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Build Information

Successful build of SwiftAstro, reference 0.0.12 (9c69fa), with Swift 6.1 for macOS (SPM) on 31 May 2025 13:04:16 UTC.

Swift 6 data race errors: 11

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 InferSendableFromCaptures

Build Log

========================================
RunAll
========================================
Builder version: 4.63.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ncke/SwiftAstro.git
Reference: 0.0.12
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ncke/SwiftAstro
 * tag               0.0.12     -> FETCH_HEAD
HEAD is now at 9c69fa8 Improve handling of greek letters in star names
Cloned https://github.com/ncke/SwiftAstro.git
Revision (git rev-parse @):
9c69fa8cef2d820bb46e4fa83a6487734b973f3a
SUCCESS checkout https://github.com/ncke/SwiftAstro.git at 0.0.12
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "swiftastro",
      "name": "SwiftAstro",
      "url": "https://github.com/ncke/SwiftAstro.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SwiftAstro",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/ncke/SwiftAstro.git
[1/345] Fetching swiftastro
Fetched https://github.com/ncke/SwiftAstro.git from cache (1.04s)
Creating working copy for https://github.com/ncke/SwiftAstro.git
Working copy of https://github.com/ncke/SwiftAstro.git resolved at 0.0.12 (9c69fa8)
warning: '.resolve-product-dependencies': dependency 'swiftastro' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/ncke/SwiftAstro.git
https://github.com/ncke/SwiftAstro.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SwiftAstro",
  "name" : "SwiftAstro",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SwiftAstro",
      "targets" : [
        "SwiftAstro"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftAstroTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftAstroTests",
      "path" : "Tests/SwiftAstroTests",
      "sources" : [
        "BrightStarCatalogTests.swift",
        "GreekTests.swift",
        "JulianDayTests.swift",
        "MoonTests.swift",
        "PlutoTests.swift",
        "PublicAPITests.swift",
        "StarNamesTests.swift",
        "StarTests.swift",
        "SunTests.swift",
        "SwiftAstroTests.swift",
        "UtilityStringTests.swift",
        "UtilityTests.swift"
      ],
      "target_dependencies" : [
        "SwiftAstro"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftAstro",
      "module_type" : "SwiftTarget",
      "name" : "SwiftAstro",
      "path" : "Sources/SwiftAstro",
      "product_memberships" : [
        "SwiftAstro"
      ],
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Resources/IAU-CSN-2022-04-04.txt",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Resources/VSOP87B.ear",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Resources/VSOP87B.jup",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Resources/VSOP87B.mar",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Resources/VSOP87B.mer",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Resources/VSOP87B.nep",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Resources/VSOP87B.sat",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Resources/VSOP87B.ura",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Resources/VSOP87B.ven",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Resources/yale-bright-star-catalog.txt",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Resources/yale-bright-star-notes.txt",
          "rule" : {
            "process" : {
            }
          }
        }
      ],
      "sources" : [
        "Entities/AstronomicallyNameable.swift",
        "Entities/Moon.swift",
        "Entities/Planet.swift",
        "Entities/Pluto.swift",
        "Entities/Positionable+Geocentric.swift",
        "Entities/Positionable.swift",
        "Entities/Star.swift",
        "Entities/Sun.swift",
        "StarCatalog/BrightStar+Nameable.swift",
        "StarCatalog/BrightStar+Star.swift",
        "StarCatalog/BrightStar.swift",
        "StarCatalog/BrightStarCatalog.swift",
        "StarCatalog/StarName.swift",
        "StarCatalog/StarNamesCatalog.swift",
        "SwiftAstro.swift",
        "Units/Angle+CoordinateSystems.swift",
        "Units/Angle.swift",
        "Units/Distance.swift",
        "Units/Greek.swift",
        "Units/SphericalPosition.swift",
        "Units/Time+Ecliptic.swift",
        "Units/Time+Nutation.swift",
        "Units/Time.swift",
        "Utility/Double+Helpers.swift",
        "Utility/String+Helpers.swift",
        "Utility/Utility+NumberFormatting.swift",
        "Utility/Utility+ResourceLoading.swift",
        "Utility/Utility.swift",
        "VSOP87/VSOP87.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...
