Swift Package Index

Build Information

Failed to build FlywheelControl, reference main (477dc0), with Swift 6.1 for Linux on 8 Jan 2026 22:57:38 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/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/aweiner42/FlywheelControl.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/aweiner42/FlywheelControl
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 477dc04 Fix Swift Playgrounds drag reliability
Cloned https://github.com/aweiner42/FlywheelControl.git
Revision (git rev-parse @):
477dc0426d4d3bdc673fb3513cb4d66bf513cb43
SUCCESS checkout https://github.com/aweiner42/FlywheelControl.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/aweiner42/FlywheelControl.git
https://github.com/aweiner42/FlywheelControl.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "FlywheelControl",
  "name" : "FlywheelControl",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "17.0.0"
    },
    {
      "name" : "macos",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "FlywheelControl",
      "targets" : [
        "FlywheelControl"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FlywheelControlTests",
      "module_type" : "SwiftTarget",
      "name" : "FlywheelControlTests",
      "path" : "Tests/FlywheelControlTests",
      "sources" : [
        "FlywheelControlTests.swift"
      ],
      "target_dependencies" : [
        "FlywheelControl"
      ],
      "type" : "test"
    },
    {
      "c99name" : "FlywheelControl",
      "module_type" : "SwiftTarget",
      "name" : "FlywheelControl",
      "path" : "Sources/FlywheelControl",
      "product_memberships" : [
        "FlywheelControl"
      ],
      "resources" : [
        {
          "path" : "/host/spi-builder-workspace/Sources/FlywheelControl/Resources/combined_ruler_image.jpeg",
          "rule" : {
            "process" : {
            }
          }
        }
      ],
      "sources" : [
        "FlywheelControl.swift",
        "FlywheelTrack.swift",
        "ZoomValueManager.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.10"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -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
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:5a651828b24304580408903d9e8c129215b04dc69edd6058f3847d01e034cce9
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Building for debugging...
[0/3] Copying combined_ruler_image.jpeg
[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)
[4/8] Emitting module FlywheelControl
/host/spi-builder-workspace/Sources/FlywheelControl/FlywheelControl.swift:8:8: error: no such module 'SwiftUI'
  6 | //
  7 |
  8 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  9 | import Combine
 10 | import Foundation
[5/8] Compiling FlywheelControl resource_bundle_accessor.swift
/host/spi-builder-workspace/Sources/FlywheelControl/FlywheelControl.swift:8:8: error: no such module 'SwiftUI'
  6 | //
  7 |
  8 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  9 | import Combine
 10 | import Foundation
[6/8] Compiling FlywheelControl ZoomValueManager.swift
/host/spi-builder-workspace/Sources/FlywheelControl/FlywheelControl.swift:8:8: error: no such module 'SwiftUI'
  6 | //
  7 |
  8 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  9 | import Combine
 10 | import Foundation
[7/8] Compiling FlywheelControl FlywheelTrack.swift
/host/spi-builder-workspace/Sources/FlywheelControl/FlywheelControl.swift:8:8: error: no such module 'SwiftUI'
  6 | //
  7 |
  8 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  9 | import Combine
 10 | import Foundation
[8/8] Compiling FlywheelControl FlywheelControl.swift
/host/spi-builder-workspace/Sources/FlywheelControl/FlywheelControl.swift:8:8: error: no such module 'SwiftUI'
  6 | //
  7 |
  8 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  9 | import Combine
 10 | import Foundation
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/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:5a651828b24304580408903d9e8c129215b04dc69edd6058f3847d01e034cce9
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/6] Compiling FlywheelControl FlywheelTrack.swift
/host/spi-builder-workspace/Sources/FlywheelControl/FlywheelControl.swift:8:8: error: no such module 'SwiftUI'
  6 | //
  7 |
  8 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  9 | import Combine
 10 | import Foundation
[3/6] Compiling FlywheelControl resource_bundle_accessor.swift
/host/spi-builder-workspace/Sources/FlywheelControl/FlywheelControl.swift:8:8: error: no such module 'SwiftUI'
  6 | //
  7 |
  8 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  9 | import Combine
 10 | import Foundation
[4/6] Compiling FlywheelControl ZoomValueManager.swift
/host/spi-builder-workspace/Sources/FlywheelControl/FlywheelControl.swift:8:8: error: no such module 'SwiftUI'
  6 | //
  7 |
  8 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  9 | import Combine
 10 | import Foundation
error: emit-module command failed with exit code 1 (use -v to see invocation)
[5/6] Emitting module FlywheelControl
/host/spi-builder-workspace/Sources/FlywheelControl/FlywheelControl.swift:8:8: error: no such module 'SwiftUI'
  6 | //
  7 |
  8 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  9 | import Combine
 10 | import Foundation
[6/6] Compiling FlywheelControl FlywheelControl.swift
/host/spi-builder-workspace/Sources/FlywheelControl/FlywheelControl.swift:8:8: error: no such module 'SwiftUI'
  6 | //
  7 |
  8 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  9 | import Combine
 10 | import Foundation
BUILD FAILURE 6.1 linux