Build Information
Failed to build flint, reference master (99a509), with Swift 6.1 for Android on 18 Jul 2026 07:58:59 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344844-1":/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: 333316120c8b89ed7d21f1b34865290794301d91
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/flint-engine/flint.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/flint-engine/flint
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 99a5099 Merge branch 'develop'
Cloned https://github.com/flint-engine/flint.git
Revision (git rev-parse @):
99a5099aa84bce5fcc75a3a3269d3b73c707f58e
SUCCESS checkout https://github.com/flint-engine/flint.git at master
========================================
Build
========================================
Selected platform: android
Swift version: 6.1
Building package at path: $PWD
https://github.com/flint-engine/flint.git
https://github.com/flint-engine/flint.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344844-1":/host -w "$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: sha256:365d9b14669f92fea0572234887def10439445c91d7e524c78a6579ad7294f11
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:android-6.1-latest
Fetching https://github.com/swift-cli/execute
Fetching https://github.com/jpsim/Yams.git
Fetching https://github.com/swift-cli/motor
Fetching https://github.com/apple/swift-argument-parser
Fetching https://github.com/swift-cli/ansi-escape-code
[1/48] Fetching motor
[24/87] Fetching motor, ansi-escape-code
Fetched https://github.com/swift-cli/ansi-escape-code from cache (0.34s)
[1/61] Fetching execute
Fetched https://github.com/swift-cli/motor from cache (0.34s)
[62/11908] Fetching execute, yams
[299/30054] Fetching execute, yams, swift-argument-parser
Fetched https://github.com/apple/swift-argument-parser from cache (0.71s)
[6814/11908] Fetching execute, yams
Fetched https://github.com/swift-cli/execute from cache (1.07s)
Fetched https://github.com/jpsim/Yams.git from cache (1.08s)
Computing version for https://github.com/swift-cli/ansi-escape-code
Computed https://github.com/swift-cli/ansi-escape-code at 0.1.2 (1.33s)
Computing version for https://github.com/swift-cli/execute
Computed https://github.com/swift-cli/execute at 0.1.2 (0.96s)
Computing version for https://github.com/swift-cli/motor
Computed https://github.com/swift-cli/motor at 0.1.3 (0.24s)
Computing version for https://github.com/jpsim/Yams.git
Computed https://github.com/jpsim/Yams.git at 6.2.2 (0.25s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.8.2 (0.29s)
Creating working copy for https://github.com/swift-cli/execute
Working copy of https://github.com/swift-cli/execute resolved at 0.1.2
Creating working copy for https://github.com/jpsim/Yams.git
Working copy of https://github.com/jpsim/Yams.git resolved at 6.2.2
Creating working copy for https://github.com/swift-cli/ansi-escape-code
Working copy of https://github.com/swift-cli/ansi-escape-code resolved at 0.1.2
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.8.2
Creating working copy for https://github.com/swift-cli/motor
Working copy of https://github.com/swift-cli/motor resolved at 0.1.3
[1/1] Compiling plugin GenerateManual
[2/2] Compiling plugin GenerateDoccReference
Building for debugging...
[2/25] Write sources
[9/25] Compiling writer.c
[10/25] Compiling reader.c
[11/25] Compiling api.c
[12/25] Compiling parser.c
[13/25] Write swift-version-24593BA9C3E375BF.txt
[14/25] Compiling scanner.c
[15/25] Compiling emitter.c
[17/65] Emitting module Execute
[18/65] Compiling ArgumentParserToolInfo ToolInfo.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[19/65] Emitting module ArgumentParserToolInfo
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[20/66] Compiling Yams Tag.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[21/66] Compiling Yams YamlAnchorProviding.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[22/68] Wrapping AST for ArgumentParserToolInfo for debugging
[24/115] Compiling Execute ProcessOperation.swift
[25/115] Compiling Execute ShCommand.swift
[26/115] Compiling Execute Command.swift
[27/115] Compiling Execute Shell.swift
[28/115] Compiling Execute Executor.swift
[29/115] Compiling ANSIEscapeCode EraseInLineType.swift
[30/115] Compiling ArgumentParser ArgumentDecoder.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[31/115] Compiling ArgumentParser ArgumentDefinition.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[32/116] Compiling ANSIEscapeCode PrintANSIEscapeCode.swift
[33/116] Compiling ArgumentParser BashCompletionsGenerator.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[34/116] Compiling ArgumentParser CompletionsGenerator.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[35/116] Compiling ArgumentParser FishCompletionsGenerator.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[36/116] Compiling Execute FileHandle+DataHandler.swift
/host/spi-builder-workspace/.build/checkouts/execute/Sources/Execute/DataHandler/FileHandle+DataHandler.swift:33:12: error: cannot find 'lseek' in scope
31 | /// - Parameter data: The data to be appended.