[0/13] Write sources
[1/13] Copying VSOP87B.ura
[1/13] Copying VSOP87B.jup
[1/13] Copying VSOP87B.ear
[1/13] Copying yale-bright-star-notes.txt
[1/13] Copying VSOP87B.mar
[1/13] Copying IAU-CSN-2022-04-04.txt
[1/13] Copying VSOP87B.sat
[1/13] Copying VSOP87B.ven
[2/13] Copying yale-bright-star-catalog.txt
[9/13] Copying VSOP87B.nep
[10/13] Copying VSOP87B.mer
[12/13] Write swift-version-2F0A5646E1D333AE.txt
[14/41] Emitting module SwiftAstro
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Entities/Moon.swift:13:23: warning: static property 'moon' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Moon' may have shared mutable state; this is an error in the Swift 6 language mode
  5 | extension SwiftAstro {
  6 |
  7 |     public struct Moon : GeocentricallyPositionable, AstronomicallyNameable {
    |                   `- note: consider making struct 'Moon' conform to the 'Sendable' protocol
  8 |
  9 |         public let name: String? = "Moon"
    :
 11 |     }
 12 |
 13 |     public static let moon = Moon()
    |                       |- warning: static property 'moon' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Moon' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'moon' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 14 |
 15 | }
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Entities/Pluto.swift:16:23: warning: static property 'pluto' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Pluto' may have shared mutable state; this is an error in the Swift 6 language mode
  5 | extension SwiftAstro {
  6 |
  7 |     public struct Pluto :
    |                   `- note: consider making struct 'Pluto' conform to the 'Sendable' protocol
  8 |         HeliocentricallyPositionable,
  9 |         GeocentricallyPositionable,
    :
 14 |     }
 15 |
 16 |     public static let pluto = Pluto()
    |                       |- warning: static property 'pluto' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Pluto' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'pluto' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 17 |
 18 | }
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Entities/Sun.swift:14:23: warning: static property 'sun' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Sun' may have shared mutable state; this is an error in the Swift 6 language mode
 5 | extension SwiftAstro {
 6 |
 7 |     public struct Sun :
   |                   `- note: consider making struct 'Sun' conform to the 'Sendable' protocol
 8 |         GeocentricallyPositionable,
 9 |         AstronomicallyNameable
   :
12 |     }
13 |
14 |     public static let sun = Sun()
   |                       |- warning: static property 'sun' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Sun' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: add '@MainActor' to make static property 'sun' part of global actor 'MainActor'
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
15 |
16 | }
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/SwiftAstro.swift:4:23: warning: static property 'brightStarCatalog' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
2 |
3 |     /// Yale Bright Star Catalog.
4 |     public static var brightStarCatalog = SwiftAstro.BrightStarCatalog()
  |                       |- warning: static property 'brightStarCatalog' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
  |                       |- note: convert 'brightStarCatalog' to a 'let' constant to make 'Sendable' shared state immutable
  |                       |- note: add '@MainActor' to make static property 'brightStarCatalog' part of global actor 'MainActor'
  |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
5 |
6 | }
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Units/Angle.swift:203:23: warning: static property 'meanObliquityOfEclipticAtJ2000' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Angle' may have shared mutable state; this is an error in the Swift 6 language mode
  5 | extension SwiftAstro {
  6 |
  7 |     public struct Angle:
    |                   `- note: consider making struct 'Angle' conform to the 'Sendable' protocol
  8 |         CustomStringConvertible,
  9 |         Equatable,
    :
201 |
202 |     /// The mean obliquity of the ecliptic in the standard equinox of J2000.
