Swift Package IndexBuild Information
Failed to build Threadcrumb, reference 1.0.1 (a5d287), with Swift 6.1 for Android on 29 May 2025 04:55:49 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.63.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/naftaly/Threadcrumb.git
Reference: 1.0.1
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/naftaly/Threadcrumb
* tag 1.0.1 -> FETCH_HEAD
HEAD is now at a5d2877 Updated availability, tests and readme.
Cloned https://github.com/naftaly/Threadcrumb.git
Revision (git rev-parse @):
a5d2877d31f9712837e78935be3293fb6be6e545
SUCCESS checkout https://github.com/naftaly/Threadcrumb.git at 1.0.1
========================================
Build
========================================
Selected platform: android
Swift version: 6.1
Building package at path: $PWD
https://github.com/naftaly/Threadcrumb.git
https://github.com/naftaly/Threadcrumb.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
"dependencies" : [
],
"manifest_display_name" : "Threadcrumb",
"name" : "Threadcrumb",
"path" : "/host/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "Threadcrumb",
"targets" : [
"Threadcrumb"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "ThreadcrumbTests",
"module_type" : "SwiftTarget",
"name" : "ThreadcrumbTests",
"path" : "Tests/ThreadcrumbTests",
"sources" : [
"ThreadcrumbTests.swift"
],
"target_dependencies" : [
"Threadcrumb"
],
"type" : "test"
},
{
"c99name" : "Threadcrumb",
"module_type" : "SwiftTarget",
"name" : "Threadcrumb",
"path" : "Sources/Threadcrumb",
"product_memberships" : [
"Threadcrumb"
],
"sources" : [
"Threadcrumb.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$PWD" registry.gitlab.com/finestructure/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 finestructure/spi-images
Digest: sha256:fe1962677657b2408c217cb5cceb3c09bc1d91486e360cebbc6eee461a5945d8
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:android-6.1-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/4] Emitting module Threadcrumb
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/host/spi-builder-workspace/Sources/Threadcrumb/Threadcrumb.swift:473:13: warning: let '_lookupTable' is not concurrency-safe because non-'Sendable' type '[String : (inout [String]) -> ()]' may have shared mutable state; this is an error in the Swift 6 language mode
471 | // MARK: - Lookup table
472 |
473 | private let _lookupTable: [String: (inout [String])->()] = [
| |- warning: let '_lookupTable' is not concurrency-safe because non-'Sendable' type '[String : (inout [String]) -> ()]' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make let '_lookupTable' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
474 | "0": THREAD_CRUMB__0,
475 | "1": THREAD_CRUMB__1,
[4/4] Compiling Threadcrumb Threadcrumb.swift
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/host/spi-builder-workspace/Sources/Threadcrumb/Threadcrumb.swift:473:13: warning: let '_lookupTable' is not concurrency-safe because non-'Sendable' type '[String : (inout [String]) -> ()]' may have shared mutable state; this is an error in the Swift 6 language mode
471 | // MARK: - Lookup table
472 |
473 | private let _lookupTable: [String: (inout [String])->()] = [
| |- warning: let '_lookupTable' is not concurrency-safe because non-'Sendable' type '[String : (inout [String]) -> ()]' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make let '_lookupTable' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
474 | "0": THREAD_CRUMB__0,
475 | "1": THREAD_CRUMB__1,
/host/spi-builder-workspace/Sources/Threadcrumb/Threadcrumb.swift:23:30: warning: capture of 'self' with non-sendable type 'Threadcrumb?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
8 |
9 | @available(iOS 16.0, macOS 13.0, tvOS 16.0, watchOS 9.0, visionOS 1.0, *)
10 | final public class Threadcrumb {
| `- note: class 'Threadcrumb' does not conform to the 'Sendable' protocol
11 |
12 | /// The identifier for the thread.
:
21 |
22 | self._thread = Thread { [weak self] in
23 | guard let self = self else {
| `- warning: capture of 'self' with non-sendable type 'Threadcrumb?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
24 | return
25 | }
/host/spi-builder-workspace/Sources/Threadcrumb/Threadcrumb.swift:71:19: error: missing argument label 'arguments:' in call
69 | /// - arguments: The arguments to substitute into `format`.
70 | public func log(_ format: String, _ arguments: CVarArg...) {
71 | log(String(format: format, arguments))
| `- error: missing argument label 'arguments:' in call
72 | }
73 |
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1
android-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:fe1962677657b2408c217cb5cceb3c09bc1d91486e360cebbc6eee461a5945d8
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:android-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/3] Emitting module Threadcrumb
[3/3] Compiling Threadcrumb Threadcrumb.swift
/host/spi-builder-workspace/Sources/Threadcrumb/Threadcrumb.swift:71:19: error: missing argument label 'arguments:' in call
69 | /// - arguments: The arguments to substitute into `format`.
70 | public func log(_ format: String, _ arguments: CVarArg...) {
71 | log(String(format: format, arguments))
| `- error: missing argument label 'arguments:' in call
72 | }
73 |
BUILD FAILURE 6.1 android