Build Information
Failed to build swift-cardano-uplc, reference main (707df7), with Swift 6.1 for Android on 2 May 2026 08:11:56 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/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:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Kingpin-Apps/swift-cardano-uplc.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/Kingpin-Apps/swift-cardano-uplc
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 707df7b bump: version 0.1.3 → 0.1.4
Cloned https://github.com/Kingpin-Apps/swift-cardano-uplc.git
Revision (git rev-parse @):
707df7b756bd4dc3fdfd265794ed1a990c67b58b
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/Kingpin-Apps/swift-cardano-uplc.git at main
========================================
Build
========================================
Selected platform: android
Swift version: 6.1
Building package at path: $PWD
https://github.com/Kingpin-Apps/swift-cardano-uplc.git
https://github.com/Kingpin-Apps/swift-cardano-uplc.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images: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 swiftpackageindex/spi-images
Digest: sha256:d37fe7b8fba27dae59fb1d9d7dfa86b38b41ffb3975924aad6f05cb4cc3de131
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:android-6.1-latest
Fetching https://github.com/21-DOT-DEV/swift-secp256k1
Fetching https://github.com/attaswift/BigInt.git
Fetching https://github.com/apple/swift-log.git
[1/4878] Fetching bigint
[3123/11688] Fetching bigint, swift-log
[11689/22386] Fetching bigint, swift-log, swift-secp256k1
Fetched https://github.com/apple/swift-log.git from cache (1.01s)
Fetching https://github.com/Kingpin-Apps/swift-cardano-core.git
[9693/15576] Fetching bigint, swift-secp256k1
[10870/19324] Fetching bigint, swift-secp256k1, swift-cardano-core
Fetched https://github.com/Kingpin-Apps/swift-cardano-core.git from cache (0.73s)
[11404/15576] Fetching bigint, swift-secp256k1
Fetching https://github.com/krzyzanowskim/CryptoSwift.git
Fetching https://github.com/Kingpin-Apps/swift-blst.git
Fetching https://github.com/Kingpin-Apps/swift-ncal.git
Fetched https://github.com/attaswift/BigInt.git from cache (2.96s)
Fetched https://github.com/21-DOT-DEV/swift-secp256k1 from cache (3.03s)
[1/493] Fetching swift-ncal
[253/590] Fetching swift-ncal, swift-blst
[302/13977] Fetching swift-ncal, swift-blst, cryptoswift
Fetched https://github.com/Kingpin-Apps/swift-blst.git from cache (0.99s)
Fetched https://github.com/Kingpin-Apps/swift-ncal.git from cache (1.00s)
[2142/13387] Fetching cryptoswift
Fetched https://github.com/krzyzanowskim/CryptoSwift.git from cache (2.79s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.12.0 (6.82s)
Computing version for https://github.com/21-DOT-DEV/swift-secp256k1
Computed https://github.com/21-DOT-DEV/swift-secp256k1 at 0.22.0 (1.23s)
Computing version for https://github.com/Kingpin-Apps/swift-ncal.git
error: Dependencies could not be resolved because 'swift-ncal' >= 0.2.1 contains incompatible tools version (6.2.0) and root depends on 'swift-ncal' 0.2.2..<1.0.0.
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/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:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1
android-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d37fe7b8fba27dae59fb1d9d7dfa86b38b41ffb3975924aad6f05cb4cc3de131
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:android-6.1-latest
Updating https://github.com/apple/swift-log.git
Updating https://github.com/krzyzanowskim/CryptoSwift.git
Updating https://github.com/attaswift/BigInt.git
Updated https://github.com/attaswift/BigInt.git (0.17s)
Updating https://github.com/Kingpin-Apps/swift-cardano-core.git
Updated https://github.com/krzyzanowskim/CryptoSwift.git (0.20s)
Updating https://github.com/21-DOT-DEV/swift-secp256k1
Updated https://github.com/apple/swift-log.git (0.22s)
Updating https://github.com/Kingpin-Apps/swift-blst.git
Updated https://github.com/Kingpin-Apps/swift-cardano-core.git (0.16s)
Updated https://github.com/Kingpin-Apps/swift-blst.git (0.16s)
Updated https://github.com/21-DOT-DEV/swift-secp256k1 (0.29s)
Updating https://github.com/Kingpin-Apps/swift-ncal.git
Updated https://github.com/Kingpin-Apps/swift-ncal.git (0.13s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.12.0 (1.29s)
Computing version for https://github.com/21-DOT-DEV/swift-secp256k1
Computed https://github.com/21-DOT-DEV/swift-secp256k1 at 0.22.0 (1.65s)
Computing version for https://github.com/Kingpin-Apps/swift-ncal.git
error: Dependencies could not be resolved because 'swift-ncal' >= 0.2.1 contains incompatible tools version (6.2.0) and root depends on 'swift-ncal' 0.2.2..<1.0.0.
BUILD FAILURE 6.1 android