203 |     public static let meanObliquityOfEclipticAtJ2000 = SwiftAstro.Angle(
    |                       |- warning: static property 'meanObliquityOfEclipticAtJ2000' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Angle' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'meanObliquityOfEclipticAtJ2000' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
204 |         degrees: 23.43929111111111
205 |     )
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Units/Distance.swift:21:27: warning: static property 'zero' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Distance' may have shared mutable state; this is an error in the Swift 6 language mode
 12 | extension SwiftAstro {
 13 |
 14 |     public struct Distance: Equatable, Comparable, CustomStringConvertible {
    |                   `- note: consider making struct 'Distance' conform to the 'Sendable' protocol
 15 |         public var astronomicalUnits: Double
 16 |
    :
 19 |         }
 20 |
 21 |         public static let zero = Distance(astronomicalUnits: 0.0)
    |                           |- warning: static property 'zero' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Distance' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'zero' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 22 |     }
 23 |
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Units/Greek.swift:73:28: warning: static property 'simbadLookup' is not concurrency-safe because non-'Sendable' type '[String : SwiftAstro.Greek.Simbad]' may have shared mutable state; this is an error in the Swift 6 language mode
 66 | extension SwiftAstro.Greek {
 67 |
 68 |     public enum Simbad: Hashable {
    |                 `- note: consider making enum 'Simbad' conform to the 'Sendable' protocol
 69 |         case alf, bet, gam, del, eps, zet, eta, tet
 70 |         case iot, kap, lam, mu,  nu,  ksi, omi, pi
 71 |         case rho, sig, tau, ups, phi, khi, psi, ome
 72 |
 73 |         private static let simbadLookup: [String: Simbad] = [
    |                            |- warning: static property 'simbadLookup' is not concurrency-safe because non-'Sendable' type '[String : SwiftAstro.Greek.Simbad]' may have shared mutable state; this is an error in the Swift 6 language mode
    |                            |- note: add '@MainActor' to make static property 'simbadLookup' part of global actor 'MainActor'
    |                            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 74 |             "alf": .alf, "bet": .bet, "gam": .gam, "del": .del,
 75 |             "eps": .eps, "zet": .zet, "eta": .eta, "tet": .tet,
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Units/Greek.swift:82:28: warning: static property 'hrLookup' is not concurrency-safe because non-'Sendable' type '[String : SwiftAstro.Greek.Simbad]' may have shared mutable state; this is an error in the Swift 6 language mode
 66 | extension SwiftAstro.Greek {
 67 |
 68 |     public enum Simbad: Hashable {
    |                 `- note: consider making enum 'Simbad' conform to the 'Sendable' protocol
 69 |         case alf, bet, gam, del, eps, zet, eta, tet
 70 |         case iot, kap, lam, mu,  nu,  ksi, omi, pi
    :
 80 |         ]
 81 |
 82 |         private static let hrLookup: [String: Simbad] = [
    |                            |- warning: static property 'hrLookup' is not concurrency-safe because non-'Sendable' type '[String : SwiftAstro.Greek.Simbad]' may have shared mutable state; this is an error in the Swift 6 language mode
    |                            |- note: add '@MainActor' to make static property 'hrLookup' part of global actor 'MainActor'
    |                            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 83 |             "alp": .alf, "bet": .bet, "gam": .gam, "del": .del,
 84 |             "eps": .eps, "zet": .zet, "eta": .eta, "the": .tet,
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Units/Greek.swift:91:28: warning: static property 'letterLookup' is not concurrency-safe because non-'Sendable' type '[SwiftAstro.Greek.Simbad : String]' may have shared mutable state; this is an error in the Swift 6 language mode
 66 | extension SwiftAstro.Greek {
 67 |
 68 |     public enum Simbad: Hashable {
    |                 `- note: consider making enum 'Simbad' conform to the 'Sendable' protocol
 69 |         case alf, bet, gam, del, eps, zet, eta, tet
 70 |         case iot, kap, lam, mu,  nu,  ksi, omi, pi
    :
 89 |         ]
 90 |
 91 |         private static let letterLookup: [Simbad: String] = [
    |                            |- warning: static property 'letterLookup' is not concurrency-safe because non-'Sendable' type '[SwiftAstro.Greek.Simbad : String]' may have shared mutable state; this is an error in the Swift 6 language mode
    |                            |- note: add '@MainActor' to make static property 'letterLookup' part of global actor 'MainActor'
    |                            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 92 |             .alf: "α", .bet: "β", .gam: "γ", .del: "δ",
 93 |             .eps: "ε", .zet: "ζ", .eta: "η", .tet: "θ",
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Units/Time.swift:21:23: warning: static property 'jd0' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Time' may have shared mutable state; this is an error in the Swift 6 language mode
  3 | extension SwiftAstro {
  4 |
  5 |     public struct Time: Equatable, Comparable, CustomStringConvertible {
    |                   `- note: consider making struct 'Time' conform to the 'Sendable' protocol
  6 |         public let julianDays: Double
  7 |
    :
 19 |     public static let secondsPerDay: TimeInterval = 86400.0
 20 |
 21 |     public static let jd0 = SwiftAstro.Time(julianDays: 0.0)
