Swift Package Index

Build Information

Successful build of CachingMapKitTileOverlay, reference main (600f21), with Swift 6.4 for macOS (SPM) on 22 Sep 2026 12:13:35 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

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RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/stadiamaps/mapkit-caching-tile-overlay.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/stadiamaps/mapkit-caching-tile-overlay
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 600f218 Merge pull request #1 from scottrhoyt/async_await
Cloned https://github.com/stadiamaps/mapkit-caching-tile-overlay.git
Revision (git rev-parse @):
600f218ccc090678ab46bab162a82f63949eb04f
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/stadiamaps/mapkit-caching-tile-overlay.git at main
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Build
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Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/stadiamaps/mapkit-caching-tile-overlay.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Planning deferred tasks]
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[91 / 100] CachingMapKitTileOverlay
[97 / 100] CachingMapKitTileOverlay
Build complete! (9.87 sec)
/Users/admin/builder/spi-builder-workspace/Sources/CachingMapKitTileOverlay/CachingTileOverlayRenderer.swift:100:9: warning: passing closure as a 'sending' parameter risks causing data races between code in the current isolation context and concurrent execution of the closure; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/region-isolation\RegionIsolation]8;;\::]8;;https://docs.swift.org/compiler/documentation/diagnostics/sending-closure-risks-data-race\SendingClosureRisksDataRace]8;;\]
 88 |     }
 89 |
 90 |     func loadTileIfNeeded(for path: MKTileOverlayPath, in tileMapRect: MKMapRect) {
    |          `- note: isolated conformance to protocol 'CachingTileOverlay' can be introduced here
 91 |         guard let overlay = overlay as? CachingTileOverlay else { return }
 92 |
    :
 98 |         loadingTiles.insert(tileKey)
 99 |
100 |         Task { [weak self] in
    |         `- warning: passing closure as a 'sending' parameter risks causing data races between code in the current isolation context and concurrent execution of the closure; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/region-isolation\RegionIsolation]8;;\::]8;;https://docs.swift.org/compiler/documentation/diagnostics/sending-closure-risks-data-race\SendingClosureRisksDataRace]8;;\]
101 |             _ = try? await overlay.loadTile(at: path)
    |                                    `- note: closure captures non-Sendable 'overlay'
102 |             self?.loadingTiles.remove(tileKey)
    |                 `- note: closure captures non-Sendable 'self'
103 |
104 |             // When the tile has loaded, schedule a redraw of the tile region.
[#RegionIsolation]: <https://docs.swift.org/compiler/documentation/diagnostics/region-isolation>
[#SendingClosureRisksDataRace]: <https://docs.swift.org/compiler/documentation/diagnostics/sending-closure-risks-data-race>
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "CachingMapKitTileOverlay",
  "name" : "CachingMapKitTileOverlay",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "CachingMapKitTileOverlay",
      "targets" : [
        "CachingMapKitTileOverlay"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CachingMapKitTileOverlayTests",
      "module_type" : "SwiftTarget",
      "name" : "CachingMapKitTileOverlayTests",
      "path" : "Tests/CachingMapKitTileOverlayTests",
      "sources" : [
        "CachingMapKitTileOverlayTests.swift"
      ],
      "target_dependencies" : [
        "CachingMapKitTileOverlay"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CachingMapKitTileOverlay",
      "module_type" : "SwiftTarget",
      "name" : "CachingMapKitTileOverlay",
      "path" : "Sources/CachingMapKitTileOverlay",
      "product_memberships" : [
        "CachingMapKitTileOverlay"
      ],
      "sources" : [
        "AtomicSet.swift",
        "CachingTileOverlay.swift",
        "CachingTileOverlayRenderer.swift",
        "Cropping.swift",
        "Parent Tile.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.10"
}
Done.