Swift Package IndexBuild Information
Failed to build swifty-holidays, reference 2.12.0 (b9a7d5), with Swift 6.1 for Wasm on 26 Mar 2026 03:47:29 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-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.69.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/sersoft-gmbh/swifty-holidays.git
Reference: 2.12.0
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/sersoft-gmbh/swifty-holidays
* tag 2.12.0 -> FETCH_HEAD
HEAD is now at b9a7d51 Add support for Swift 6.3
Cloned https://github.com/sersoft-gmbh/swifty-holidays.git
Revision (git rev-parse @):
b9a7d518ab0c7b9d832cd8386ac4b73459d45762
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/sersoft-gmbh/swifty-holidays.git at 2.12.0
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.1
Building package at path: $PWD
https://github.com/sersoft-gmbh/swifty-holidays.git
https://github.com/sersoft-gmbh/swifty-holidays.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
"dependencies" : [
{
"identity" : "swift-docc-plugin",
"requirement" : {
"range" : [
{
"lower_bound" : "1.0.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-docc-plugin"
}
],
"manifest_display_name" : "swifty-holidays",
"name" : "swifty-holidays",
"path" : "/host/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.13"
},
{
"name" : "ios",
"version" : "12.0"
},
{
"name" : "tvos",
"version" : "12.0"
},
{
"name" : "watchos",
"version" : "4.0"
},
{
"name" : "visionos",
"version" : "1.0"
}
],
"products" : [
{
"name" : "SwiftyHolidays",
"targets" : [
"SwiftyHolidays"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "SwiftyHolidaysTests",
"module_type" : "SwiftTarget",
"name" : "SwiftyHolidaysTests",
"path" : "Tests/SwiftyHolidaysTests",
"sources" : [
"CalculationContextReferenceTests.swift",
"CalculatorTests.swift",
"Gregorian/GregorianCalculatorTests.swift",
"Gregorian/GregorianContextTests.swift",
"HolidayDateTests.swift"
],
"target_dependencies" : [
"SwiftyHolidays"
],
"type" : "test"
},
{
"c99name" : "SwiftyHolidays",
"module_type" : "SwiftTarget",
"name" : "SwiftyHolidays",
"path" : "Sources/SwiftyHolidays",
"product_memberships" : [
"SwiftyHolidays"
],
"sources" : [
"CalculationContext.swift",
"CalculationContextReference.swift",
"Calculator.swift",
"Gregorian/GregorianCalculator.swift",
"Gregorian/GregorianContext.swift",
"HolidayDate.swift"
],
"type" : "library"
}
],
"tools_version" : "6.2"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-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 swiftpackageindex/spi-images
Digest: sha256:c3bd0c8eb125dea46564a1eb8b09ee779ba7ae350b1ee58b5e9d6ff6c39cef37
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
Fetching https://github.com/apple/swift-docc-plugin
[1/2171] Fetching swift-docc-plugin
Fetched https://github.com/apple/swift-docc-plugin from cache (0.44s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.4.6 (4.58s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3671] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (1.05s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (1.83s)
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/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.4.6
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
Building for debugging...
[2/4] Write sources
[3/4] Write swift-version-24593BA9C3E375BF.txt
[5/11] Compiling SwiftyHolidays GregorianContext.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/SwiftyHolidays/CalculationContextReference.swift:1:20: error: no such module 'Dispatch'
1 | fileprivate import Dispatch
| `- error: no such module 'Dispatch'
2 |
3 | /// Encapsulates a by-reference relation to a given context.
[6/11] Compiling SwiftyHolidays HolidayDate.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/SwiftyHolidays/CalculationContextReference.swift:1:20: error: no such module 'Dispatch'
1 | fileprivate import Dispatch
| `- error: no such module 'Dispatch'
2 |
3 | /// Encapsulates a by-reference relation to a given context.
error: emit-module command failed with exit code 1 (use -v to see invocation)
[7/11] Emitting module SwiftyHolidays
<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/SwiftyHolidays/CalculationContextReference.swift:1:20: error: no such module 'Dispatch'
1 | fileprivate import Dispatch
| `- error: no such module 'Dispatch'
2 |
3 | /// Encapsulates a by-reference relation to a given context.