    |                       |- warning: static property 'jd0' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Time' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'jd0' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 22 |
 23 |     public static let julianDaysPerMillenia = 365250.0
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/VSOP87/VSOP87.swift:5:16: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'VSOP87Store' may have shared mutable state; this is an error in the Swift 6 language mode
  1 | import Foundation
  2 |
  3 | class VSOP87Store {
    |       `- note: class 'VSOP87Store' does not conform to the 'Sendable' protocol
  4 |
  5 |     static let shared = VSOP87Store()
    |                |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'VSOP87Store' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'shared' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  6 |
  7 |     private var vsops = [SwiftAstro.Planet: VSOP87]()
[15/44] Compiling SwiftAstro Utility.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/VSOP87/VSOP87.swift:5:16: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'VSOP87Store' may have shared mutable state; this is an error in the Swift 6 language mode
  1 | import Foundation
  2 |
  3 | class VSOP87Store {
    |       `- note: class 'VSOP87Store' does not conform to the 'Sendable' protocol
  4 |
  5 |     static let shared = VSOP87Store()
    |                |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'VSOP87Store' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'shared' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  6 |
  7 |     private var vsops = [SwiftAstro.Planet: VSOP87]()
[16/44] Compiling SwiftAstro VSOP87.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/VSOP87/VSOP87.swift:5:16: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'VSOP87Store' may have shared mutable state; this is an error in the Swift 6 language mode
  1 | import Foundation
  2 |
  3 | class VSOP87Store {
    |       `- note: class 'VSOP87Store' does not conform to the 'Sendable' protocol
  4 |
  5 |     static let shared = VSOP87Store()
    |                |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'VSOP87Store' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'shared' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  6 |
  7 |     private var vsops = [SwiftAstro.Planet: VSOP87]()
[17/44] Compiling SwiftAstro resource_bundle_accessor.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/VSOP87/VSOP87.swift:5:16: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'VSOP87Store' may have shared mutable state; this is an error in the Swift 6 language mode
  1 | import Foundation
  2 |
  3 | class VSOP87Store {
    |       `- note: class 'VSOP87Store' does not conform to the 'Sendable' protocol
  4 |
  5 |     static let shared = VSOP87Store()
    |                |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'VSOP87Store' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'shared' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  6 |
  7 |     private var vsops = [SwiftAstro.Planet: VSOP87]()
[18/44] Compiling SwiftAstro Angle+CoordinateSystems.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Units/Angle.swift:203:23: warning: static property 'meanObliquityOfEclipticAtJ2000' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Angle' may have shared mutable state; this is an error in the Swift 6 language mode
  5 | extension SwiftAstro {
  6 |
  7 |     public struct Angle:
    |                   `- note: consider making struct 'Angle' conform to the 'Sendable' protocol
  8 |         CustomStringConvertible,
  9 |         Equatable,
    :
201 |
202 |     /// The mean obliquity of the ecliptic in the standard equinox of J2000.
203 |     public static let meanObliquityOfEclipticAtJ2000 = SwiftAstro.Angle(
    |                       |- warning: static property 'meanObliquityOfEclipticAtJ2000' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Angle' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'meanObliquityOfEclipticAtJ2000' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
204 |         degrees: 23.43929111111111
205 |     )
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Units/Distance.swift:21:27: warning: static property 'zero' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Distance' may have shared mutable state; this is an error in the Swift 6 language mode
 12 | extension SwiftAstro {
 13 |
 14 |     public struct Distance: Equatable, Comparable, CustomStringConvertible {
    |                   `- note: consider making struct 'Distance' conform to the 'Sendable' protocol
 15 |         public var astronomicalUnits: Double
 16 |
    :
 19 |         }
 20 |
 21 |         public static let zero = Distance(astronomicalUnits: 0.0)
    |                           |- warning: static property 'zero' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Distance' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'zero' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 22 |     }
 23 |
[19/44] Compiling SwiftAstro Angle.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Units/Angle.swift:203:23: warning: static property 'meanObliquityOfEclipticAtJ2000' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Angle' may have shared mutable state; this is an error in the Swift 6 language mode
  5 | extension SwiftAstro {
  6 |
  7 |     public struct Angle:
    |                   `- note: consider making struct 'Angle' conform to the 'Sendable' protocol
  8 |         CustomStringConvertible,
  9 |         Equatable,
    :
201 |
202 |     /// The mean obliquity of the ecliptic in the standard equinox of J2000.
