NSUI – Build Information – Swift Package Index

Build Information

Failed to build NSUI, reference main (d1ce06), with Swift 6.1 for Wasm on 28 Apr 2026 14:36:26 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/mattmassicotte/nsui.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/mattmassicotte/nsui
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at d1ce061 Invert conditional to simplify
Cloned https://github.com/mattmassicotte/nsui.git
Revision (git rev-parse @):
d1ce061963193578c290dc578b32f4e3d84cfdb5
SUCCESS checkout https://github.com/mattmassicotte/nsui.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/mattmassicotte/nsui.git
https://github.com/mattmassicotte/nsui.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$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: sha256:276d66a16377d3ee059b2e3429cbc1154d9f01e42871e5d702fd5d8b9044d93d
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/18] Emitting module NSUI
<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/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[4/20] Compiling NSUI ViewRepresentable.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/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[5/20] Compiling NSUI Views.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/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[6/20] Compiling NSUI TextView.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/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[7/20] Compiling NSUI ViewControllerRepresentable.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/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[8/20] Compiling NSUI TableView.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/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[9/20] Compiling NSUI TableViewDiffableDataSource.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/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[10/20] Compiling NSUI IndexPath.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/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[11/20] Compiling NSUI Label.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/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[12/20] Compiling NSUI Image.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/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[13/20] Compiling NSUI ImageView.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/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[14/20] Compiling NSUI ControlActiveState.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/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[15/20] Compiling NSUI Font.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/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[16/20] Compiling NSUI PlatformKit.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/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[17/20] Compiling NSUI ScrollView.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/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[18/20] Compiling NSUI Aliases.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/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[19/20] Compiling NSUI BezierPath.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/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[20/20] Compiling NSUI Color.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/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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: sha256:276d66a16377d3ee059b2e3429cbc1154d9f01e42871e5d702fd5d8b9044d93d
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
error: emit-module command failed with exit code 1 (use -v to see invocation)
[2/17] Emitting module NSUI
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[3/17] Compiling NSUI ControlActiveState.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[4/17] Compiling NSUI Font.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[5/17] Compiling NSUI Aliases.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[6/17] Compiling NSUI BezierPath.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[7/17] Compiling NSUI Color.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[8/19] Compiling NSUI TableView.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[9/19] Compiling NSUI TableViewDiffableDataSource.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[10/19] Compiling NSUI TextView.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[11/19] Compiling NSUI ViewControllerRepresentable.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[12/19] Compiling NSUI PlatformKit.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[13/19] Compiling NSUI ScrollView.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[14/19] Compiling NSUI Image.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[15/19] Compiling NSUI ImageView.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[16/19] Compiling NSUI IndexPath.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[17/19] Compiling NSUI Label.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[18/19] Compiling NSUI ViewRepresentable.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[19/19] Compiling NSUI Views.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 |
 3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
BUILD FAILURE 6.1 wasm