Build Information
Failed to build swift-collections-differentiable, reference main (401a17), with Swift 6.1 for Android on 12 Aug 2026 06:36:38 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1Build Log
========================================
RunAll
========================================
Builder version: 729ceb5fcd9493dc13ee340bc4f0908bd201f85d
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/differentiable-swift/swift-collections-differentiable.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/differentiable-swift/swift-collections-differentiable
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 401a179 chore: upgrade to swift-differentiation 3.0.0
Cloned https://github.com/differentiable-swift/swift-collections-differentiable.git
Revision (git rev-parse @):
401a17957559ac6a483715a5dfcf2c1818588046
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/differentiable-swift/swift-collections-differentiable.git at main
========================================
Build
========================================
Selected platform: android
Swift version: 6.1
Building package at path: $PWD
https://github.com/differentiable-swift/swift-collections-differentiable.git
https://github.com/differentiable-swift/swift-collections-differentiable.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 -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
android-6.1-latest: Pulling from saguaro1/spi-images
Digest: sha256:0cd0efb458d677a6de9b5e028d30e2aa1d1b247c2277202ba317a28ce9e867e0
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:android-6.1-latest
Fetching https://github.com/apple/swift-collections.git
Fetching https://github.com/differentiable-swift/swift-differentiation.git
[1/1964] Fetching swift-differentiation
[1062/28563] Fetching swift-differentiation, swift-collections
Fetched https://github.com/differentiable-swift/swift-differentiation.git from cache (0.66s)
[5054/26599] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git from cache (1.18s)
Computing version for https://github.com/differentiable-swift/swift-differentiation.git
Computed https://github.com/differentiable-swift/swift-differentiation.git at 3.0.1 (1.40s)
Fetching https://github.com/differentiable-swift/swift-differentiation-stdlib.git
[1/295] Fetching swift-differentiation-stdlib
Fetched https://github.com/differentiable-swift/swift-differentiation-stdlib.git from cache (1.13s)
Computing version for https://github.com/differentiable-swift/swift-differentiation-stdlib.git
error: Dependencies could not be resolved because 'swift-differentiation-stdlib' contains incompatible tools version (6.2.0) and root depends on 'swift-differentiation' 3.0.0..<4.0.0.
'swift-differentiation' >= 3.0.0 practically depends on 'swift-differentiation-stdlib' 602.0.1..<603.0.0 because 'swift-differentiation' 3.0.0 depends on 'swift-differentiation-stdlib' 602.0.1..<603.0.0 and 'swift-differentiation' 3.0.1 depends on 'swift-differentiation-stdlib' 602.0.1..<603.0.0.
'swift-differentiation' {3.0.0, 3.0.2..<4.0.0} practically depends on 'swift-differentiation-stdlib' 602.0.1..<603.0.0 because no versions of 'swift-differentiation' match the requirement 3.0.2..<4.0.0 and 'swift-differentiation' 3.0.0 depends on 'swift-differentiation-stdlib' 602.0.1..<603.0.0.
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1
android-6.1-latest: Pulling from saguaro1/spi-images
Digest: sha256:0cd0efb458d677a6de9b5e028d30e2aa1d1b247c2277202ba317a28ce9e867e0
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:android-6.1-latest
Updating https://github.com/differentiable-swift/swift-differentiation.git
Updating https://github.com/apple/swift-collections.git
Updated https://github.com/apple/swift-collections.git (0.30s)
Updated https://github.com/differentiable-swift/swift-differentiation.git (0.30s)
Computing version for https://github.com/differentiable-swift/swift-differentiation.git
Computed https://github.com/differentiable-swift/swift-differentiation.git at 3.0.1 (0.52s)
Updating https://github.com/differentiable-swift/swift-differentiation-stdlib.git
Updated https://github.com/differentiable-swift/swift-differentiation-stdlib.git (0.25s)
Computing version for https://github.com/differentiable-swift/swift-differentiation-stdlib.git
error: Dependencies could not be resolved because 'swift-differentiation-stdlib' contains incompatible tools version (6.2.0) and root depends on 'swift-differentiation' 3.0.0..<4.0.0.
'swift-differentiation' >= 3.0.0 practically depends on 'swift-differentiation-stdlib' 602.0.1..<603.0.0 because 'swift-differentiation' 3.0.0 depends on 'swift-differentiation-stdlib' 602.0.1..<603.0.0 and 'swift-differentiation' 3.0.1 depends on 'swift-differentiation-stdlib' 602.0.1..<603.0.0.
'swift-differentiation' {3.0.0, 3.0.2..<4.0.0} practically depends on 'swift-differentiation-stdlib' 602.0.1..<603.0.0 because no versions of 'swift-differentiation' match the requirement 3.0.2..<4.0.0 and 'swift-differentiation' 3.0.0 depends on 'swift-differentiation-stdlib' 602.0.1..<603.0.0.
BUILD FAILURE 6.1 android