Swift Package IndexBuild Information
Failed to build Yams, reference 6.2.1 (deaf82), with Swift 6.3 for Wasm on 18 Apr 2026 11:02:06 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/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/jpsim/Yams.git
Reference: 6.2.1
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/jpsim/Yams
* tag 6.2.1 -> FETCH_HEAD
HEAD is now at deaf82e Release 6.2.1
Cloned https://github.com/jpsim/Yams.git
Revision (git rev-parse @):
deaf82e867fa2cbd3cd865978b079bfcf384ac28
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/jpsim/Yams.git at 6.2.1
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Build
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Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/jpsim/Yams.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$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
Building for debugging...
[0/8] Write sources
[1/8] Compiling reader.c
[2/8] Compiling writer.c
[3/8] Compiling parser.c
[4/8] Compiling api.c
[5/8] Compiling emitter.c
[6/8] Write swift-version-24593BA9C3E375BF.txt
[7/8] Compiling scanner.c
[9/28] Emitting module Yams
[10/30] Compiling Yams Tag.swift
[11/30] Compiling Yams YamlAnchorProviding.swift
[12/30] Compiling Yams Mark.swift
[13/30] Compiling Yams Node.Alias.swift
[14/30] Compiling Yams Node.Mapping.swift
[15/30] Compiling Yams Node.Scalar.swift
[16/30] Compiling Yams Node.Sequence.swift
[17/30] Compiling Yams Node.swift
[18/30] Compiling Yams YamlError.swift
[19/30] Compiling Yams YamlTagProviding.swift
[20/30] Compiling Yams Resolver.swift
[21/30] Compiling Yams String+Yams.swift
[22/30] Compiling Yams Parser.swift
/host/spi-builder-workspace/Sources/Yams/Representer.swift:338:45: error: cannot find 'DBL_DECIMAL_DIG' in scope
336 | // Since `NumberFormatter` creates a string with insufficient precision for Decode,
337 | // it uses with `String(format:...)`
338 | let string = String(format: "%.*g", DBL_DECIMAL_DIG, self)
| `- error: cannot find 'DBL_DECIMAL_DIG' in scope
339 | // "%*.g" does not use scientific notation if the exponent is less than –4.
340 | // So fallback to using `NumberFormatter` if string does not uses scientific notation.
[23/30] Compiling Yams RedundancyAliasingStrategy.swift
/host/spi-builder-workspace/Sources/Yams/Representer.swift:338:45: error: cannot find 'DBL_DECIMAL_DIG' in scope
336 | // Since `NumberFormatter` creates a string with insufficient precision for Decode,
337 | // it uses with `String(format:...)`
338 | let string = String(format: "%.*g", DBL_DECIMAL_DIG, self)
| `- error: cannot find 'DBL_DECIMAL_DIG' in scope
339 | // "%*.g" does not use scientific notation if the exponent is less than –4.
340 | // So fallback to using `NumberFormatter` if string does not uses scientific notation.
[24/30] Compiling Yams Representer.swift
/host/spi-builder-workspace/Sources/Yams/Representer.swift:338:45: error: cannot find 'DBL_DECIMAL_DIG' in scope
336 | // Since `NumberFormatter` creates a string with insufficient precision for Decode,
337 | // it uses with `String(format:...)`
338 | let string = String(format: "%.*g", DBL_DECIMAL_DIG, self)
| `- error: cannot find 'DBL_DECIMAL_DIG' in scope
339 | // "%*.g" does not use scientific notation if the exponent is less than –4.
340 | // So fallback to using `NumberFormatter` if string does not uses scientific notation.
[25/30] Compiling Yams AliasDereferencingStrategy.swift
[26/30] Compiling Yams Anchor.swift
[27/30] Compiling Yams Constructor.swift
[28/30] Compiling Yams Decoder.swift
[29/30] Compiling Yams Emitter.swift
[30/30] Compiling Yams Encoder.swift
BUILD FAILURE 6.3 wasm