Swift Package IndexBuild Information
Successful build of Fetcher, reference main (2549e3), with Swift 6.1 for macOS (SPM) on 14 Jan 2026 11:53:33 UTC.
Swift 6 data race errors: 1
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -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 InferSendableFromCapturesBuild Log
========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Snapp-Mobile/Fetcher.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Snapp-Mobile/Fetcher
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 2549e33 Add documentation section to README
Cloned https://github.com/Snapp-Mobile/Fetcher.git
Revision (git rev-parse @):
2549e33fb318d5172703d46832269270ff183cc2
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/Snapp-Mobile/Fetcher.git at main
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/Snapp-Mobile/Fetcher.git
https://github.com/Snapp-Mobile/Fetcher.git
{
"dependencies" : [
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"identity" : "swiftformatlintplugin",
"requirement" : {
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"type" : "sourceControl",
"url" : "https://github.com/Snapp-Mobile/SwiftFormatLintPlugin.git"
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],
"manifest_display_name" : "Fetcher",
"name" : "Fetcher",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "13.0"
},
{
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"Fetcher"
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"targets" : [
{
"c99name" : "FetcherTests",
"module_type" : "SwiftTarget",
"name" : "FetcherTests",
"path" : "Tests/FetcherTests",
"sources" : [
"ErrorHandlingTests.swift",
"FetcherFailingTests.swift",
"FetcherNoNetworkTests.swift",
"FetcherTests.swift",
"Shared/FailingAPIURL.swift",
"Shared/FailingAPIURLMock.swift",
"Shared/FetcherAPIURL.swift",
"Shared/FetcherAPIURLMock.swift",
"Shared/FetcherEnvironmentMock.swift",
"Shared/FetcherMocks.swift",
"TokenTests.swift"
],
"target_dependencies" : [
"Fetcher"
],
"type" : "test"
},
{
"c99name" : "Fetcher",
"module_type" : "SwiftTarget",
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"path" : "Sources/Fetcher",
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"product_memberships" : [
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"resources" : [
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"rule" : {
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{
"path" : "/Users/admin/builder/spi-builder-workspace/Sources/Fetcher/Mocks/error.json",
"rule" : {
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},
{
"path" : "/Users/admin/builder/spi-builder-workspace/Sources/Fetcher/Mocks/getData.json",
"rule" : {
"process" : {
}
}
},
{
"path" : "/Users/admin/builder/spi-builder-workspace/Sources/Fetcher/Mocks/refreshToken.json",
"rule" : {
"process" : {
}
}
},
{
"path" : "/Users/admin/builder/spi-builder-workspace/Sources/Fetcher/Mocks/tokenError.json",
"rule" : {
"process" : {
}
}
}
],
"sources" : [
"Extensions/OSLog+Categories.swift",
"Extensions/URLSession+Backports.swift",
"Fetcher+Concurrency.swift",
"Fetcher.swift",
"Models/APIError.swift",
"Models/Mock/APIURLMock.swift",
"Models/Mock/URLProtocolMock.swift",
"Models/ServerErrorResponse.swift",
"Models/Token.swift",
"Models/TokenErrorResponse.swift",
"Protocols/APIURL.swift",
"Protocols/FetcherEnvironment.swift",
"Protocols/FetcherLogger.swift"
],
"type" : "library"
}
],
"tools_version" : "5.6"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -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
[1/1] Compiling plugin FormatPlugin
[2/2] Compiling plugin LintPlugin
Building for debugging...
[2/9] Write sources
[3/9] Copying tokenError.json
[3/9] Copying getData.json
[3/9] Copying refreshToken.json
[3/9] Copying empty.json
[6/9] Copying error.json
[8/9] Write swift-version-2F0A5646E1D333AE.txt
[10/23] Compiling Fetcher FetcherEnvironment.swift
[11/23] Compiling Fetcher FetcherLogger.swift
[12/23] Compiling Fetcher APIURL.swift
[13/24] Compiling Fetcher URLProtocolMock.swift
[14/24] Compiling Fetcher ServerErrorResponse.swift
[15/24] Compiling Fetcher APIError.swift
[16/24] Compiling Fetcher APIURLMock.swift
[17/24] Compiling Fetcher Token.swift
[18/24] Compiling Fetcher Fetcher+Concurrency.swift
[19/24] Compiling Fetcher Fetcher.swift
[20/24] Compiling Fetcher TokenErrorResponse.swift
[21/24] Emitting module Fetcher
/Users/admin/builder/spi-builder-workspace/Sources/Fetcher/Extensions/OSLog+Categories.swift:12:24: warning: static property 'subsystem' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
10 |
11 | extension OSLog {
12 | private static var subsystem = Bundle.main.bundleIdentifier!
| |- warning: static property 'subsystem' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'subsystem' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'subsystem' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
13 |
14 | /// Logs the view cycles like viewDidLoad.
