Swift Package IndexBuild Information
Failed to build Rester, reference main (9015e6), with Swift 6.3 for Wasm on 12 Apr 2026 18:09:14 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
========================================
RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
========================================
Clone URL: https://github.com/finestructure/Rester.git
Reference: main
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/finestructure/Rester
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 9015e6f Merge pull request #108 from finestructure/pretty-print-log-json
Cloned https://github.com/finestructure/Rester.git
Revision (git rev-parse @):
9015e6fcffc8b1bd45fad82b38522700439d23f5
SUCCESS checkout https://github.com/finestructure/Rester.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/finestructure/Rester.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$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/onevcat/Rainbow.git
Fetching https://github.com/mxcl/LegibleError.git
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Computing version for https://github.com/jpsim/Yams.git
Computed https://github.com/jpsim/Yams.git at 2.0.0 (3.39s)
Computing version for https://github.com/crossroadlabs/Regex.git
Computed https://github.com/crossroadlabs/Regex.git at 1.2.0 (2.52s)
Computing version for https://github.com/finestructure/ValueCodable
Computed https://github.com/finestructure/ValueCodable at 0.2.0 (3.28s)
Computing version for https://github.com/pointfreeco/swift-gen.git
Computed https://github.com/pointfreeco/swift-gen.git at 0.5.0 (0.52s)
Computing version for https://github.com/mxcl/LegibleError.git
Computed https://github.com/mxcl/LegibleError.git at 1.0.6 (3.23s)
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Computed https://github.com/onevcat/Rainbow.git at 3.2.0 (1.10s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.7.1 (1.01s)
Computing version for https://github.com/mxcl/Path.swift.git
Computed https://github.com/mxcl/Path.swift.git at 0.16.3 (3.75s)
Computing version for https://github.com/pointfreeco/swift-snapshot-testing.git
Computed https://github.com/pointfreeco/swift-snapshot-testing.git at 1.19.2 (1.23s)
Fetching https://github.com/pointfreeco/swift-custom-dump
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Computing version for https://github.com/pointfreeco/swift-custom-dump
Computed https://github.com/pointfreeco/swift-custom-dump at 1.5.0 (6.47s)
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Creating working copy for https://github.com/swiftlang/swift-syntax
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Working copy of https://github.com/pointfreeco/swift-gen.git resolved at 0.5.0
Creating working copy for https://github.com/crossroadlabs/Regex.git
Working copy of https://github.com/crossroadlabs/Regex.git resolved at 1.2.0
Creating working copy for https://github.com/mxcl/Path.swift.git
Working copy of https://github.com/mxcl/Path.swift.git resolved at 0.16.3
Creating working copy for https://github.com/onevcat/Rainbow.git
Working copy of https://github.com/onevcat/Rainbow.git resolved at 3.2.0
Creating working copy for https://github.com/finestructure/ValueCodable
Working copy of https://github.com/finestructure/ValueCodable resolved at 0.2.0
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.7.1
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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/xctest-dynamic-overlay
Working copy of https://github.com/pointfreeco/xctest-dynamic-overlay resolved at 1.9.0
Creating working copy for https://github.com/mxcl/LegibleError.git
Working copy of https://github.com/mxcl/LegibleError.git resolved at 1.0.6
Creating working copy for https://github.com/jpsim/Yams.git
Working copy of https://github.com/jpsim/Yams.git resolved at 2.0.0
Creating working copy for https://github.com/pointfreeco/swift-snapshot-testing.git
Working copy of https://github.com/pointfreeco/swift-snapshot-testing.git resolved at 1.19.2
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/603.0.0/swift-6.3-RELEASE-ubuntu_jammy_x86_64-MacroSupport.tar.gz
Downloaded https://download.swift.org/prebuilts/swift-syntax/603.0.0/swift-6.3-RELEASE-ubuntu_jammy_x86_64-MacroSupport.tar.gz (0.61s)
[1/1] Compiling plugin GenerateManual
[2/2] Compiling plugin GenerateDoccReference
Building for debugging...
