Swift Package IndexBuild Information
Failed to build Harmonize, reference main (40353d), with Swift 6.1 for Wasm on 4 May 2026 00:40:17 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/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: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/perrystreetsoftware/Harmonize.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/perrystreetsoftware/Harmonize
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 40353d4 [GH-7095] Update README.md (#77)
Cloned https://github.com/perrystreetsoftware/Harmonize.git
Revision (git rev-parse @):
40353d4656c90b50bb7a03467dfc19dad22b1f8a
SUCCESS checkout https://github.com/perrystreetsoftware/Harmonize.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.1
Building package at path: $PWD
https://github.com/perrystreetsoftware/Harmonize.git
https://github.com/perrystreetsoftware/Harmonize.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$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: sha256:276d66a16377d3ee059b2e3429cbc1154d9f01e42871e5d702fd5d8b9044d93d
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
Fetching https://github.com/jpsim/Yams.git
Fetching https://github.com/swiftlang/swift-syntax.git
[1/11551] Fetching yams
[2658/86590] Fetching yams, swift-syntax
Fetched https://github.com/jpsim/Yams.git from cache (2.61s)
[52528/75039] Fetching swift-syntax
Fetched https://github.com/swiftlang/swift-syntax.git from cache (9.78s)
Computing version for https://github.com/swiftlang/swift-syntax.git
Computed https://github.com/swiftlang/swift-syntax.git at 601.0.1 (13.79s)
Computing version for https://github.com/jpsim/Yams.git
Computed https://github.com/jpsim/Yams.git at 5.4.0 (1.18s)
Creating working copy for https://github.com/swiftlang/swift-syntax.git
Working copy of https://github.com/swiftlang/swift-syntax.git resolved at 601.0.1
Creating working copy for https://github.com/jpsim/Yams.git
Working copy of https://github.com/jpsim/Yams.git resolved at 5.4.0
Building for debugging...
[0/20] Write sources
[12/20] Compiling _SwiftSyntaxCShims dummy.c
[13/20] Compiling writer.c
[14/20] Compiling reader.c
[15/20] Compiling parser.c
[16/20] Compiling api.c
[17/20] Write swift-version-24593BA9C3E375BF.txt
[18/20] Compiling emitter.c
[19/20] Compiling scanner.c
[21/32] Emitting module SwiftSyntax510
<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
[22/52] Emitting module SwiftSyntax601
<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
[23/52] Compiling SwiftSyntax601 Empty.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
[24/53] Emitting module SwiftSyntax600
<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
[25/53] Compiling SwiftSyntax600 Empty.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
[26/54] Compiling HarmonizeUtils StaticStringImitator.swift
[27/54] Compiling HarmonizeUtils String+Extensions.swift
[28/54] Emitting module SwiftSyntax509
<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
[29/54] Compiling SwiftSyntax509 Empty.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
[32/55] Compiling Yams Tag.swift
[33/55] Compiling Yams YamlAnchorProviding.swift
[35/57] Compiling SwiftSyntax510 Empty.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
[37/122] Emitting module Yams
error: emit-module command failed with exit code 1 (use -v to see invocation)
[38/122] Emitting module HarmonizeUtils
/host/spi-builder-workspace/Sources/HarmonizeUtils/Concurrency/ConcurrentDictionary.swift:29:25: error: cannot find 'DispatchQueue' in scope
27 | package final class ConcurrentDictionary<Key: Hashable, Value> {
28 | private var elements: [Key: Value] = [:]
29 | private let queue = DispatchQueue(label: "harmonize.concurrentdic.queue", attributes: .concurrent)
| `- error: cannot find 'DispatchQueue' in scope
30 |
31 | public init() {}
/host/spi-builder-workspace/Sources/HarmonizeUtils/Concurrency/ConcurrentDictionary.swift:29:92: error: cannot infer contextual base in reference to member 'concurrent'
27 | package final class ConcurrentDictionary<Key: Hashable, Value> {
28 | private var elements: [Key: Value] = [:]
29 | private let queue = DispatchQueue(label: "harmonize.concurrentdic.queue", attributes: .concurrent)
| `- error: cannot infer contextual base in reference to member 'concurrent'
30 |
31 | public init() {}
[39/122] Compiling HarmonizeUtils ConcurrentDictionary.swift
/host/spi-builder-workspace/Sources/HarmonizeUtils/Concurrency/ConcurrentDictionary.swift:29:25: error: cannot find 'DispatchQueue' in scope
27 | package final class ConcurrentDictionary<Key: Hashable, Value> {
28 | private var elements: [Key: Value] = [:]
29 | private let queue = DispatchQueue(label: "harmonize.concurrentdic.queue", attributes: .concurrent)
| `- error: cannot find 'DispatchQueue' in scope
30 |
31 | public init() {}
/host/spi-builder-workspace/Sources/HarmonizeUtils/Concurrency/ConcurrentDictionary.swift:29:92: error: cannot infer contextual base in reference to member 'concurrent'
27 | package final class ConcurrentDictionary<Key: Hashable, Value> {
28 | private var elements: [Key: Value] = [:]
29 | private let queue = DispatchQueue(label: "harmonize.concurrentdic.queue", attributes: .concurrent)
| `- error: cannot infer contextual base in reference to member 'concurrent'
30 |
31 | public init() {}
/host/spi-builder-workspace/Sources/HarmonizeUtils/Concurrency/ConcurrentDictionary.swift:51:29: error: cannot infer contextual base in reference to member 'barrier'
49 | // Removes all elements from the dictionary.