203 |     public static let meanObliquityOfEclipticAtJ2000 = SwiftAstro.Angle(
    |                       |- warning: static property 'meanObliquityOfEclipticAtJ2000' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Angle' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'meanObliquityOfEclipticAtJ2000' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
204 |         degrees: 23.43929111111111
205 |     )
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Units/Distance.swift:21:27: warning: static property 'zero' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Distance' may have shared mutable state; this is an error in the Swift 6 language mode
 12 | extension SwiftAstro {
 13 |
 14 |     public struct Distance: Equatable, Comparable, CustomStringConvertible {
    |                   `- note: consider making struct 'Distance' conform to the 'Sendable' protocol
 15 |         public var astronomicalUnits: Double
 16 |
    :
 19 |         }
 20 |
 21 |         public static let zero = Distance(astronomicalUnits: 0.0)
    |                           |- warning: static property 'zero' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Distance' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'zero' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 22 |     }
 23 |
[20/44] Compiling SwiftAstro Distance.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Units/Angle.swift:203:23: warning: static property 'meanObliquityOfEclipticAtJ2000' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Angle' may have shared mutable state; this is an error in the Swift 6 language mode
  5 | extension SwiftAstro {
  6 |
  7 |     public struct Angle:
    |                   `- note: consider making struct 'Angle' conform to the 'Sendable' protocol
  8 |         CustomStringConvertible,
  9 |         Equatable,
    :
201 |
202 |     /// The mean obliquity of the ecliptic in the standard equinox of J2000.
203 |     public static let meanObliquityOfEclipticAtJ2000 = SwiftAstro.Angle(
    |                       |- warning: static property 'meanObliquityOfEclipticAtJ2000' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Angle' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'meanObliquityOfEclipticAtJ2000' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
204 |         degrees: 23.43929111111111
205 |     )
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Units/Distance.swift:21:27: warning: static property 'zero' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Distance' may have shared mutable state; this is an error in the Swift 6 language mode
 12 | extension SwiftAstro {
 13 |
 14 |     public struct Distance: Equatable, Comparable, CustomStringConvertible {
    |                   `- note: consider making struct 'Distance' conform to the 'Sendable' protocol
 15 |         public var astronomicalUnits: Double
 16 |
    :
 19 |         }
 20 |
 21 |         public static let zero = Distance(astronomicalUnits: 0.0)
    |                           |- warning: static property 'zero' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Distance' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'zero' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 22 |     }
 23 |
[21/44] Compiling SwiftAstro BrightStar+Star.swift
[22/44] Compiling SwiftAstro BrightStar.swift
[23/44] Compiling SwiftAstro BrightStarCatalog.swift
[24/44] Compiling SwiftAstro Greek.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Units/Greek.swift:73:28: warning: static property 'simbadLookup' is not concurrency-safe because non-'Sendable' type '[String : SwiftAstro.Greek.Simbad]' may have shared mutable state; this is an error in the Swift 6 language mode
 66 | extension SwiftAstro.Greek {
 67 |
 68 |     public enum Simbad: Hashable {
    |                 `- note: consider making enum 'Simbad' conform to the 'Sendable' protocol
 69 |         case alf, bet, gam, del, eps, zet, eta, tet
 70 |         case iot, kap, lam, mu,  nu,  ksi, omi, pi
 71 |         case rho, sig, tau, ups, phi, khi, psi, ome
 72 |
 73 |         private static let simbadLookup: [String: Simbad] = [
    |                            |- warning: static property 'simbadLookup' is not concurrency-safe because non-'Sendable' type '[String : SwiftAstro.Greek.Simbad]' may have shared mutable state; this is an error in the Swift 6 language mode
    |                            |- note: add '@MainActor' to make static property 'simbadLookup' part of global actor 'MainActor'
    |                            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 74 |             "alf": .alf, "bet": .bet, "gam": .gam, "del": .del,
