Swift Package IndexBuild Information
Successful build of UTMConversion, reference master (3ef04c), with Swift 6.1 for macOS (SPM) on 9 Apr 2026 17:23:14 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
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RunAll
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Builder version: 4.69.2
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/wtw-software/ios-UTMConversion.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/wtw-software/ios-UTMConversion
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 3ef04cb Migrate to SPM standard directory layout
Cloned https://github.com/wtw-software/ios-UTMConversion.git
Revision (git rev-parse @):
3ef04cb9bbab212b966b5881dd87565da9e0c836
SUCCESS checkout https://github.com/wtw-software/ios-UTMConversion.git at master
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Build
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Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/wtw-software/ios-UTMConversion.git
https://github.com/wtw-software/ios-UTMConversion.git
{
"dependencies" : [
],
"manifest_display_name" : "UTMConversion",
"name" : "UTMConversion",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "14.0"
},
{
"name" : "macos",
"version" : "10.13"
}
],
"products" : [
{
"name" : "UTMConversion",
"targets" : [
"UTMConversion"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "UTMConversionTests",
"module_type" : "SwiftTarget",
"name" : "UTMConversionTests",
"path" : "Tests/UTMConversionTests",
"sources" : [
"UTMConversionTests.swift"
],
"target_dependencies" : [
"UTMConversion"
],
"type" : "test"
},
{
"c99name" : "UTMConversion",
"module_type" : "SwiftTarget",
"name" : "UTMConversion",
"path" : "Sources/UTMConversion",
"product_memberships" : [
"UTMConversion"
],
"sources" : [
"CLLocation+UTMCoordinate.swift",
"CLLocationCoordinate2D+UTMCoordinate.swift",
"TMCoordinate.swift",
"UTMCoordinate.swift"
],
"type" : "library"
}
],
"tools_version" : "5.7"
}
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...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
[3/7] Compiling UTMConversion UTMCoordinate.swift
/Users/admin/builder/spi-builder-workspace/Sources/UTMConversion/UTMCoordinate.swift:38:23: warning: static property 'wgs84' is not concurrency-safe because non-'Sendable' type 'UTMDatum' may have shared mutable state; this is an error in the Swift 6 language mode
28 | Geodetic datum to define the size of the earth, given as equitorial and polar radius.
29 | */
30 | public struct UTMDatum {
| `- note: consider making struct 'UTMDatum' conform to the 'Sendable' protocol
31 | /** The radius around the equator */
32 | public let equitorialRadius: Double
:
36 |
37 | /** WGS84 is the most commonly used datum of the earth */
38 | public static let wgs84 = UTMDatum(equitorialRadius: 6378137, polarRadius: 6356752.3142) // WGS84
| |- warning: static property 'wgs84' is not concurrency-safe because non-'Sendable' type 'UTMDatum' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'wgs84' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
39 |
40 | public init(equitorialRadius: Double, polarRadius: Double) {
[4/7] Compiling UTMConversion CLLocationCoordinate2D+UTMCoordinate.swift
[5/7] Compiling UTMConversion TMCoordinate.swift
[6/7] Emitting module UTMConversion
/Users/admin/builder/spi-builder-workspace/Sources/UTMConversion/UTMCoordinate.swift:38:23: warning: static property 'wgs84' is not concurrency-safe because non-'Sendable' type 'UTMDatum' may have shared mutable state; this is an error in the Swift 6 language mode
28 | Geodetic datum to define the size of the earth, given as equitorial and polar radius.
29 | */
30 | public struct UTMDatum {
| `- note: consider making struct 'UTMDatum' conform to the 'Sendable' protocol
31 | /** The radius around the equator */
32 | public let equitorialRadius: Double
:
36 |
37 | /** WGS84 is the most commonly used datum of the earth */
38 | public static let wgs84 = UTMDatum(equitorialRadius: 6378137, polarRadius: 6356752.3142) // WGS84
| |- warning: static property 'wgs84' is not concurrency-safe because non-'Sendable' type 'UTMDatum' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'wgs84' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
39 |
40 | public init(equitorialRadius: Double, polarRadius: Double) {
[7/7] Compiling UTMConversion CLLocation+UTMCoordinate.swift
Build complete! (3.87s)
warning: 'spi-builder-workspace': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
/Users/admin/builder/spi-builder-workspace/Sources/UTMConversion/Info.plist
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "UTMConversion",
"name" : "UTMConversion",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "14.0"
},
{
"name" : "macos",
"version" : "10.13"
}
],
"products" : [
{
"name" : "UTMConversion",
"targets" : [
"UTMConversion"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "UTMConversionTests",
"module_type" : "SwiftTarget",
"name" : "UTMConversionTests",
"path" : "Tests/UTMConversionTests",
"sources" : [
"UTMConversionTests.swift"
],
"target_dependencies" : [
"UTMConversion"
],
"type" : "test"
},
{
"c99name" : "UTMConversion",
"module_type" : "SwiftTarget",
"name" : "UTMConversion",
"path" : "Sources/UTMConversion",
"product_memberships" : [
"UTMConversion"
],
"sources" : [
"CLLocation+UTMCoordinate.swift",
"CLLocationCoordinate2D+UTMCoordinate.swift",
"TMCoordinate.swift",
"UTMCoordinate.swift"
],
"type" : "library"
}
],
"tools_version" : "5.7"
}
Done.