Swift Package IndexBuild Information
Failed to build Subviews, reference 0.0.2 (e93045), with Swift 6.2 (beta) for Wasm on 20 Jun 2025 08:05:14 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1Build Log
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RunAll
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Builder version: 4.64.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/dreymonde/Subviews.git
Reference: 0.0.2
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/dreymonde/Subviews
* tag 0.0.2 -> FETCH_HEAD
HEAD is now at e93045b update README
Cloned https://github.com/dreymonde/Subviews.git
Revision (git rev-parse @):
e93045be3e08ff47adc6bf12f86330cf2016f514
SUCCESS checkout https://github.com/dreymonde/Subviews.git at 0.0.2
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Build
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Selected platform: wasm
Swift version: 6.2
Building package at path: $PWD
https://github.com/dreymonde/Subviews.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.2-latest: Pulling from finestructure/spi-images
Digest: sha256:44384f43f933eaa0f42803e9ef7c3d8388c5841ccc831a15a5edf63d8c273423
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/12] Compiling Subviews Subview.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
1 | import UIKit
| `- error: no such module 'UIKit'
2 |
3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
[4/12] Compiling Subviews Stacks.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
1 | import UIKit
| `- error: no such module 'UIKit'
2 |
3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
[5/13] Compiling Subviews Align.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
1 | import UIKit
| `- error: no such module 'UIKit'
2 |
3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
[6/13] Compiling Subviews Creatable.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
1 | import UIKit
| `- error: no such module 'UIKit'
2 |
3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[7/13] Compiling Subviews Child.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
1 | import UIKit
| `- error: no such module 'UIKit'
2 |
3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
[8/13] Compiling Subviews Enclosed.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
1 | import UIKit
| `- error: no such module 'UIKit'
2 |
3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
[9/13] Compiling Subviews AutoParent.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
1 | import UIKit
| `- error: no such module 'UIKit'
2 |
3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
[10/13] Compiling Subviews AutoSuperview.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
1 | import UIKit
| `- error: no such module 'UIKit'
2 |
3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
[11/13] Emitting module Subviews
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
1 | import UIKit
| `- error: no such module 'UIKit'
2 |
3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
[12/13] Compiling Subviews Extensions.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
1 | import UIKit
| `- error: no such module 'UIKit'
2 |
3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
error: compile command failed due to signal 6 (use -v to see invocation)
swift-frontend: /home/build-user/swift/lib/Sema/MiscDiagnostics.cpp:2701: bool swift::diagnoseArgumentLabelError(ASTContext &, const ArgumentList *, ArrayRef<Identifier>, ParameterContext, InFlightDiagnostic *): Assertion `numMissing > 0 || numExtra > 0 || numWrong > 0' failed.
Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the crash backtrace.
Stack dump:
0. Program arguments: /usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/Sources/Subviews/AutoParent.swift /host/spi-builder-workspace/Sources/Subviews/AutoSuperview.swift /host/spi-builder-workspace/Sources/Subviews/Child.swift /host/spi-builder-workspace/Sources/Subviews/Enclosed.swift /host/spi-builder-workspace/Sources/Subviews/Extensions.swift /host/spi-builder-workspace/Sources/Subviews/Internal/Align.swift /host/spi-builder-workspace/Sources/Subviews/Internal/Creatable.swift /host/spi-builder-workspace/Sources/Subviews/Stacks.swift /host/spi-builder-workspace/Sources/Subviews/Subview.swift -primary-file /host/spi-builder-workspace/Sources/Subviews/ViewLayoutOption.swift -emit-dependencies-path /host/spi-builder-workspace/.build/wasm32-unknown-wasi/debug/Subviews.build/ViewLayoutOption.d -emit-reference-dependencies-path /host/spi-builder-workspace/.build/wasm32-unknown-wasi/debug/Subviews.build/ViewLayoutOption.