Build Information
Failed to build Transmission, reference 2.10.3 (3d98be), with Swift 6.1 for Linux on 2 May 2026 04:04:08 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/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/nathantannar4/Transmission.git
Reference: 2.10.3
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/nathantannar4/Transmission
* tag 2.10.3 -> FETCH_HEAD
HEAD is now at 3d98be1 2.10.3
Cloned https://github.com/nathantannar4/Transmission.git
Revision (git rev-parse @):
3d98be15d0ff2b3545a9d02124fa8eba2858eb0d
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/nathantannar4/Transmission.git at 2.10.3
========================================
Build
========================================
Selected platform: linux
Swift version: 6.1
Building package at path: $PWD
https://github.com/nathantannar4/Transmission.git
https://github.com/nathantannar4/Transmission.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$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/nathantannar4/Engine
[1/1662] Fetching engine
Fetched https://github.com/nathantannar4/Engine from cache (0.35s)
Computing version for https://github.com/nathantannar4/Engine
Computed https://github.com/nathantannar4/Engine at 2.7.2 (0.96s)
Fetching https://github.com/swiftlang/swift-syntax
[1/75038] Fetching swift-syntax
Fetched https://github.com/swiftlang/swift-syntax from cache (5.89s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 603.0.1 (8.62s)
Creating working copy for https://github.com/nathantannar4/Engine
Working copy of https://github.com/nathantannar4/Engine resolved at 2.7.2
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 603.0.1
Building for debugging...
[0/5] Write sources
In file included from /host/spi-builder-workspace/.build/checkouts/Engine/Sources/EngineCoreC/visitors.c:5:
/host/spi-builder-workspace/.build/checkouts/Engine/Sources/EngineCoreC/include/visitors.h:8:10: fatal error: 'TargetConditionals.h' file not found
8 | #include <TargetConditionals.h>
| ^~~~~~~~~~~~~~~~~~~~~~
1 error generated.
[3/5] Compiling EngineCoreC visitors.c
[3/5] Write swift-version-24593BA9C3E375BF.txt
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/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...
In file included from /host/spi-builder-workspace/.build/checkouts/Engine/Sources/EngineCoreC/visitors.c:5:
/host/spi-builder-workspace/.build/checkouts/Engine/Sources/EngineCoreC/include/visitors.h:8:10: fatal error: 'TargetConditionals.h' file not found
8 | #include <TargetConditionals.h>
| ^~~~~~~~~~~~~~~~~~~~~~
1 error generated.
[0/2] Compiling EngineCoreC visitors.c
[0/2] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.1 linux