 75 |             "eps": .eps, "zet": .zet, "eta": .eta, "tet": .tet,
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Units/Greek.swift:82:28: warning: static property 'hrLookup' is not concurrency-safe because non-'Sendable' type '[String : SwiftAstro.Greek.Simbad]' may have shared mutable state; this is an error in the Swift 6 language mode
 66 | extension SwiftAstro.Greek {
 67 |
 68 |     public enum Simbad: Hashable {
    |                 `- note: consider making enum 'Simbad' conform to the 'Sendable' protocol
 69 |         case alf, bet, gam, del, eps, zet, eta, tet
 70 |         case iot, kap, lam, mu,  nu,  ksi, omi, pi
    :
 80 |         ]
 81 |
 82 |         private static let hrLookup: [String: Simbad] = [
    |                            |- warning: static property 'hrLookup' is not concurrency-safe because non-'Sendable' type '[String : SwiftAstro.Greek.Simbad]' may have shared mutable state; this is an error in the Swift 6 language mode
    |                            |- note: add '@MainActor' to make static property 'hrLookup' part of global actor 'MainActor'
    |                            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 83 |             "alp": .alf, "bet": .bet, "gam": .gam, "del": .del,
 84 |             "eps": .eps, "zet": .zet, "eta": .eta, "the": .tet,
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Units/Greek.swift:91:28: warning: static property 'letterLookup' is not concurrency-safe because non-'Sendable' type '[SwiftAstro.Greek.Simbad : String]' may have shared mutable state; this is an error in the Swift 6 language mode
 66 | extension SwiftAstro.Greek {
 67 |
 68 |     public enum Simbad: Hashable {
    |                 `- note: consider making enum 'Simbad' conform to the 'Sendable' protocol
 69 |         case alf, bet, gam, del, eps, zet, eta, tet
 70 |         case iot, kap, lam, mu,  nu,  ksi, omi, pi
    :
 89 |         ]
 90 |
 91 |         private static let letterLookup: [Simbad: String] = [
    |                            |- warning: static property 'letterLookup' is not concurrency-safe because non-'Sendable' type '[SwiftAstro.Greek.Simbad : String]' may have shared mutable state; this is an error in the Swift 6 language mode
    |                            |- note: add '@MainActor' to make static property 'letterLookup' part of global actor 'MainActor'
    |                            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 92 |             .alf: "α", .bet: "β", .gam: "γ", .del: "δ",
 93 |             .eps: "ε", .zet: "ζ", .eta: "η", .tet: "θ",
[25/44] Compiling SwiftAstro SphericalPosition.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Units/Greek.swift:73:28: warning: static property 'simbadLookup' is not concurrency-safe because non-'Sendable' type '[String : SwiftAstro.Greek.Simbad]' may have shared mutable state; this is an error in the Swift 6 language mode
 66 | extension SwiftAstro.Greek {
 67 |
 68 |     public enum Simbad: Hashable {
    |                 `- note: consider making enum 'Simbad' conform to the 'Sendable' protocol
 69 |         case alf, bet, gam, del, eps, zet, eta, tet
 70 |         case iot, kap, lam, mu,  nu,  ksi, omi, pi
 71 |         case rho, sig, tau, ups, phi, khi, psi, ome
 72 |
 73 |         private static let simbadLookup: [String: Simbad] = [
    |                            |- warning: static property 'simbadLookup' is not concurrency-safe because non-'Sendable' type '[String : SwiftAstro.Greek.Simbad]' may have shared mutable state; this is an error in the Swift 6 language mode
    |                            |- note: add '@MainActor' to make static property 'simbadLookup' part of global actor 'MainActor'
    |                            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 74 |             "alf": .alf, "bet": .bet, "gam": .gam, "del": .del,
 75 |             "eps": .eps, "zet": .zet, "eta": .eta, "tet": .tet,
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Units/Greek.swift:82:28: warning: static property 'hrLookup' is not concurrency-safe because non-'Sendable' type '[String : SwiftAstro.Greek.Simbad]' may have shared mutable state; this is an error in the Swift 6 language mode
 66 | extension SwiftAstro.Greek {
 67 |
 68 |     public enum Simbad: Hashable {
    |                 `- note: consider making enum 'Simbad' conform to the 'Sendable' protocol
 69 |         case alf, bet, gam, del, eps, zet, eta, tet
 70 |         case iot, kap, lam, mu,  nu,  ksi, omi, pi
    :
 80 |         ]
 81 |
 82 |         private static let hrLookup: [String: Simbad] = [