50 | public func removeAll() {
51 | queue.async(flags: .barrier) {
| `- error: cannot infer contextual base in reference to member 'barrier'
52 | self.elements.removeAll()
53 | }
/host/spi-builder-workspace/Sources/HarmonizeUtils/Concurrency/ConcurrentDictionary.swift:63:29: error: cannot infer contextual base in reference to member 'barrier'
61 |
62 | private func setValue(key: Key, value: Value?) {
63 | queue.async(flags: .barrier) {
| `- error: cannot infer contextual base in reference to member 'barrier'
64 | self.elements[key] = value
65 | }
[40/122] Compiling SwiftSyntax SourcePresence.swift
[41/122] Compiling SwiftSyntax SwiftSyntaxCompatibility.swift
[42/122] Compiling SwiftSyntax AbsolutePosition.swift
[43/122] Compiling SwiftSyntax AbsoluteRawSyntax.swift
[44/122] Compiling SwiftSyntax AbsoluteSyntaxInfo.swift
[45/122] Compiling SwiftSyntax SourceLength.swift
[46/122] Compiling SwiftSyntax SourceLocation.swift
[47/122] Compiling SwiftSyntax Assert.swift
[48/122] Compiling SwiftSyntax BumpPtrAllocator.swift
[49/122] Compiling SwiftSyntax CommonAncestor.swift
[50/122] Compiling SwiftSyntax Identifier.swift
[51/122] Compiling SwiftSyntax MemoryLayout.swift
[52/122] Compiling SwiftSyntax MissingNodeInitializers.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
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/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: sha256:276d66a16377d3ee059b2e3429cbc1154d9f01e42871e5d702fd5d8b9044d93d
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/33] Emitting module SwiftSyntax600
[3/33] Compiling SwiftSyntax600 Empty.swift
[4/34] Compiling SwiftSyntax601 Empty.swift
[5/34] Emitting module SwiftSyntax601
[6/35] Emitting module SwiftSyntax510
[7/35] Compiling SwiftSyntax510 Empty.swift
[8/36] Compiling SwiftSyntax509 Empty.swift
[9/36] Emitting module SwiftSyntax509
error: emit-module command failed with exit code 1 (use -v to see invocation)
[10/37] Emitting module HarmonizeUtils
/host/spi-builder-workspace/Sources/HarmonizeUtils/Concurrency/ConcurrentDictionary.swift:29:25: error: cannot find 'DispatchQueue' in scope
27 | package final class ConcurrentDictionary<Key: Hashable, Value> {
28 | private var elements: [Key: Value] = [:]
29 | private let queue = DispatchQueue(label: "harmonize.concurrentdic.queue", attributes: .concurrent)
| `- error: cannot find 'DispatchQueue' in scope
30 |
31 | public init() {}
/host/spi-builder-workspace/Sources/HarmonizeUtils/Concurrency/ConcurrentDictionary.swift:29:92: error: cannot infer contextual base in reference to member 'concurrent'
27 | package final class ConcurrentDictionary<Key: Hashable, Value> {
28 | private var elements: [Key: Value] = [:]
29 | private let queue = DispatchQueue(label: "harmonize.concurrentdic.queue", attributes: .concurrent)
| `- error: cannot infer contextual base in reference to member 'concurrent'
30 |
31 | public init() {}
[11/37] Compiling HarmonizeUtils String+Extensions.swift
[12/37] Compiling HarmonizeUtils ConcurrentDictionary.swift
/host/spi-builder-workspace/Sources/HarmonizeUtils/Concurrency/ConcurrentDictionary.swift:29:25: error: cannot find 'DispatchQueue' in scope
27 | package final class ConcurrentDictionary<Key: Hashable, Value> {
28 | private var elements: [Key: Value] = [:]
29 | private let queue = DispatchQueue(label: "harmonize.concurrentdic.queue", attributes: .concurrent)
| `- error: cannot find 'DispatchQueue' in scope
30 |
31 | public init() {}
/host/spi-builder-workspace/Sources/HarmonizeUtils/Concurrency/ConcurrentDictionary.swift:29:92: error: cannot infer contextual base in reference to member 'concurrent'
27 | package final class ConcurrentDictionary<Key: Hashable, Value> {
28 | private var elements: [Key: Value] = [:]
29 | private let queue = DispatchQueue(label: "harmonize.concurrentdic.queue", attributes: .concurrent)
| `- error: cannot infer contextual base in reference to member 'concurrent'
30 |
31 | public init() {}
/host/spi-builder-workspace/Sources/HarmonizeUtils/Concurrency/ConcurrentDictionary.swift:51:29: error: cannot infer contextual base in reference to member 'barrier'
49 | // Removes all elements from the dictionary.
50 | public func removeAll() {
51 | queue.async(flags: .barrier) {
| `- error: cannot infer contextual base in reference to member 'barrier'
52 | self.elements.removeAll()
53 | }
/host/spi-builder-workspace/Sources/HarmonizeUtils/Concurrency/ConcurrentDictionary.swift:63:29: error: cannot infer contextual base in reference to member 'barrier'
61 |
62 | private func setValue(key: Key, value: Value?) {
63 | queue.async(flags: .barrier) {
| `- error: cannot infer contextual base in reference to member 'barrier'
64 | self.elements[key] = value
65 | }
[13/37] Compiling HarmonizeUtils StaticStringImitator.swift
BUILD FAILURE 6.1 wasm