Swift Package IndexBuild Information
Successful build of sstv, reference v0.6.0 (2b95e6), with Swift 6.1 for macOS (SPM) on 8 Feb 2026 07:45:15 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/kevinnz/SSTV-MEL.git
Reference: v0.6.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/kevinnz/SSTV-MEL
* tag v0.6.0 -> FETCH_HEAD
HEAD is now at 2b95e6d chore: prepare v0.6.0 release
Cloned https://github.com/kevinnz/SSTV-MEL.git
Revision (git rev-parse @):
2b95e6dda92840666390db10a9c1511d15759861
SUCCESS checkout https://github.com/kevinnz/SSTV-MEL.git at v0.6.0
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/kevinnz/SSTV-MEL.git
https://github.com/kevinnz/SSTV-MEL.git
{
"dependencies" : [
],
"manifest_display_name" : "sstv",
"name" : "sstv",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "13.0"
},
{
"name" : "ios",
"version" : "16.0"
}
],
"products" : [
{
"name" : "SSTVCore",
"targets" : [
"SSTVCore"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "sstv",
"targets" : [
"sstv"
],
"type" : {
"executable" : null
}
}
],
"targets" : [
{
"c99name" : "sstvTests",
"module_type" : "SwiftTarget",
"name" : "sstvTests",
"path" : "Tests/sstvTests",
"sources" : [
"DecoderStateTests.swift",
"GoldenFileTests.swift",
"PD120ModeTests.swift",
"PD180ModeTests.swift",
"Robot36ModeTests.swift"
],
"target_dependencies" : [
"SSTVCore"
],
"type" : "test"
},
{
"c99name" : "sstv",
"module_type" : "SwiftTarget",
"name" : "sstv",
"path" : "Sources/sstv",
"product_memberships" : [
"sstv"
],
"sources" : [
"main.swift"
],
"target_dependencies" : [
"SSTVCore"
],
"type" : "executable"
},
{
"c99name" : "SSTVCore",
"module_type" : "SwiftTarget",
"name" : "SSTVCore",
"path" : "Sources/SSTVCore",
"product_memberships" : [
"SSTVCore",
"sstv"
],
"sources" : [
"Audio/WAVReader.swift",
"DSP/FMDemodulator.swift",
"DSP/Goertzel.swift",
"Image/ImageBuffer.swift",
"Image/ImageWriter.swift",
"Modes/ModeParameters.swift",
"Modes/PD120Mode.swift",
"Modes/PD180Mode.swift",
"Modes/Robot36Mode.swift",
"SSTV/DecoderDelegate.swift",
"SSTV/DecodingOptions.swift",
"SSTV/DecodingProgress.swift",
"SSTV/SSTVDecoder.swift",
"SSTV/SSTVDecoderCore.swift",
"SSTV/SSTVMode.swift",
"SSTV/VISDetector.swift",
"Util/ImageComparison.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
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
Building for debugging...