[8/11] Compiling SwiftyHolidays Calculator.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/SwiftyHolidays/CalculationContextReference.swift:1:20: error: no such module 'Dispatch'
1 | fileprivate import Dispatch
| `- error: no such module 'Dispatch'
2 |
3 | /// Encapsulates a by-reference relation to a given context.
[9/11] Compiling SwiftyHolidays GregorianCalculator.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/SwiftyHolidays/CalculationContextReference.swift:1:20: error: no such module 'Dispatch'
1 | fileprivate import Dispatch
| `- error: no such module 'Dispatch'
2 |
3 | /// Encapsulates a by-reference relation to a given context.
[10/11] Compiling SwiftyHolidays CalculationContext.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/SwiftyHolidays/CalculationContextReference.swift:1:20: error: no such module 'Dispatch'
1 | fileprivate import Dispatch
| `- error: no such module 'Dispatch'
2 |
3 | /// Encapsulates a by-reference relation to a given context.
[11/11] Compiling SwiftyHolidays CalculationContextReference.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/SwiftyHolidays/CalculationContextReference.swift:1:20: error: no such module 'Dispatch'
1 | fileprivate import Dispatch
| `- error: no such module 'Dispatch'
2 |
3 | /// Encapsulates a by-reference relation to a given context.
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-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:c3bd0c8eb125dea46564a1eb8b09ee779ba7ae350b1ee58b5e9d6ff6c39cef37
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
[0/1] Planning build
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
Building for debugging...
[2/3] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[4/10] Emitting module SwiftyHolidays
/host/spi-builder-workspace/Sources/SwiftyHolidays/CalculationContextReference.swift:1:20: error: no such module 'Dispatch'
1 | fileprivate import Dispatch
| `- error: no such module 'Dispatch'
2 |
3 | /// Encapsulates a by-reference relation to a given context.
[5/10] Compiling SwiftyHolidays CalculationContext.swift
/host/spi-builder-workspace/Sources/SwiftyHolidays/CalculationContextReference.swift:1:20: error: no such module 'Dispatch'
1 | fileprivate import Dispatch
| `- error: no such module 'Dispatch'
2 |
3 | /// Encapsulates a by-reference relation to a given context.
[6/10] Compiling SwiftyHolidays HolidayDate.swift
/host/spi-builder-workspace/Sources/SwiftyHolidays/CalculationContextReference.swift:1:20: error: no such module 'Dispatch'
1 | fileprivate import Dispatch
| `- error: no such module 'Dispatch'
2 |
3 | /// Encapsulates a by-reference relation to a given context.
[7/10] Compiling SwiftyHolidays CalculationContextReference.swift
/host/spi-builder-workspace/Sources/SwiftyHolidays/CalculationContextReference.swift:1:20: error: no such module 'Dispatch'
1 | fileprivate import Dispatch
| `- error: no such module 'Dispatch'
2 |
3 | /// Encapsulates a by-reference relation to a given context.
[8/10] Compiling SwiftyHolidays Calculator.swift
/host/spi-builder-workspace/Sources/SwiftyHolidays/CalculationContextReference.swift:1:20: error: no such module 'Dispatch'
1 | fileprivate import Dispatch
| `- error: no such module 'Dispatch'
2 |
3 | /// Encapsulates a by-reference relation to a given context.
[9/10] Compiling SwiftyHolidays GregorianCalculator.swift
/host/spi-builder-workspace/Sources/SwiftyHolidays/CalculationContextReference.swift:1:20: error: no such module 'Dispatch'
1 | fileprivate import Dispatch
| `- error: no such module 'Dispatch'
2 |
3 | /// Encapsulates a by-reference relation to a given context.
[10/10] Compiling SwiftyHolidays GregorianContext.swift
/host/spi-builder-workspace/Sources/SwiftyHolidays/CalculationContextReference.swift:1:20: error: no such module 'Dispatch'
1 | fileprivate import Dispatch
| `- error: no such module 'Dispatch'
2 |
3 | /// Encapsulates a by-reference relation to a given context.
BUILD FAILURE 6.1 wasm