Swift Package IndexBuild Information
Successful build of RCGPX, reference main (93fc5a), with Swift 6.1 for macOS (SPM) on 23 Aug 2026 13:06:01 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
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Builder version: 5.0.2
Interrupt handler set up.
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Checkout
========================================
Clone URL: https://github.com/RCCoop/RCGPX.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/RCCoop/RCGPX
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 93fc5a5 Update UTType+GPX
Cloned https://github.com/RCCoop/RCGPX.git
Revision (git rev-parse @):
93fc5a5a96a07f353d0fb45d323e8274b7fce7b7
SUCCESS checkout https://github.com/RCCoop/RCGPX.git at main
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/RCCoop/RCGPX.git
https://github.com/RCCoop/RCGPX.git
{
"dependencies" : [
{
"identity" : "aexml",
"requirement" : {
"range" : [
{
"lower_bound" : "4.6.0",
"upper_bound" : "5.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/tadija/AEXML.git"
}
],
"manifest_display_name" : "RCGPX",
"name" : "RCGPX",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "11.0"
},
{
"name" : "macos",
"version" : "10.12"
},
{
"name" : "watchos",
"version" : "3.0"
}
],
"products" : [
{
"name" : "RCGPX",
"targets" : [
"RCGPX"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "RCGPXTests",
"module_type" : "SwiftTarget",
"name" : "RCGPXTests",
"path" : "Tests/RCGPXTests",
"product_dependencies" : [
"AEXML"
],
"resources" : [
{
"path" : "/Users/admin/builder/spi-builder-workspace/Tests/RCGPXTests/GPSVisSample.gpx",
"rule" : {
"process" : {
}
}
}
],
"sources" : [
"RCGPXTests.swift"
],
"target_dependencies" : [
"RCGPX"
],
"type" : "test"
},
{
"c99name" : "RCGPX",
"module_type" : "SwiftTarget",
"name" : "RCGPX",
"path" : "Sources/RCGPX",
"product_dependencies" : [
"AEXML"
],
"product_memberships" : [
"RCGPX"
],
"sources" : [
"GPXDocument.swift",
"GPXFeature.swift",
"GPXRoute.swift",
"GPXTrack.swift",
"GPXWaypoint.swift",
"Internal/GPXDocument+Internals.swift",
"Internal/GPXElement.swift",
"Internal/GPXRoute+Internals.swift",
"Internal/GPXTrack+Internals.swift",
"Internal/GPXWaypoint+Internals.swift",
"UTType+GPX.swift"
],
"type" : "library"
}
],
"tools_version" : "5.3"
}
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...
[0/3] Write sources
[2/3] Write swift-version-2F0A5646E1D333AE.txt
[4/10] Compiling AEXML Options.swift
[5/10] Compiling AEXML Parser.swift
[6/10] Emitting module AEXML
[7/10] Compiling AEXML Document.swift
[8/10] Compiling AEXML Builders.swift
[9/10] Compiling AEXML Element.swift
[10/10] Compiling AEXML Error.swift
[11/21] Compiling RCGPX GPXWaypoint+Internals.swift
[12/21] Compiling RCGPX GPXElement.swift
[13/21] Compiling RCGPX GPXTrack+Internals.swift
[14/22] Compiling RCGPX GPXRoute+Internals.swift
[15/22] Compiling RCGPX GPXWaypoint.swift
[16/22] Compiling RCGPX GPXDocument+Internals.swift
[17/22] Compiling RCGPX GPXRoute.swift
[18/22] Compiling RCGPX GPXTrack.swift
/Users/admin/builder/spi-builder-workspace/Sources/RCGPX/GPXTrack.swift:66:29: warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
64 | public var time: Date?
65 |
66 | internal static var dateFormatter: ISO8601DateFormatter? = {
| |- warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'dateFormatter' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'dateFormatter' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
67 | if #available(iOS 15.0, macOS 12.0, watchOS 8.0, *) {
68 | return nil
[19/22] Compiling RCGPX GPXDocument.swift
[20/22] Compiling RCGPX GPXFeature.swift
[21/22] Emitting module RCGPX
/Users/admin/builder/spi-builder-workspace/Sources/RCGPX/GPXTrack.swift:66:29: warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
64 | public var time: Date?
65 |
66 | internal static var dateFormatter: ISO8601DateFormatter? = {
| |- warning: static property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'dateFormatter' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'dateFormatter' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
67 | if #available(iOS 15.0, macOS 12.0, watchOS 8.0, *) {
68 | return nil
[22/22] Compiling RCGPX UTType+GPX.swift
Build complete! (8.35s)
Fetching https://github.com/tadija/AEXML.git
[1/2159] Fetching aexml
Fetched https://github.com/tadija/AEXML.git from cache (1.15s)
Computing version for https://github.com/tadija/AEXML.git
Computed https://github.com/tadija/AEXML.git at 4.7.0 (1.64s)
Creating working copy for https://github.com/tadija/AEXML.git
Working copy of https://github.com/tadija/AEXML.git resolved at 4.7.0
Build complete.
{
"dependencies" : [
{
"identity" : "aexml",
"requirement" : {
"range" : [
{
"lower_bound" : "4.6.0",
"upper_bound" : "5.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/tadija/AEXML.git"
}
],
"manifest_display_name" : "RCGPX",
"name" : "RCGPX",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "11.0"
},
{
"name" : "macos",
"version" : "10.12"
},
{
"name" : "watchos",
"version" : "3.0"
}
],
"products" : [
{
"name" : "RCGPX",
"targets" : [
"RCGPX"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "RCGPXTests",
"module_type" : "SwiftTarget",
"name" : "RCGPXTests",
"path" : "Tests/RCGPXTests",
"product_dependencies" : [
"AEXML"
],
"resources" : [
{
"path" : "/Users/admin/builder/spi-builder-workspace/Tests/RCGPXTests/GPSVisSample.gpx",
"rule" : {
"process" : {
}
}
}
],
"sources" : [
"RCGPXTests.swift"
],
"target_dependencies" : [
"RCGPX"
],
"type" : "test"
},
{
"c99name" : "RCGPX",
"module_type" : "SwiftTarget",
"name" : "RCGPX",
"path" : "Sources/RCGPX",
"product_dependencies" : [
"AEXML"
],
"product_memberships" : [
"RCGPX"
],
"sources" : [
"GPXDocument.swift",
"GPXFeature.swift",
"GPXRoute.swift",
"GPXTrack.swift",
"GPXWaypoint.swift",
"Internal/GPXDocument+Internals.swift",
"Internal/GPXElement.swift",
"Internal/GPXRoute+Internals.swift",
"Internal/GPXTrack+Internals.swift",
"Internal/GPXWaypoint+Internals.swift",
"UTType+GPX.swift"
],
"type" : "library"
}
],
"tools_version" : "5.3"
}
Done.