[22/24] Compiling Fetcher OSLog+Categories.swift
/Users/admin/builder/spi-builder-workspace/Sources/Fetcher/Extensions/OSLog+Categories.swift:12:24: warning: static property 'subsystem' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
10 |
11 | extension OSLog {
12 | private static var subsystem = Bundle.main.bundleIdentifier!
| |- warning: static property 'subsystem' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'subsystem' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'subsystem' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
13 |
14 | /// Logs the view cycles like viewDidLoad.
[23/24] Compiling Fetcher URLSession+Backports.swift
/Users/admin/builder/spi-builder-workspace/Sources/Fetcher/Extensions/OSLog+Categories.swift:12:24: warning: static property 'subsystem' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
10 |
11 | extension OSLog {
12 | private static var subsystem = Bundle.main.bundleIdentifier!
| |- warning: static property 'subsystem' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'subsystem' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'subsystem' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
13 |
14 | /// Logs the view cycles like viewDidLoad.
[24/24] Compiling Fetcher resource_bundle_accessor.swift
Build complete! (10.91s)
Fetching https://github.com/Snapp-Mobile/SwiftFormatLintPlugin.git
[1/148] Fetching swiftformatlintplugin
Fetched https://github.com/Snapp-Mobile/SwiftFormatLintPlugin.git from cache (1.32s)
Computing version for https://github.com/Snapp-Mobile/SwiftFormatLintPlugin.git
Computed https://github.com/Snapp-Mobile/SwiftFormatLintPlugin.git at 1.0.4 (1.84s)
Creating working copy for https://github.com/Snapp-Mobile/SwiftFormatLintPlugin.git
Working copy of https://github.com/Snapp-Mobile/SwiftFormatLintPlugin.git resolved at 1.0.4
Build complete.
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"type" : "sourceControl",
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"path" : "Tests/FetcherTests",
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"FetcherFailingTests.swift",
"FetcherNoNetworkTests.swift",
"FetcherTests.swift",
"Shared/FailingAPIURL.swift",
"Shared/FailingAPIURLMock.swift",
"Shared/FetcherAPIURL.swift",
"Shared/FetcherAPIURLMock.swift",
"Shared/FetcherEnvironmentMock.swift",
"Shared/FetcherMocks.swift",
"TokenTests.swift"
],
"target_dependencies" : [
"Fetcher"
],
"type" : "test"
},
{
"c99name" : "Fetcher",
"module_type" : "SwiftTarget",
"name" : "Fetcher",
"path" : "Sources/Fetcher",
"product_dependencies" : [
"Lint"
],
"product_memberships" : [
"Fetcher"
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"resources" : [
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"rule" : {
"process" : {
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},
{
"path" : "/Users/admin/builder/spi-builder-workspace/Sources/Fetcher/Mocks/error.json",
"rule" : {
"process" : {
}
}
},
{
"path" : "/Users/admin/builder/spi-builder-workspace/Sources/Fetcher/Mocks/getData.json",
"rule" : {
"process" : {
}
}
},
{
"path" : "/Users/admin/builder/spi-builder-workspace/Sources/Fetcher/Mocks/refreshToken.json",
"rule" : {
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}
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},
{
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"rule" : {
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}
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],
"sources" : [
"Extensions/OSLog+Categories.swift",
"Extensions/URLSession+Backports.swift",
"Fetcher+Concurrency.swift",
"Fetcher.swift",
"Models/APIError.swift",
"Models/Mock/APIURLMock.swift",
"Models/Mock/URLProtocolMock.swift",
"Models/ServerErrorResponse.swift",
"Models/Token.swift",
"Models/TokenErrorResponse.swift",
"Protocols/APIURL.swift",
"Protocols/FetcherEnvironment.swift",
"Protocols/FetcherLogger.swift"
],
"type" : "library"
}
],
"tools_version" : "5.6"
}
Done.