Swift Package Index

Build Information

Successful build of Scientist, reference main (1bb94e), with Swift 6.4 for macOS (SPM) on 27 Sep 2026 19:19:08 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

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/junkpiano/scientist.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/junkpiano/scientist
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 1bb94ea Point the installation example at 1.0.0 (#31)
Cloned https://github.com/junkpiano/scientist.git
Revision (git rev-parse @):
1bb94ea8dad441c795021aa3da48f485d3f65c9d
SUCCESS checkout https://github.com/junkpiano/scientist.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/junkpiano/scientist.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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[20 / 29] Scientist
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[62 / 71] Scientist
[68 / 71] Scientist
Build complete! (7.79 sec)
warning: 'spi-builder-workspace': /Users/admin/builder/spi-builder-workspace/Package.swift:10:27: warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
 8 |                 .iOS(.v12),
 9 |                 .tvOS(.v12),
10 |                 .watchOS(.v4)],
   |                           `- warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
11 |     products: [
12 |         // Products define the executables and libraries produced by a package, and make them visible to other packages.
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
/Users/admin/builder/spi-builder-workspace/Sources/Scientist/MismatchError.swift:62:30: warning: capture of non-Sendable type 'T.Type' in an isolated closure [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-metatypes\SendableMetatypes]8;;\]
60 |       Mismatch(
61 |         name: candidate.name,
62 |         control: control.map(MismatchError.describe) ?? "had no control",
   |                              `- warning: capture of non-Sendable type 'T.Type' in an isolated closure [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-metatypes\SendableMetatypes]8;;\]
63 |         candidate: MismatchError.describe(candidate))
64 |     }
[#SendableMetatypes]: <https://docs.swift.org/compiler/documentation/diagnostics/sendable-metatypes>
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Scientist",
  "name" : "Scientist",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.13"
    },
    {
      "name" : "ios",
      "version" : "12.0"
    },
    {
      "name" : "tvos",
      "version" : "12.0"
    },
    {
      "name" : "watchos",
      "version" : "4.0"
    }
  ],
  "products" : [
    {
      "name" : "Scientist",
      "targets" : [
        "Scientist"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ScientistTests",
      "module_type" : "SwiftTarget",
      "name" : "ScientistTests",
      "path" : "Tests/ScientistTests",
      "sources" : [
        "ScientistTests.swift"
      ],
      "target_dependencies" : [
        "Scientist"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Scientist",
      "module_type" : "SwiftTarget",
      "name" : "Scientist",
      "path" : "Sources/Scientist",
      "product_memberships" : [
        "Scientist"
      ],
      "sources" : [
        "Constants.swift",
        "Error.swift",
        "Experiment.swift",
        "MismatchError.swift",
        "Observation.swift",
        "Result.swift",
        "Scientist.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
warning: 'spi-builder-workspace': /Users/admin/builder/spi-builder-workspace/Package.swift:10:27: warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
 8 |                 .iOS(.v12),
 9 |                 .tvOS(.v12),
10 |                 .watchOS(.v4)],
   |                           `- warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
11 |     products: [
12 |         // Products define the executables and libraries produced by a package, and make them visible to other packages.
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
Done.