Swift Package IndexBuild Information
Failed to build RuntimeAssertions, reference main (ba5753), with Swift 6.3 for Wasm on 16 Apr 2026 20:37:45 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/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/StanfordBDHG/XCTRuntimeAssertions.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/StanfordBDHG/XCTRuntimeAssertions
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at ba5753f support release testing (#23)
Cloned https://github.com/StanfordBDHG/XCTRuntimeAssertions.git
Revision (git rev-parse @):
ba5753f59905b80fd98d0da0f552f4e5d5c0488e
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/StanfordBDHG/XCTRuntimeAssertions.git at main
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Build
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Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/StanfordBDHG/XCTRuntimeAssertions.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$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...
[0/4] Write sources
[3/4] Write swift-version-24593BA9C3E375BF.txt
[5/12] Compiling RuntimeAssertions Assert.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[6/13] Emitting module RuntimeAssertions
/host/spi-builder-workspace/Sources/RuntimeAssertions/NeverReturn.swift:16:25: error: value of type 'RunLoop' has no member 'run'
14 | // This is unfortunate but as far as I can see the only feasible way to return Never without calling a runtime crashing function, e.g. `fatalError()`.
15 | repeat {
16 | RunLoop.current.run()
| `- error: value of type 'RunLoop' has no member 'run'
17 | } while (true)
18 | }
[7/13] Compiling RuntimeAssertions Counter.swift
[8/13] Compiling RuntimeAssertions NeverReturn.swift
/host/spi-builder-workspace/Sources/RuntimeAssertions/NeverReturn.swift:16:25: error: value of type 'RunLoop' has no member 'run'
14 | // This is unfortunate but as far as I can see the only feasible way to return Never without calling a runtime crashing function, e.g. `fatalError()`.
15 | repeat {
16 | RunLoop.current.run()
| `- error: value of type 'RunLoop' has no member 'run'
17 | } while (true)
18 | }
[9/13] Compiling RuntimeAssertions RuntimeAssertion.swift
[10/13] Compiling RuntimeAssertions RuntimeAssertionInjection.swift
[11/13] Compiling RuntimeAssertions Precondition.swift
[12/13] Compiling RuntimeAssertions DebugOnly.swift
[13/13] Compiling RuntimeAssertions RuntimePrecondition.swift
/host/spi-builder-workspace/Sources/RuntimeAssertions/RuntimePrecondition.swift:31:25: error: cannot find 'DispatchQueue' in scope
29 |
30 | // We have to run the operation on a `DispatchQueue` as we have to call `RunLoop.current.run()` in the `preconditionFailure` call.
31 | let dispatchQueue = DispatchQueue(label: "RuntimePrecondition-\(injection.id)")
| `- error: cannot find 'DispatchQueue' in scope
32 |
33 | let expressionWorkItem = DispatchWorkItem {
/host/spi-builder-workspace/Sources/RuntimeAssertions/RuntimePrecondition.swift:33:30: error: cannot find 'DispatchWorkItem' in scope
31 | let dispatchQueue = DispatchQueue(label: "RuntimePrecondition-\(injection.id)")
32 |
33 | let expressionWorkItem = DispatchWorkItem {
| `- error: cannot find 'DispatchWorkItem' in scope
34 | injection.withInjection(expression)
35 | }
BUILD FAILURE 6.3 wasm