[2/33] Write sources
[13/33] Compiling writer.c
[14/33] Compiling reader.c
[15/33] Compiling api.c
[16/33] Write swift-version-24593BA9C3E375BF.txt
[17/33] Compiling parser.c
[18/34] Compiling emitter.c
[19/75] Compiling scanner.c
[21/90] Emitting module ValueCodable
[22/90] Compiling Gen UIKit.swift
[23/90] Emitting module Rainbow
[24/91] Compiling Regex String+Regex.swift
[25/92] Compiling Yams Mark.swift
[26/92] Compiling Yams Node.Mapping.swift
[27/94] Compiling Rainbow Style.swift
[28/94] Compiling Gen Xoshiro.swift
[29/94] Emitting module Gen
[30/94] Compiling Gen LCRNG.swift
[31/94] Compiling Rainbow String+Rainbow.swift
[32/94] Compiling Rainbow StringGenerator.swift
[33/94] Compiling Gen Zip.swift
[34/94] Compiling Rainbow XcodeColorsSupport.swift
[35/94] Compiling ArgumentParserToolInfo ToolInfo.swift
[36/94] Emitting module ArgumentParserToolInfo
[38/95] Compiling Gen AnyRandomNumberGenerator.swift
[39/95] Compiling Gen Gen.swift
[41/96] Compiling Yams YamlError.swift
[42/96] Compiling Yams shim.swift
[42/96] Wrapping AST for Gen for debugging
[43/96] Wrapping AST for ArgumentParserToolInfo for debugging
[45/142] Compiling ArgumentParser ExpressibleByArgument.swift
[46/142] Compiling ArgumentParser ParsableArguments.swift
[47/142] Compiling Path Path->Bool.swift
/host/spi-builder-workspace/.build/checkouts/Path.swift/Sources/Path->Bool.swift:5:8: error: no such module 'Darwin'
3 | import func Glibc.access
4 | #else
5 | import Darwin
| `- error: no such module 'Darwin'
6 | #endif
7 |
[48/143] Compiling Rainbow Rainbow.swift
[49/143] Compiling ValueCodable Value.swift
[50/143] Compiling Regex Utils.swift
[51/143] Compiling ValueCodable Utils.swift
[52/143] Compiling ArgumentParser CommandGroup.swift
/host/spi-builder-workspace/.build/checkouts/Yams/Sources/Yams/Representer.swift:297:45: error: cannot find 'DBL_DECIMAL_DIG' in scope
295 | // Since `NumberFormatter` creates a string with insufficient precision for Decode,
296 | // it uses with `String(format:...)`
297 | let string = String(format: "%.*g", DBL_DECIMAL_DIG, self)
| `- error: cannot find 'DBL_DECIMAL_DIG' in scope
298 | // "%*.g" does not use scientific notation if the exponent is less than –4.
299 | // So fallback to using `NumberFormatter` if string does not uses scientific notation.
[53/143] Compiling ArgumentParser EnumerableFlag.swift
/host/spi-builder-workspace/.build/checkouts/Yams/Sources/Yams/Representer.swift:297:45: error: cannot find 'DBL_DECIMAL_DIG' in scope
295 | // Since `NumberFormatter` creates a string with insufficient precision for Decode,
296 | // it uses with `String(format:...)`
297 | let string = String(format: "%.*g", DBL_DECIMAL_DIG, self)
| `- error: cannot find 'DBL_DECIMAL_DIG' in scope
298 | // "%*.g" does not use scientific notation if the exponent is less than –4.
299 | // So fallback to using `NumberFormatter` if string does not uses scientific notation.
error: emit-module command failed with exit code 1 (use -v to see invocation)
[55/144] Emitting module Path
/host/spi-builder-workspace/.build/checkouts/Path.swift/Sources/Path->Bool.swift:5:8: error: no such module 'Darwin'
3 | import func Glibc.access
4 | #else
5 | import Darwin
| `- error: no such module 'Darwin'
6 | #endif
7 |
[56/144] Compiling Path Path+FileManager.swift
/host/spi-builder-workspace/.build/checkouts/Path.swift/Sources/Path->Bool.swift:5:8: error: no such module 'Darwin'
3 | import func Glibc.access
4 | #else
5 | import Darwin
| `- error: no such module 'Darwin'
6 | #endif
7 |
[57/144] Emitting module LegibleError
[58/144] Compiling LegibleError LegibleError.swift
/host/spi-builder-workspace/.build/checkouts/LegibleError/Sources/LegibleError.swift:63:45: error: cannot find 'object_getClassName' in scope
61 | let foo: Any = self
62 | let nativeClassNames = ["_SwiftNativeNSError", "__SwiftNativeNSError"]
63 | let selfClassName = String(cString: object_getClassName(self))
| `- error: cannot find 'object_getClassName' in scope
64 | let isNSError = !nativeClassNames.contains(selfClassName) && foo is NSObject
65 | // ^^ ∵ otherwise implicit bridging implicitly casts as for other tests
[59/144] Compiling ArgumentParser ArgumentVisibility.swift
[60/144] Compiling ArgumentParser CompletionKind.swift
[60/144] Wrapping AST for ValueCodable for debugging
[63/144] Compiling ArgumentParser Errors.swift
[64/144] Compiling ArgumentParser Flag.swift
[65/144] Compiling ArgumentParser NameSpecification.swift
[66/144] Compiling ArgumentParser Option.swift
[67/144] Emitting module Regex
[68/144] Emitting module Yams
error: cancelled
BUILD FAILURE 6.3 wasm