    |                            |- warning: static property 'hrLookup' is not concurrency-safe because non-'Sendable' type '[String : SwiftAstro.Greek.Simbad]' may have shared mutable state; this is an error in the Swift 6 language mode
    |                            |- note: add '@MainActor' to make static property 'hrLookup' part of global actor 'MainActor'
    |                            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 83 |             "alp": .alf, "bet": .bet, "gam": .gam, "del": .del,
 84 |             "eps": .eps, "zet": .zet, "eta": .eta, "the": .tet,
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Units/Greek.swift:91:28: warning: static property 'letterLookup' is not concurrency-safe because non-'Sendable' type '[SwiftAstro.Greek.Simbad : String]' may have shared mutable state; this is an error in the Swift 6 language mode
 66 | extension SwiftAstro.Greek {
 67 |
 68 |     public enum Simbad: Hashable {
    |                 `- note: consider making enum 'Simbad' conform to the 'Sendable' protocol
 69 |         case alf, bet, gam, del, eps, zet, eta, tet
 70 |         case iot, kap, lam, mu,  nu,  ksi, omi, pi
    :
 89 |         ]
 90 |
 91 |         private static let letterLookup: [Simbad: String] = [
    |                            |- warning: static property 'letterLookup' is not concurrency-safe because non-'Sendable' type '[SwiftAstro.Greek.Simbad : String]' may have shared mutable state; this is an error in the Swift 6 language mode
    |                            |- note: add '@MainActor' to make static property 'letterLookup' part of global actor 'MainActor'
    |                            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 92 |             .alf: "α", .bet: "β", .gam: "γ", .del: "δ",
 93 |             .eps: "ε", .zet: "ζ", .eta: "η", .tet: "θ",
[26/44] Compiling SwiftAstro Time+Ecliptic.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Units/Greek.swift:73:28: warning: static property 'simbadLookup' is not concurrency-safe because non-'Sendable' type '[String : SwiftAstro.Greek.Simbad]' may have shared mutable state; this is an error in the Swift 6 language mode
 66 | extension SwiftAstro.Greek {
 67 |
 68 |     public enum Simbad: Hashable {
    |                 `- note: consider making enum 'Simbad' conform to the 'Sendable' protocol
 69 |         case alf, bet, gam, del, eps, zet, eta, tet
 70 |         case iot, kap, lam, mu,  nu,  ksi, omi, pi
 71 |         case rho, sig, tau, ups, phi, khi, psi, ome
 72 |
 73 |         private static let simbadLookup: [String: Simbad] = [
    |                            |- warning: static property 'simbadLookup' is not concurrency-safe because non-'Sendable' type '[String : SwiftAstro.Greek.Simbad]' may have shared mutable state; this is an error in the Swift 6 language mode
    |                            |- note: add '@MainActor' to make static property 'simbadLookup' part of global actor 'MainActor'
    |                            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 74 |             "alf": .alf, "bet": .bet, "gam": .gam, "del": .del,
 75 |             "eps": .eps, "zet": .zet, "eta": .eta, "tet": .tet,
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Units/Greek.swift:82:28: warning: static property 'hrLookup' is not concurrency-safe because non-'Sendable' type '[String : SwiftAstro.Greek.Simbad]' may have shared mutable state; this is an error in the Swift 6 language mode
 66 | extension SwiftAstro.Greek {
 67 |
 68 |     public enum Simbad: Hashable {
    |                 `- note: consider making enum 'Simbad' conform to the 'Sendable' protocol
 69 |         case alf, bet, gam, del, eps, zet, eta, tet
 70 |         case iot, kap, lam, mu,  nu,  ksi, omi, pi
    :
 80 |         ]
 81 |
 82 |         private static let hrLookup: [String: Simbad] = [
    |                            |- warning: static property 'hrLookup' is not concurrency-safe because non-'Sendable' type '[String : SwiftAstro.Greek.Simbad]' may have shared mutable state; this is an error in the Swift 6 language mode
    |                            |- note: add '@MainActor' to make static property 'hrLookup' part of global actor 'MainActor'
    |                            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 83 |             "alp": .alf, "bet": .bet, "gam": .gam, "del": .del,
 84 |             "eps": .eps, "zet": .zet, "eta": .eta, "the": .tet,