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/wasm32-unknown-wasi/debug/Subviews.build/ViewLayoutOption.dia -target wasm32-unknown-wasi -disable-objc-interop -sdk /root/.swiftpm/swift-sdks/swift-6.2-DEVELOPMENT-SNAPSHOT-2025-05-30-a_wasm.artifactbundle/swift-6.2-DEVELOPMENT-SNAPSHOT-2025-05-30-a_wasm/wasm32-unknown-wasi/WASI.sdk -I /host/spi-builder-workspace/.build/wasm32-unknown-wasi/debug/Modules -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format=dwarf -dwarf-version=4 -module-cache-path /host/spi-builder-workspace/.build/wasm32-unknown-wasi/debug/ModuleCache -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -empty-abi-descriptor -resource-dir /root/.swiftpm/swift-sdks/swift-6.2-DEVELOPMENT-SNAPSHOT-2025-05-30-a_wasm.artifactbundle/swift-6.2-DEVELOPMENT-SNAPSHOT-2025-05-30-a_wasm/wasm32-unknown-wasi/swift.xctoolchain/usr/lib/swift_static -use-static-resource-dir -enable-anonymous-context-mangled-names -file-compilation-dir /host/spi-builder-workspace -Xcc --sysroot -Xcc /root/.swiftpm/swift-sdks/swift-6.2-DEVELOPMENT-SNAPSHOT-2025-05-30-a_wasm.artifactbundle/swift-6.2-DEVELOPMENT-SNAPSHOT-2025-05-30-a_wasm/wasm32-unknown-wasi/WASI.sdk -Xcc -g -no-auto-bridging-header-chaining -module-name Subviews -in-process-plugin-server-path /usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /usr/lib/swift/host/plugins -plugin-path /usr/local/lib/swift/host/plugins -parse-as-library -o /host/spi-builder-workspace/.build/wasm32-unknown-wasi/debug/Subviews.build/ViewLayoutOption.swift.o -index-store-path /host/spi-builder-workspace/.build/wasm32-unknown-wasi/debug/index/store -index-system-modules
1. Swift version 6.2-dev (LLVM 0d47fa0a0fd41fb, Swift 536aa932a9e0ea3)
2. Compiling with effective version 5.10
3. While evaluating request TypeCheckPrimaryFileRequest(source_file "/host/spi-builder-workspace/Sources/Subviews/ViewLayoutOption.swift")
4. While evaluating request TypeCheckFunctionBodyRequest(Subviews.(file).ViewLayoutOption.withSuperview@/host/spi-builder-workspace/Sources/Subviews/ViewLayoutOption.swift:43:24)
5. While type-checking statement at [/host/spi-builder-workspace/Sources/Subviews/ViewLayoutOption.swift:43:117 - line:50:5] RangeText="{
ViewLayoutOption {
guard let superview = $0.superview else {
return
}
layout($0, superview)
}
"
6. While type-checking statement at [/host/spi-builder-workspace/Sources/Subviews/ViewLayoutOption.swift:44:9 - line:49:9] RangeText="ViewLayoutOption {
guard let superview = $0.superview else {
return
}
layout($0, superview)
"
7. While type-checking-target starting at /host/spi-builder-workspace/Sources/Subviews/ViewLayoutOption.swift:44:9
Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
0 swift-frontend 0x000056235a6a5918
1 swift-frontend 0x000056235a6a343e
2 swift-frontend 0x000056235a6a5fb1
3 libc.so.6 0x00007f2b13fa3520
4 libc.so.6 0x00007f2b13ff79fc pthread_kill + 300
5 libc.so.6 0x00007f2b13fa3476 raise + 22
6 libc.so.6 0x00007f2b13f897f3 abort + 211
7 libc.so.6 0x00007f2b13f8971b
8 libc.so.6 0x00007f2b13f9ae96
9 swift-frontend 0x0000562354011ca2
10 swift-frontend 0x0000562353f7322c
11 swift-frontend 0x00005623542b64df
12 swift-frontend 0x00005623542b6d92
13 swift-frontend 0x00005623540eaba7
14 swift-frontend 0x00005623541ef7f8
15 swift-frontend 0x00005623541ef37c
16 swift-frontend 0x00005623541eb011
17 swift-frontend 0x00005623541ef42d
18 swift-frontend 0x00005623541ed07c
19 swift-frontend 0x00005623541ec8c4
20 swift-frontend 0x00005623541ec45e
21 swift-frontend 0x00005623547eb0e2
22 swift-frontend 0x0000562354742bd9
23 swift-frontend 0x00005623548c9398
24 swift-frontend 0x0000562354259e62
25 swift-frontend 0x000056235425be4b
26 swift-frontend 0x0000562354259d45
27 swift-frontend 0x0000562352db0129
28 swift-frontend 0x0000562352da63ea
29 swift-frontend 0x0000562352da61db
30 swift-frontend 0x0000562352a4f3c2
31 swift-frontend 0x0000562352a407de
32 swift-frontend 0x0000562352a3f878
33 swift-frontend 0x00005623527bb26b
34 libc.so.6 0x00007f2b13f8ad90
35 libc.so.6 0x00007f2b13f8ae40 __libc_start_main + 128
36 swift-frontend 0x00005623527ba265
BUILD FAILURE 6.2 wasm