Build Information
Failed to build FTAPIKit, reference 3.0.0 (c50741), with Swift 6.1 for Linux on 7 Sep 2026 16:26:00 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/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:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
========================================
RunAll
========================================
Builder version: 5.0.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/futuredapp/FTAPIKit.git
Reference: 3.0.0
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/futuredapp/FTAPIKit
* tag 3.0.0 -> FETCH_HEAD
HEAD is now at c50741a Merge pull request #117 from futuredapp/feature/sendable-endpoint
Cloned https://github.com/futuredapp/FTAPIKit.git
Revision (git rev-parse @):
c50741a75879f2d1e78676e881b5a2a9d3427206
SUCCESS checkout https://github.com/futuredapp/FTAPIKit.git at 3.0.0
========================================
Build
========================================
Selected platform: linux
Swift version: 6.1
Building package at path: $PWD
https://github.com/futuredapp/FTAPIKit.git
https://github.com/futuredapp/FTAPIKit.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images: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 saguaro1/spi-images
Digest: sha256:dff62030f4387a2d827d2b365d39a91716bd1d13650763ccbcbfe23419000563
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:basic-6.1-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/18] Emitting module FTAPIKit
<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
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[4/20] Compiling FTAPIKit URL+MIME.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
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[5/20] Compiling FTAPIKit URL+Query.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
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[6/20] Compiling FTAPIKit URLQuery.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
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[7/20] Compiling FTAPIKit URLRequestBuilder.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
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[8/20] Compiling FTAPIKit URLServer+Async.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
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[9/20] Compiling FTAPIKit URLServer.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
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[10/20] Compiling FTAPIKit APIError+Standard.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
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[11/20] Compiling FTAPIKit APIError.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
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[12/20] Compiling FTAPIKit CharacterSet+URLQuery.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
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[13/20] Compiling FTAPIKit Coding.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
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[14/20] Compiling FTAPIKit Endpoint.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
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[15/20] Compiling FTAPIKit HTTPMethod.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
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[16/20] Compiling FTAPIKit MultipartBodyPart.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
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[17/20] Compiling FTAPIKit MultipartFormData.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
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[18/20] Compiling FTAPIKit NetworkObserver.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
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[19/20] Compiling FTAPIKit OutputStream+Write.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
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[20/20] Compiling FTAPIKit RequestConfiguring.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
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/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:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.1-latest: Pulling from saguaro1/spi-images
Digest: sha256:dff62030f4387a2d827d2b365d39a91716bd1d13650763ccbcbfe23419000563
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:basic-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/17] Compiling FTAPIKit MultipartFormData.swift
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[3/17] Compiling FTAPIKit NetworkObserver.swift
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[4/19] Emitting module FTAPIKit
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[5/19] Compiling FTAPIKit Coding.swift
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[6/19] Compiling FTAPIKit Endpoint.swift
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[7/19] Compiling FTAPIKit HTTPMethod.swift
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[8/19] Compiling FTAPIKit MultipartBodyPart.swift
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[9/19] Compiling FTAPIKit OutputStream+Write.swift
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[10/19] Compiling FTAPIKit RequestConfiguring.swift
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[11/19] Compiling FTAPIKit URL+MIME.swift
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[12/19] Compiling FTAPIKit URL+Query.swift
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[13/19] Compiling FTAPIKit APIError+Standard.swift
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[14/19] Compiling FTAPIKit APIError.swift
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[15/19] Compiling FTAPIKit CharacterSet+URLQuery.swift
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[16/19] Compiling FTAPIKit URLQuery.swift
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[17/19] Compiling FTAPIKit URLRequestBuilder.swift
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[18/19] Compiling FTAPIKit URLServer+Async.swift
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
[19/19] Compiling FTAPIKit URLServer.swift
/host/spi-builder-workspace/Sources/FTAPIKit/OutputStream+Write.swift:2:8: error: no such module 'os'
1 | import Foundation
2 | import os
| `- error: no such module 'os'
3 |
4 | extension Stream {
BUILD FAILURE 6.1 linux