Swift Package IndexBuild Information
Failed to build FDec, reference main (f77b37), with Swift 6.1 for Android on 2 Dec 2025 18:17:53 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/metatronsw/FDec.git
Reference: main
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/metatronsw/FDec
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at f77b37a + Minor bug fixes and cosmetic improvements
Cloned https://github.com/metatronsw/FDec.git
Revision (git rev-parse @):
f77b37a4daa62a72c99d49b973414c7220bffefe
SUCCESS checkout https://github.com/metatronsw/FDec.git at main
========================================
Build
========================================
Selected platform: android
Swift version: 6.1
Building package at path: $PWD
https://github.com/metatronsw/FDec.git
https://github.com/metatronsw/FDec.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
"dependencies" : [
],
"manifest_display_name" : "FDec",
"name" : "FDec",
"path" : "/host/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "FDec",
"targets" : [
"FDec"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "FDecTests",
"module_type" : "SwiftTarget",
"name" : "FDecTests",
"path" : "Tests/FDecTests",
"sources" : [
"FDecTests.swift"
],
"target_dependencies" : [
"FDec"
],
"type" : "test"
},
{
"c99name" : "FDec",
"module_type" : "SwiftTarget",
"name" : "FDec",
"path" : "Sources/FDec",
"product_memberships" : [
"FDec"
],
"sources" : [
"FDec.swift"
],
"type" : "library"
}
],
"tools_version" : "5.7"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images: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: sha256:91d018f1076d6a900d71818287e1b2618039c67008f0564a121787f87e1ae735
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 FDec
/host/spi-builder-workspace/Sources/FDec/FDec.swift:43:20: warning: static property 'decimalPlaces' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
41 | /// Project-based setting that lets you set the number of decimal places.
42 | ///
43 | public static var decimalPlaces: Int = 4 {
| |- warning: static property 'decimalPlaces' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'decimalPlaces' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'decimalPlaces' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 | didSet {
45 | pow = decimalPlaces.pow10()
/host/spi-builder-workspace/Sources/FDec/FDec.swift:51:20: warning: static property 'pow' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
49 | }
50 |
51 | public static var pow = decimalPlaces.pow10()
| |- warning: static property 'pow' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'pow' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'pow' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
52 | public static var zeroShift = String(repeating: "0", count: decimalPlaces)
53 | public static var intMaxDecimals = 19 - decimalPlaces
/host/spi-builder-workspace/Sources/FDec/FDec.swift:52:20: warning: static property 'zeroShift' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
50 |
51 | public static var pow = decimalPlaces.pow10()
52 | public static var zeroShift = String(repeating: "0", count: decimalPlaces)
| |- warning: static property 'zeroShift' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'zeroShift' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'zeroShift' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
53 | public static var intMaxDecimals = 19 - decimalPlaces
54 |
/host/spi-builder-workspace/Sources/FDec/FDec.swift:53:20: warning: static property 'intMaxDecimals' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
51 | public static var pow = decimalPlaces.pow10()
52 | public static var zeroShift = String(repeating: "0", count: decimalPlaces)
53 | public static var intMaxDecimals = 19 - decimalPlaces
| |- warning: static property 'intMaxDecimals' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'intMaxDecimals' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'intMaxDecimals' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
54 |
55 | public static let zero = FDec()
/host/spi-builder-workspace/Sources/FDec/FDec.swift:55:20: warning: static property 'zero' is not concurrency-safe because non-'Sendable' type 'FDec' may have shared mutable state; this is an error in the Swift 6 language mode
17 | /// A fixed decimal number format.
18 | ///
19 | public struct FDec {
| `- note: consider making struct 'FDec' conform to the 'Sendable' protocol
20 |
21 | /// The value actually shifted & stored inernaly
:
53 | public static var intMaxDecimals = 19 - decimalPlaces
54 |
55 | public static let zero = FDec()
| |- warning: static property 'zero' is not concurrency-safe because non-'Sendable' type 'FDec' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'zero' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
56 | public static let infinity = FDec(raw: Int.max)
57 | public static let nan = FDec(raw: Int.min)
/host/spi-builder-workspace/Sources/FDec/FDec.swift:56:20: warning: static property 'infinity' is not concurrency-safe because non-'Sendable' type 'FDec' may have shared mutable state; this is an error in the Swift 6 language mode
17 | /// A fixed decimal number format.
18 | ///
19 | public struct FDec {
| `- note: consider making struct 'FDec' conform to the 'Sendable' protocol
20 |
21 | /// The value actually shifted & stored inernaly
:
54 |
55 | public static let zero = FDec()
56 | public static let infinity = FDec(raw: Int.max)
| |- warning: static property 'infinity' is not concurrency-safe because non-'Sendable' type 'FDec' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'infinity' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
57 | public static let nan = FDec(raw: Int.min)
58 |
/host/spi-builder-workspace/Sources/FDec/FDec.swift:57:20: warning: static property 'nan' is not concurrency-safe because non-'Sendable' type 'FDec' may have shared mutable state; this is an error in the Swift 6 language mode
17 | /// A fixed decimal number format.
