Swift Package IndexBuild Information
Failed to build Mixpanel, reference master (44b215), with Swift 6.1 for Linux on 21 Apr 2026 03:47:47 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:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/mixpanel/mixpanel-swift.git
Reference: master
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/mixpanel/mixpanel-swift
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 44b2151 Release 6.3.0 (#718)
Cloned https://github.com/mixpanel/mixpanel-swift.git
Revision (git rev-parse @):
44b215162eedf635233fb34c11d0ed7c81f783e4
SUCCESS checkout https://github.com/mixpanel/mixpanel-swift.git at master
========================================
Build
========================================
Selected platform: linux
Swift version: 6.1
Building package at path: $PWD
https://github.com/mixpanel/mixpanel-swift.git
https://github.com/mixpanel/mixpanel-swift.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images: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 swiftpackageindex/spi-images
Digest: sha256:a7bfd71e9384436264431030299dc8a2d42d0664a168cfa1a5dd84c9bc592ccf
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:basic-6.1-latest
Fetching https://github.com/advantagefse/json-logic-swift
Fetching https://github.com/mixpanel/mixpanel-swift-common.git
[1/1126] Fetching json-logic-swift
[790/1643] Fetching json-logic-swift, mixpanel-swift-common
Fetched https://github.com/mixpanel/mixpanel-swift-common.git from cache (0.27s)
Fetched https://github.com/advantagefse/json-logic-swift from cache (0.27s)
Computing version for https://github.com/mixpanel/mixpanel-swift-common.git
Computed https://github.com/mixpanel/mixpanel-swift-common.git at 1.0.1 (1.07s)
Computing version for https://github.com/advantagefse/json-logic-swift
Computed https://github.com/advantagefse/json-logic-swift at 1.2.4 (1.71s)
Creating working copy for https://github.com/mixpanel/mixpanel-swift-common.git
Working copy of https://github.com/mixpanel/mixpanel-swift-common.git resolved at 1.0.1
Creating working copy for https://github.com/advantagefse/json-logic-swift
Working copy of https://github.com/advantagefse/json-logic-swift resolved at 1.2.4
Building for debugging...
[0/6] Write sources
[0/6] Copying PrivacyInfo.xcprivacy
[0/6] Write sources
[5/6] Write swift-version-24593BA9C3E375BF.txt
[7/11] Emitting module JSON
[8/11] Compiling JSON JSON.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[10/12] Emitting module MixpanelSwiftCommon
/host/spi-builder-workspace/.build/checkouts/mixpanel-swift-common/Sources/MixpanelSwiftCommon/MixpanelEventBridge.swift:34:6: error: Objective-C interoperability is disabled
32 | // MARK: - Singleton
33 | /// Shared instance
34 | @objc public static let shared = MixpanelEventBridge()
| `- error: Objective-C interoperability is disabled
35 |
36 | // MARK: - Private Properties
[11/12] Compiling MixpanelSwiftCommon JSONLogicEvaluator.swift
/host/spi-builder-workspace/.build/checkouts/mixpanel-swift-common/Sources/MixpanelSwiftCommon/Utils/JSONLogicEvaluator.swift:1139:16: error: cannot find 'CFGetTypeID' in scope
1137 | return false
1138 | }
1139 | return CFGetTypeID(number) == CFBooleanGetTypeID()
| `- error: cannot find 'CFGetTypeID' in scope
1140 | }
1141 |
/host/spi-builder-workspace/.build/checkouts/mixpanel-swift-common/Sources/MixpanelSwiftCommon/Utils/JSONLogicEvaluator.swift:1139:39: error: cannot find 'CFBooleanGetTypeID' in scope
1137 | return false
1138 | }
1139 | return CFGetTypeID(number) == CFBooleanGetTypeID()
| `- error: cannot find 'CFBooleanGetTypeID' in scope
1140 | }
1141 |
[12/12] Compiling MixpanelSwiftCommon MixpanelEventBridge.swift
/host/spi-builder-workspace/.build/checkouts/mixpanel-swift-common/Sources/MixpanelSwiftCommon/MixpanelEventBridge.swift:34:6: error: Objective-C interoperability is disabled
32 | // MARK: - Singleton
33 | /// Shared instance
34 | @objc public static let shared = MixpanelEventBridge()
| `- error: Objective-C interoperability is disabled
35 |
36 | // MARK: - Private Properties
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:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:a7bfd71e9384436264431030299dc8a2d42d0664a168cfa1a5dd84c9bc592ccf
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:basic-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)
[2/6] Emitting module MixpanelSwiftCommon
/host/spi-builder-workspace/.build/checkouts/mixpanel-swift-common/Sources/MixpanelSwiftCommon/MixpanelEventBridge.swift:34:6: error: Objective-C interoperability is disabled
32 | // MARK: - Singleton
33 | /// Shared instance
34 | @objc public static let shared = MixpanelEventBridge()
| `- error: Objective-C interoperability is disabled
35 |
36 | // MARK: - Private Properties
[3/6] Compiling MixpanelSwiftCommon MixpanelEventBridge.swift
/host/spi-builder-workspace/.build/checkouts/mixpanel-swift-common/Sources/MixpanelSwiftCommon/MixpanelEventBridge.swift:34:6: error: Objective-C interoperability is disabled
32 | // MARK: - Singleton
33 | /// Shared instance
34 | @objc public static let shared = MixpanelEventBridge()
| `- error: Objective-C interoperability is disabled
35 |
36 | // MARK: - Private Properties
[4/6] Compiling MixpanelSwiftCommon JSONLogicEvaluator.swift
/host/spi-builder-workspace/.build/checkouts/mixpanel-swift-common/Sources/MixpanelSwiftCommon/Utils/JSONLogicEvaluator.swift:1139:16: error: cannot find 'CFGetTypeID' in scope
1137 | return false
1138 | }
1139 | return CFGetTypeID(number) == CFBooleanGetTypeID()
| `- error: cannot find 'CFGetTypeID' in scope
1140 | }
1141 |
/host/spi-builder-workspace/.build/checkouts/mixpanel-swift-common/Sources/MixpanelSwiftCommon/Utils/JSONLogicEvaluator.swift:1139:39: error: cannot find 'CFBooleanGetTypeID' in scope
1137 | return false
1138 | }
1139 | return CFGetTypeID(number) == CFBooleanGetTypeID()
| `- error: cannot find 'CFBooleanGetTypeID' in scope
1140 | }
1141 |
[5/6] Emitting module JSON
BUILD FAILURE 6.1 linux