working copy for https://github.com/apple/swift-markdown.git
Working copy of https://github.com/apple/swift-markdown.git resolved at 0.9.0
Creating working copy for https://github.com/pointfreeco/combine-schedulers
Working copy of https://github.com/pointfreeco/combine-schedulers resolved at 1.2.2
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Working copy of https://github.com/apple/swift-argument-parser.git resolved at 1.8.2
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Working copy of https://github.com/apple/swift-log.git resolved at 1.15.1
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Working copy of https://github.com/pointfreeco/swift-case-paths resolved at 1.10.0
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Working copy of https://github.com/pointfreeco/swift-dependencies resolved at 1.17.1
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Working copy of https://github.com/swiftlang/swift-cmark.git resolved at 0.9.0
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Working copy of https://github.com/OpenCombine/OpenCombine.git resolved at 0.14.0
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Working copy of https://github.com/pointfreeco/swift-concurrency-extras resolved at 1.4.1
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Working copy of https://github.com/apple/swift-async-dns-resolver resolved at 0.8.0
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Working copy of https://github.com/pointfreeco/swift-issue-reporting resolved at 2.1.0
Creating working copy for https://github.com/swiftlang/swift-format.git
Working copy of https://github.com/swiftlang/swift-format.git resolved at 600.0.0
Creating working copy for https://github.com/pointfreeco/swift-clocks
Working copy of https://github.com/pointfreeco/swift-clocks resolved at 1.1.1
Building for debugging...
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[Starting]
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[268 / 528] AsyncDNSResolver
[275 / 547] CAsyncDNSResolver
[1m/host/spi-builder-workspace/.build/checkouts/swift-async-dns-resolver/Sources/CAsyncDNSResolver/c-ares/src/lib/ares_update_servers.c:40:12: [0m[0;1;31mfatal error: [0m[1m'net/if.h' file not found[0m
40 | # include <net/[0;34mif[0m.h>[0m
| [0;1;32m ^~~~~~~~~~
[0m1 error generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-async-dns-resolver.build/Debug-webassembly-wasm32/CAsyncDNSResolver-t.build/Objects-normal/wasm32/ares_update_servers.o /host/spi-builder-workspace/.build/checkouts/swift-async-dns-resolver/Sources/CAsyncDNSResolver/c-ares/src/lib/ares_update_servers.c normal wasm32 c com.apple.compilers.llvm.clang.1_0.compiler failed with a nonzero exit code. Command line: cd /host
Using response file: /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-async-dns-resolver.build/Debug-webassembly-wasm32/CAsyncDNSResolver-t.build/Objects-normal/wasm32/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp
/usr/bin/clang -x c -target wasm32-unknown-wasip1 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -fcolor-diagnostics -Wno-trigraphs -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -w -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wpointer-sign -Wno-newline-eof -Wno-implicit-fallthrough -fstrict-aliasing -Wdeprecated-declarations -Wno-sign-conversion -Wno-infinite-recursion -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-semicolon-before-method-body --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 @/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-async-dns-resolver.build/Debug-webassembly-wasm32/CAsyncDNSResolver-t.build/Objects-normal/wasm32/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp -MMD -MT dependencies -MF /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-async-dns-resolver.build/Debug-webassembly-wasm32/CAsyncDNSResolver-t.build/Objects-normal/wasm32/ares_update_servers.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-async-dns-resolver.build/Debug-webassembly-wasm32/CAsyncDNSResolver-t.build/Objects-normal/wasm32/ares_update_servers.dia -c /host/spi-builder-workspace/.build/checkouts/swift-async-dns-resolver/Sources/CAsyncDNSResolver/c-ares/src/lib/ares_update_servers.c -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-async-dns-resolver.build/Debug-webassembly-wasm32/CAsyncDNSResolver-t.build/Objects-normal/wasm32/ares_update_servers.o
error: Build failed
BUILD FAILURE 6.4 wasm