18 | ///
19 | public struct FDec {
| `- note: consider making struct 'FDec' conform to the 'Sendable' protocol
20 |
21 | /// The value actually shifted & stored inernaly
:
55 | public static let zero = FDec()
56 | public static let infinity = FDec(raw: Int.max)
57 | public static let nan = FDec(raw: Int.min)
| |- warning: static property 'nan' is not concurrency-safe because non-'Sendable' type 'FDec' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'nan' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
58 |
59 | // MARK: Private Static - Helper numbers, for quick internal operations
[4/4] Compiling FDec FDec.swift
/host/spi-builder-workspace/Sources/FDec/FDec.swift:43:20: warning: static property 'decimalPlaces' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
41 | /// Project-based setting that lets you set the number of decimal places.
42 | ///
43 | public static var decimalPlaces: Int = 4 {
| |- warning: static property 'decimalPlaces' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'decimalPlaces' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'decimalPlaces' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 | didSet {
45 | pow = decimalPlaces.pow10()
/host/spi-builder-workspace/Sources/FDec/FDec.swift:51:20: warning: static property 'pow' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
49 | }
50 |
51 | public static var pow = decimalPlaces.pow10()
| |- warning: static property 'pow' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'pow' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'pow' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
52 | public static var zeroShift = String(repeating: "0", count: decimalPlaces)
53 | public static var intMaxDecimals = 19 - decimalPlaces
/host/spi-builder-workspace/Sources/FDec/FDec.swift:52:20: warning: static property 'zeroShift' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
50 |
51 | public static var pow = decimalPlaces.pow10()
52 | public static var zeroShift = String(repeating: "0", count: decimalPlaces)
| |- warning: static property 'zeroShift' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'zeroShift' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'zeroShift' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
53 | public static var intMaxDecimals = 19 - decimalPlaces
54 |
/host/spi-builder-workspace/Sources/FDec/FDec.swift:53:20: warning: static property 'intMaxDecimals' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
51 | public static var pow = decimalPlaces.pow10()
52 | public static var zeroShift = String(repeating: "0", count: decimalPlaces)
53 | public static var intMaxDecimals = 19 - decimalPlaces
| |- warning: static property 'intMaxDecimals' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'intMaxDecimals' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'intMaxDecimals' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
54 |
55 | public static let zero = FDec()
/host/spi-builder-workspace/Sources/FDec/FDec.swift:55:20: warning: static property 'zero' is not concurrency-safe because non-'Sendable' type 'FDec' may have shared mutable state; this is an error in the Swift 6 language mode
17 | /// A fixed decimal number format.
18 | ///
19 | public struct FDec {
| `- note: consider making struct 'FDec' conform to the 'Sendable' protocol
20 |
21 | /// The value actually shifted & stored inernaly
:
53 | public static var intMaxDecimals = 19 - decimalPlaces
54 |
55 | public static let zero = FDec()
| |- warning: static property 'zero' is not concurrency-safe because non-'Sendable' type 'FDec' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'zero' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
56 | public static let infinity = FDec(raw: Int.max)
57 | public static let nan = FDec(raw: Int.min)
/host/spi-builder-workspace/Sources/FDec/FDec.swift:56:20: warning: static property 'infinity' is not concurrency-safe because non-'Sendable' type 'FDec' may have shared mutable state; this is an error in the Swift 6 language mode
17 | /// A fixed decimal number format.
18 | ///
19 | public struct FDec {
| `- note: consider making struct 'FDec' conform to the 'Sendable' protocol
20 |
21 | /// The value actually shifted & stored inernaly
:
54 |
55 | public static let zero = FDec()
56 | public static let infinity = FDec(raw: Int.max)
| |- warning: static property 'infinity' is not concurrency-safe because non-'Sendable' type 'FDec' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'infinity' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
57 | public static let nan = FDec(raw: Int.min)
58 |
/host/spi-builder-workspace/Sources/FDec/FDec.swift:57:20: warning: static property 'nan' is not concurrency-safe because non-'Sendable' type 'FDec' may have shared mutable state; this is an error in the Swift 6 language mode
17 | /// A fixed decimal number format.
18 | ///
19 | public struct FDec {
| `- note: consider making struct 'FDec' conform to the 'Sendable' protocol
20 |
21 | /// The value actually shifted & stored inernaly
:
55 | public static let zero = FDec()
56 | public static let infinity = FDec(raw: Int.max)
57 | public static let nan = FDec(raw: Int.min)
| |- warning: static property 'nan' is not concurrency-safe because non-'Sendable' type 'FDec' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'nan' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
58 |
59 | // MARK: Private Static - Helper numbers, for quick internal operations
/host/spi-builder-workspace/Sources/FDec/FDec.swift:507:14: error: cannot find 'Darwin' in scope
505 | public extension FDec {
506 | func sqrt() -> FDec {
507 | let root = Darwin.sqrt(asDouble)
| `- error: cannot find 'Darwin' in scope
508 | return FDec(truncating: root)
509 | }
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1
android-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:91d018f1076d6a900d71818287e1b2618039c67008f0564a121787f87e1ae735
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 FDec
[3/3] Compiling FDec FDec.swift
/host/spi-builder-workspace/Sources/FDec/FDec.swift:507:14: error: cannot find 'Darwin' in scope
505 | public extension FDec {
506 | func sqrt() -> FDec {
507 | let root = Darwin.sqrt(asDouble)
| `- error: cannot find 'Darwin' in scope
508 | return FDec(truncating: root)
509 | }
BUILD FAILURE 6.1 android