Swift Package IndexBuild Information
Failed to build Yams, reference 6.2.2 (a27b21), with Swift 6.1 for Wasm on 26 Jun 2026 18:04:56 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-53886768-0":/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-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1Build Log
========================================
RunAll
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Builder version: 0e64495ecc1688c3b3e031a5ef1348b5c05091ae
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/jpsim/Yams.git
Reference: 6.2.2
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/jpsim/Yams
* tag 6.2.2 -> FETCH_HEAD
HEAD is now at a27b21e Release 6.2.2
Cloned https://github.com/jpsim/Yams.git
Revision (git rev-parse @):
a27b21e0c81c5bf42049b897a62aaf387e80f279
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/jpsim/Yams.git at 6.2.2
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.1
Building package at path: $PWD
https://github.com/jpsim/Yams.git
https://github.com/jpsim/Yams.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886768-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
wasm-6.1-latest: Pulling from saguaro1/spi-images
Digest: sha256:1ad245dad3d2ae0004e1afbc92334bd39884ed9ca587cf04d0a8d5f640fb02e9
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.1-latest
Building for debugging...
[0/8] Write sources
[1/8] Compiling writer.c
[2/8] Compiling reader.c
[3/8] Compiling parser.c
[4/8] Compiling api.c
[5/8] Compiling emitter.c
[6/8] Compiling scanner.c
[7/8] Write swift-version-24593BA9C3E375BF.txt
[9/28] Emitting module Yams
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[10/30] Compiling Yams Tag.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[11/30] Compiling Yams YamlAnchorProviding.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[12/30] Compiling Yams YamlError.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[13/30] Compiling Yams YamlTagProviding.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[14/30] Compiling Yams Resolver.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[15/30] Compiling Yams String+Yams.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[16/30] Compiling Yams AliasDereferencingStrategy.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[17/30] Compiling Yams Anchor.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[18/30] Compiling Yams Constructor.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[19/30] Compiling Yams Decoder.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[20/30] Compiling Yams Emitter.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[21/30] Compiling Yams Encoder.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[22/30] Compiling Yams Node.Scalar.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[23/30] Compiling Yams Node.Sequence.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[24/30] Compiling Yams Node.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[25/30] Compiling Yams Mark.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[26/30] Compiling Yams Node.Alias.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[27/30] Compiling Yams Node.Mapping.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[28/30] Compiling Yams Parser.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/host/spi-builder-workspace/Sources/Yams/Representer.swift:342:45: error: cannot find 'DBL_DECIMAL_DIG' in scope
340 | // Since `NumberFormatter` creates a string with insufficient precision for Decode,
341 | // it uses with `String(format:...)`
342 | let string = String(format: "%.*g", DBL_DECIMAL_DIG, self)
| `- error: cannot find 'DBL_DECIMAL_DIG' in scope
343 | // "%*.g" does not use scientific notation if the exponent is less than –4.
344 | // So fallback to using `NumberFormatter` if string does not uses scientific notation.
[29/30] Compiling Yams RedundancyAliasingStrategy.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/host/spi-builder-workspace/Sources/Yams/Representer.swift:342:45: error: cannot find 'DBL_DECIMAL_DIG' in scope
340 | // Since `NumberFormatter` creates a string with insufficient precision for Decode,
341 | // it uses with `String(format:...)`
342 | let string = String(format: "%.*g", DBL_DECIMAL_DIG, self)
| `- error: cannot find 'DBL_DECIMAL_DIG' in scope
343 | // "%*.g" does not use scientific notation if the exponent is less than –4.
344 | // So fallback to using `NumberFormatter` if string does not uses scientific notation.
[30/30] Compiling Yams Representer.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/host/spi-builder-workspace/Sources/Yams/Representer.swift:342:45: error: cannot find 'DBL_DECIMAL_DIG' in scope
340 | // Since `NumberFormatter` creates a string with insufficient precision for Decode,
341 | // it uses with `String(format:...)`
342 | let string = String(format: "%.*g", DBL_DECIMAL_DIG, self)
| `- error: cannot find 'DBL_DECIMAL_DIG' in scope
343 | // "%*.g" does not use scientific notation if the exponent is less than –4.
344 | // So fallback to using `NumberFormatter` if string does not uses scientific notation.
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886768-0":/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-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.1-latest: Pulling from saguaro1/spi-images
Digest: sha256:1ad245dad3d2ae0004e1afbc92334bd39884ed9ca587cf04d0a8d5f640fb02e9
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/21] Compiling Yams Parser.swift
/host/spi-builder-workspace/Sources/Yams/Representer.swift:342:45: error: cannot find 'DBL_DECIMAL_DIG' in scope
340 | // Since `NumberFormatter` creates a string with insufficient precision for Decode,
341 | // it uses with `String(format:...)`
342 | let string = String(format: "%.*g", DBL_DECIMAL_DIG, self)
| `- error: cannot find 'DBL_DECIMAL_DIG' in scope
343 | // "%*.g" does not use scientific notation if the exponent is less than –4.
344 | // So fallback to using `NumberFormatter` if string does not uses scientific notation.
[3/21] Compiling Yams RedundancyAliasingStrategy.swift
/host/spi-builder-workspace/Sources/Yams/Representer.swift:342:45: error: cannot find 'DBL_DECIMAL_DIG' in scope
340 | // Since `NumberFormatter` creates a string with insufficient precision for Decode,
341 | // it uses with `String(format:...)`
342 | let string = String(format: "%.*g", DBL_DECIMAL_DIG, self)
| `- error: cannot find 'DBL_DECIMAL_DIG' in scope
343 | // "%*.g" does not use scientific notation if the exponent is less than –4.
344 | // So fallback to using `NumberFormatter` if string does not uses scientific notation.
[4/21] Compiling Yams Representer.swift
/host/spi-builder-workspace/Sources/Yams/Representer.swift:342:45: error: cannot find 'DBL_DECIMAL_DIG' in scope
340 | // Since `NumberFormatter` creates a string with insufficient precision for Decode,
341 | // it uses with `String(format:...)`
342 | let string = String(format: "%.*g", DBL_DECIMAL_DIG, self)
| `- error: cannot find 'DBL_DECIMAL_DIG' in scope
343 | // "%*.g" does not use scientific notation if the exponent is less than –4.
344 | // So fallback to using `NumberFormatter` if string does not uses scientific notation.
[5/21] Compiling Yams Tag.swift
[6/21] Compiling Yams YamlAnchorProviding.swift
[7/23] Compiling Yams Mark.swift
[8/23] Compiling Yams Node.Alias.swift
[9/23] Compiling Yams Node.Mapping.swift
[10/23] Compiling Yams Resolver.swift
[11/23] Compiling Yams String+Yams.swift
[12/23] Emitting module Yams
[13/23] Compiling Yams Node.Scalar.swift
[14/23] Compiling Yams Node.Sequence.swift
[15/23] Compiling Yams Node.swift
[16/23] Compiling Yams YamlError.swift
[17/23] Compiling Yams YamlTagProviding.swift
[18/23] Compiling Yams AliasDereferencingStrategy.swift
[19/23] Compiling Yams Anchor.swift
[20/23] Compiling Yams Constructor.swift
[21/23] Compiling Yams Decoder.swift
[22/23] Compiling Yams Emitter.swift
[23/23] Compiling Yams Encoder.swift
BUILD FAILURE 6.1 wasm