32 | public func handle(_ data: Data) {
33 | if lseek(fileDescriptor, 0, SEEK_CUR) != -1 {
| `- error: cannot find 'lseek' in scope
34 | seekToEndOfFile()
35 | }
[37/116] Compiling Execute DataHandler.swift
[38/116] Compiling ArgumentParser InputKey.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[39/116] Compiling ArgumentParser InputOrigin.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[40/116] Compiling ANSIEscapeCode String+ANSIEscapeCode.swift
[41/116] Compiling ANSIEscapeCode EraseInDisplayType.swift
[42/116] Compiling ANSIEscapeCode Scroll.swift
[43/116] Emitting module ANSIEscapeCode
[45/116] Compiling ArgumentParser ZshCompletionsGenerator.swift
[48/116] Emitting module Yams
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[49/116] Compiling ArgumentParser ArgumentHelp.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[50/116] Compiling ArgumentParser ArgumentVisibility.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[51/116] Compiling ArgumentParser CompletionKind.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[53/116] Compiling ArgumentParser Argument.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[54/116] Compiling ArgumentParser ArgumentDiscussion.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344844-1":/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: sha256:365d9b14669f92fea0572234887def10439445c91d7e524c78a6579ad7294f11
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:android-6.1-latest
[0/1] Planning build
[1/1] Compiling plugin GenerateManual
[2/2] Compiling plugin GenerateDoccReference
Building for debugging...
[2/12] Write swift-version-24593BA9C3E375BF.txt
[4/52] Compiling ANSIEscapeCode EraseInDisplayType.swift
[5/52] Compiling ANSIEscapeCode EraseInLineType.swift
[6/52] Compiling Yams Encoder.swift
[7/52] Compiling Yams Mark.swift
[8/52] Compiling ANSIEscapeCode PrintANSIEscapeCode.swift
[9/53] Compiling Execute ShCommand.swift
[10/53] Compiling Execute Shell.swift
[11/53] Compiling Execute DataHandler.swift
[12/53] Compiling Execute Command.swift
[13/53] Emitting module Execute
[14/53] Compiling ANSIEscapeCode Scroll.swift
[15/53] Compiling ANSIEscapeCode String+ANSIEscapeCode.swift
[16/53] Compiling Execute FileHandle+DataHandler.swift
/host/spi-builder-workspace/.build/checkouts/execute/Sources/Execute/DataHandler/FileHandle+DataHandler.swift:33:12: error: cannot find 'lseek' in scope
31 | /// - Parameter data: The data to be appended.
32 | public func handle(_ data: Data) {
33 | if lseek(fileDescriptor, 0, SEEK_CUR) != -1 {
| `- error: cannot find 'lseek' in scope
34 | seekToEndOfFile()
35 | }
[17/53] Compiling Execute ProcessOperation.swift
[18/53] Compiling Execute Executor.swift
[19/53] Emitting module ANSIEscapeCode
[20/53] Compiling Yams Decoder.swift
[21/53] Compiling Yams Emitter.swift
[22/53] Emitting module ArgumentParserToolInfo
BUILD FAILURE 6.1 android