Swift Package IndexBuild Information
Failed to build Runner, reference main (ba4b7d), with Swift 6.3 for Wasm on 21 Apr 2026 00:23:56 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/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-6.3-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.
========================================
Checkout
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Clone URL: https://github.com/elegantchaos/Runner.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/elegantchaos/Runner
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at ba4b7d5 Adopt queue-based DataBuffer.
Cloned https://github.com/elegantchaos/Runner.git
Revision (git rev-parse @):
ba4b7d5b995d33c82fc1aa51054202caf0aa7297
SUCCESS checkout https://github.com/elegantchaos/Runner.git at main
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Build
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Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/elegantchaos/Runner.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-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/elegantchaos/ChaosByteStreams
[1/129] Fetching chaosbytestreams
Fetched https://github.com/elegantchaos/ChaosByteStreams from cache (0.29s)
Computing version for https://github.com/elegantchaos/ChaosByteStreams
Computed https://github.com/elegantchaos/ChaosByteStreams at 1.0.7 (0.72s)
Creating working copy for https://github.com/elegantchaos/ChaosByteStreams
Working copy of https://github.com/elegantchaos/ChaosByteStreams resolved at 1.0.7
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[4/7] Compiling ChaosByteStreams Data+ByteStreams.swift
[5/7] Compiling ChaosByteStreams String+ByteStreams.swift
[6/7] Emitting module ChaosByteStreams
/host/spi-builder-workspace/.build/checkouts/ChaosByteStreams/Sources/ChaosByteStreams/DataBuffer.swift:14:22: error: cannot find type 'DispatchQueue' in scope
12 | public final class DataBuffer: @unchecked Sendable {
13 | /// Serialization queue for accessing/modifying the buffer and continuations.
14 | private let queue: DispatchQueue
| `- error: cannot find type 'DispatchQueue' in scope
15 |
16 | /// Underlying data buffer.
/host/spi-builder-workspace/.build/checkouts/ChaosByteStreams/Sources/ChaosByteStreams/DataBuffer.swift:26:67: error: cannot find type 'DispatchQoS' in scope
24 |
25 | /// Create a new data buffer.
26 | public init(label: String = "com.elegantchaos.databuffer", qos: DispatchQoS = .utility) {
| `- error: cannot find type 'DispatchQoS' in scope
27 | self.queue = DispatchQueue(label: label, qos: qos)
28 | }
/host/spi-builder-workspace/.build/checkouts/ChaosByteStreams/Sources/ChaosByteStreams/DataBuffer.swift:88:21: error: cannot find type 'AsyncLineSequence' in scope
86 |
87 | /// Return a line sequence that reads from this buffer.
88 | public var lines: AsyncLineSequence<AsyncBytes> { bytes.lines }
| `- error: cannot find type 'AsyncLineSequence' in scope
89 |
90 | /// Wait for the buffer to close, then return it as a `String`.
[7/7] Compiling ChaosByteStreams DataBuffer.swift
/host/spi-builder-workspace/.build/checkouts/ChaosByteStreams/Sources/ChaosByteStreams/DataBuffer.swift:14:22: error: cannot find type 'DispatchQueue' in scope
12 | public final class DataBuffer: @unchecked Sendable {
13 | /// Serialization queue for accessing/modifying the buffer and continuations.
14 | private let queue: DispatchQueue
| `- error: cannot find type 'DispatchQueue' in scope
15 |
16 | /// Underlying data buffer.
/host/spi-builder-workspace/.build/checkouts/ChaosByteStreams/Sources/ChaosByteStreams/DataBuffer.swift:26:67: error: cannot find type 'DispatchQoS' in scope
24 |
25 | /// Create a new data buffer.
26 | public init(label: String = "com.elegantchaos.databuffer", qos: DispatchQoS = .utility) {
| `- error: cannot find type 'DispatchQoS' in scope
27 | self.queue = DispatchQueue(label: label, qos: qos)
28 | }
/host/spi-builder-workspace/.build/checkouts/ChaosByteStreams/Sources/ChaosByteStreams/DataBuffer.swift:88:21: error: cannot find type 'AsyncLineSequence' in scope
86 |
87 | /// Return a line sequence that reads from this buffer.
88 | public var lines: AsyncLineSequence<AsyncBytes> { bytes.lines }
| `- error: cannot find type 'AsyncLineSequence' in scope
89 |
90 | /// Wait for the buffer to close, then return it as a `String`.
/host/spi-builder-workspace/.build/checkouts/ChaosByteStreams/Sources/ChaosByteStreams/DataBuffer.swift:27:18: error: cannot find 'DispatchQueue' in scope
25 | /// Create a new data buffer.
26 | public init(label: String = "com.elegantchaos.databuffer", qos: DispatchQoS = .utility) {
27 | self.queue = DispatchQueue(label: label, qos: qos)
| `- error: cannot find 'DispatchQueue' in scope
28 | }
29 |
/host/spi-builder-workspace/.build/checkouts/ChaosByteStreams/Sources/ChaosByteStreams/DataBuffer.swift:88:59: error: value of type 'DataBuffer.AsyncBytes' has no member 'lines'
86 |
87 | /// Return a line sequence that reads from this buffer.
88 | public var lines: AsyncLineSequence<AsyncBytes> { bytes.lines }
| `- error: value of type 'DataBuffer.AsyncBytes' has no member 'lines'
89 |
90 | /// Wait for the buffer to close, then return it as a `String`.
BUILD FAILURE 6.3 wasm