[0/7] Write sstv-entitlement.plist
[0/7] Write sources
[3/7] Write swift-version-2F0A5646E1D333AE.txt
[5/24] Compiling SSTVCore VISDetector.swift
[6/24] Compiling SSTVCore SSTVDecoder.swift
[7/24] Compiling SSTVCore SSTVDecoderCore.swift
[8/24] Compiling SSTVCore SSTVMode.swift
[9/24] Compiling SSTVCore DecodingOptions.swift
/Users/admin/builder/spi-builder-workspace/Sources/SSTVCore/SSTV/DecodingOptions.swift:149:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'DecodingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
40 | /// let buffer = try decoder.decode(audio: audio, options: options)
41 | /// ```
42 | public struct DecodingOptions {
| `- note: consider making struct 'DecodingOptions' conform to the 'Sendable' protocol
43 |
44 | // MARK: - Limits
:
147 |
148 | /// Default options with no adjustments
149 | public static let `default` = DecodingOptions()
| |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'DecodingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
150 |
151 | // MARK: - Computed Properties
[10/24] Compiling SSTVCore DecodingProgress.swift
/Users/admin/builder/spi-builder-workspace/Sources/SSTVCore/SSTV/DecodingOptions.swift:149:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'DecodingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
40 | /// let buffer = try decoder.decode(audio: audio, options: options)
41 | /// ```
42 | public struct DecodingOptions {
| `- note: consider making struct 'DecodingOptions' conform to the 'Sendable' protocol
43 |
44 | // MARK: - Limits
:
147 |
148 | /// Default options with no adjustments
149 | public static let `default` = DecodingOptions()
| |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'DecodingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
150 |
151 | // MARK: - Computed Properties
[11/24] Compiling SSTVCore Robot36Mode.swift
[12/24] Compiling SSTVCore DecoderDelegate.swift
[13/24] Compiling SSTVCore Goertzel.swift
[14/24] Compiling SSTVCore ImageBuffer.swift
[15/25] Compiling SSTVCore PD120Mode.swift
[16/25] Compiling SSTVCore PD180Mode.swift
[17/25] Compiling SSTVCore ImageWriter.swift
[18/25] Compiling SSTVCore ModeParameters.swift
[19/25] Compiling SSTVCore ImageComparison.swift
[20/25] Emitting module SSTVCore
/Users/admin/builder/spi-builder-workspace/Sources/SSTVCore/SSTV/DecodingOptions.swift:149:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'DecodingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
40 | /// let buffer = try decoder.decode(audio: audio, options: options)
41 | /// ```
42 | public struct DecodingOptions {
| `- note: consider making struct 'DecodingOptions' conform to the 'Sendable' protocol
43 |
44 | // MARK: - Limits
:
147 |
148 | /// Default options with no adjustments
149 | public static let `default` = DecodingOptions()
| |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'DecodingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
150 |
151 | // MARK: - Computed Properties
[21/25] Compiling SSTVCore WAVReader.swift
[22/25] Compiling SSTVCore FMDemodulator.swift
[23/27] Emitting module sstv
[24/27] Compiling sstv main.swift
[24/27] Write Objects.LinkFileList
[25/27] Linking sstv
[26/27] Applying sstv
Build complete! (8.29s)
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "sstv",
"name" : "sstv",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "13.0"
},
{
"name" : "ios",
"version" : "16.0"
}
],
"products" : [
{
"name" : "SSTVCore",
"targets" : [
"SSTVCore"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "sstv",
"targets" : [
"sstv"
],
"type" : {
"executable" : null
}
}
],
"targets" : [
{
"c99name" : "sstvTests",
"module_type" : "SwiftTarget",
"name" : "sstvTests",
"path" : "Tests/sstvTests",
"sources" : [
"DecoderStateTests.swift",
"GoldenFileTests.swift",
"PD120ModeTests.swift",
"PD180ModeTests.swift",
"Robot36ModeTests.swift"
],
"target_dependencies" : [
"SSTVCore"
],
"type" : "test"
},
{
"c99name" : "sstv",
"module_type" : "SwiftTarget",
"name" : "sstv",
"path" : "Sources/sstv",
"product_memberships" : [
"sstv"
],
"sources" : [
"main.swift"
],
"target_dependencies" : [
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],
"type" : "executable"
},
{
"c99name" : "SSTVCore",
"module_type" : "SwiftTarget",
"name" : "SSTVCore",
"path" : "Sources/SSTVCore",
"product_memberships" : [
"SSTVCore",
"sstv"
],
"sources" : [
"Audio/WAVReader.swift",
"DSP/FMDemodulator.swift",
"DSP/Goertzel.swift",
"Image/ImageBuffer.swift",
"Image/ImageWriter.swift",
"Modes/ModeParameters.swift",
"Modes/PD120Mode.swift",
"Modes/PD180Mode.swift",
"Modes/Robot36Mode.swift",
"SSTV/DecoderDelegate.swift",
"SSTV/DecodingOptions.swift",
"SSTV/DecodingProgress.swift",
"SSTV/SSTVDecoder.swift",
"SSTV/SSTVDecoderCore.swift",
"SSTV/SSTVMode.swift",
"SSTV/VISDetector.swift",
"Util/ImageComparison.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
Done.