Swift Package Index

Build Information

Failed to build SwiftGmailClient, reference v0.1.9 (27fb53), with Swift 6.1 for Linux on 21 Jan 2026 11:38:53 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/levzem/SwiftGmailClient.git
Reference: v0.1.9
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/levzem/SwiftGmailClient
 * tag               v0.1.9     -> FETCH_HEAD
HEAD is now at 27fb539 reamde
Cloned https://github.com/levzem/SwiftGmailClient.git
Revision (git rev-parse @):
27fb53938f25ea6c8828c0bd8cd9f1732ff3136a
SUCCESS checkout https://github.com/levzem/SwiftGmailClient.git at v0.1.9
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/levzem/SwiftGmailClient.git
https://github.com/levzem/SwiftGmailClient.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SwiftGmailClient",
  "name" : "SwiftGmailClient",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "11.0"
    },
    {
      "name" : "ios",
      "version" : "14.0"
    }
  ],
  "products" : [
    {
      "name" : "SwiftGmailClient",
      "targets" : [
        "SwiftGmailClient"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftGmailClientTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftGmailClientTests",
      "path" : "Tests/SwiftGmailClientTests",
      "sources" : [
        "Api/LabelsApiTest.swift",
        "Api/MessagesApiTest.swift",
        "BaseTest.swift"
      ],
      "target_dependencies" : [
        "SwiftGmailClient"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftGmailClient",
      "module_type" : "SwiftTarget",
      "name" : "SwiftGmailClient",
      "path" : "Sources/SwiftGmailClient",
      "product_memberships" : [
        "SwiftGmailClient"
      ],
      "sources" : [
        "Api/CredentialsProvider.swift",
        "Api/HttpApiClient.swift",
        "Api/LabelsApi.swift",
        "Api/MessagesApi.swift",
        "Api/UsersApi.swift",
        "Gmail.swift",
        "Utils/Functional.swift",
        "Utils/Logging.swift",
        "Utils/Serialization.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.1"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/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 finestructure/spi-images
Digest: sha256:5a651828b24304580408903d9e8c129215b04dc69edd6058f3847d01e034cce9
Status: Image is up to date for registry.gitlab.com/finestructure/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)
[3/11] Compiling SwiftGmailClient Gmail.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/SwiftGmailClient/Api/CredentialsProvider.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | public protocol CredentialsProvider {
[4/11] Emitting module SwiftGmailClient
<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/SwiftGmailClient/Api/CredentialsProvider.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | public protocol CredentialsProvider {
[5/11] Compiling SwiftGmailClient CredentialsProvider.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/SwiftGmailClient/Api/CredentialsProvider.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | public protocol CredentialsProvider {
[6/11] Compiling SwiftGmailClient HttpApiClient.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/SwiftGmailClient/Api/CredentialsProvider.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | public protocol CredentialsProvider {
[7/12] Compiling SwiftGmailClient Logging.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/SwiftGmailClient/Api/CredentialsProvider.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | public protocol CredentialsProvider {
[8/12] Compiling SwiftGmailClient Functional.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/SwiftGmailClient/Api/CredentialsProvider.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | public protocol CredentialsProvider {
[9/12] Compiling SwiftGmailClient LabelsApi.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/SwiftGmailClient/Api/CredentialsProvider.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | public protocol CredentialsProvider {
[10/12] Compiling SwiftGmailClient MessagesApi.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/SwiftGmailClient/Api/CredentialsProvider.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | public protocol CredentialsProvider {
[11/12] Compiling SwiftGmailClient UsersApi.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/SwiftGmailClient/Api/CredentialsProvider.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | public protocol CredentialsProvider {
[12/12] Compiling SwiftGmailClient Serialization.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/SwiftGmailClient/Api/CredentialsProvider.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | public protocol CredentialsProvider {
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:5a651828b24304580408903d9e8c129215b04dc69edd6058f3847d01e034cce9
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/10] Compiling SwiftGmailClient Gmail.swift
/host/spi-builder-workspace/Sources/SwiftGmailClient/Api/CredentialsProvider.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | public protocol CredentialsProvider {
[3/10] Compiling SwiftGmailClient Logging.swift
/host/spi-builder-workspace/Sources/SwiftGmailClient/Api/CredentialsProvider.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | public protocol CredentialsProvider {
[4/11] Compiling SwiftGmailClient Functional.swift
/host/spi-builder-workspace/Sources/SwiftGmailClient/Api/CredentialsProvider.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | public protocol CredentialsProvider {
[5/11] Compiling SwiftGmailClient Serialization.swift
/host/spi-builder-workspace/Sources/SwiftGmailClient/Api/CredentialsProvider.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | public protocol CredentialsProvider {
[6/11] Compiling SwiftGmailClient UsersApi.swift
/host/spi-builder-workspace/Sources/SwiftGmailClient/Api/CredentialsProvider.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | public protocol CredentialsProvider {
[7/11] Compiling SwiftGmailClient MessagesApi.swift
/host/spi-builder-workspace/Sources/SwiftGmailClient/Api/CredentialsProvider.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | public protocol CredentialsProvider {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[8/11] Emitting module SwiftGmailClient
/host/spi-builder-workspace/Sources/SwiftGmailClient/Api/CredentialsProvider.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | public protocol CredentialsProvider {
[9/11] Compiling SwiftGmailClient CredentialsProvider.swift
/host/spi-builder-workspace/Sources/SwiftGmailClient/Api/CredentialsProvider.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | public protocol CredentialsProvider {
[10/11] Compiling SwiftGmailClient HttpApiClient.swift
/host/spi-builder-workspace/Sources/SwiftGmailClient/Api/CredentialsProvider.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | public protocol CredentialsProvider {
[11/11] Compiling SwiftGmailClient LabelsApi.swift
/host/spi-builder-workspace/Sources/SwiftGmailClient/Api/CredentialsProvider.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | public protocol CredentialsProvider {
BUILD FAILURE 6.1 linux