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Units/Greek.swift:91:28: warning: static property 'letterLookup' is not concurrency-safe because non-'Sendable' type '[SwiftAstro.Greek.Simbad : String]' may have shared mutable state; this is an error in the Swift 6 language mode
 66 | extension SwiftAstro.Greek {
 67 |
 68 |     public enum Simbad: Hashable {
    |                 `- note: consider making enum 'Simbad' conform to the 'Sendable' protocol
 69 |         case alf, bet, gam, del, eps, zet, eta, tet
 70 |         case iot, kap, lam, mu,  nu,  ksi, omi, pi
    :
 89 |         ]
 90 |
 91 |         private static let letterLookup: [Simbad: String] = [
    |                            |- warning: static property 'letterLookup' is not concurrency-safe because non-'Sendable' type '[SwiftAstro.Greek.Simbad : String]' may have shared mutable state; this is an error in the Swift 6 language mode
    |                            |- note: add '@MainActor' to make static property 'letterLookup' part of global actor 'MainActor'
    |                            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 92 |             .alf: "α", .bet: "β", .gam: "γ", .del: "δ",
 93 |             .eps: "ε", .zet: "ζ", .eta: "η", .tet: "θ",
[27/44] Compiling SwiftAstro Star.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Entities/Sun.swift:14:23: warning: static property 'sun' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Sun' may have shared mutable state; this is an error in the Swift 6 language mode
 5 | extension SwiftAstro {
 6 |
 7 |     public struct Sun :
   |                   `- note: consider making struct 'Sun' conform to the 'Sendable' protocol
 8 |         GeocentricallyPositionable,
 9 |         AstronomicallyNameable
   :
12 |     }
13 |
14 |     public static let sun = Sun()
   |                       |- warning: static property 'sun' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Sun' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: add '@MainActor' to make static property 'sun' part of global actor 'MainActor'
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
15 |
16 | }
[28/44] Compiling SwiftAstro Sun.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Entities/Sun.swift:14:23: warning: static property 'sun' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Sun' may have shared mutable state; this is an error in the Swift 6 language mode
 5 | extension SwiftAstro {
 6 |
 7 |     public struct Sun :
   |                   `- note: consider making struct 'Sun' conform to the 'Sendable' protocol
 8 |         GeocentricallyPositionable,
 9 |         AstronomicallyNameable
   :
12 |     }
13 |
14 |     public static let sun = Sun()
   |                       |- warning: static property 'sun' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Sun' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: add '@MainActor' to make static property 'sun' part of global actor 'MainActor'
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
15 |
16 | }
[29/44] Compiling SwiftAstro BrightStar+Nameable.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Entities/Sun.swift:14:23: warning: static property 'sun' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Sun' may have shared mutable state; this is an error in the Swift 6 language mode
 5 | extension SwiftAstro {
 6 |
 7 |     public struct Sun :
   |                   `- note: consider making struct 'Sun' conform to the 'Sendable' protocol
 8 |         GeocentricallyPositionable,
 9 |         AstronomicallyNameable
   :
12 |     }
13 |
14 |     public static let sun = Sun()
   |                       |- warning: static property 'sun' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Sun' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: add '@MainActor' to make static property 'sun' part of global actor 'MainActor'
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
15 |
16 | }
[30/44] Compiling SwiftAstro AstronomicallyNameable.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Entities/Moon.swift:13:23: warning: static property 'moon' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Moon' may have shared mutable state; this is an error in the Swift 6 language mode
  5 | extension SwiftAstro {
  6 |
  7 |     public struct Moon : GeocentricallyPositionable, AstronomicallyNameable {
    |                   `- note: consider making struct 'Moon' conform to the 'Sendable' protocol
  8 |
  9 |         public let name: String? = "Moon"
    :
 11 |     }
 12 |
 13 |     public static let moon = Moon()
    |                       |- warning: static property 'moon' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Moon' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'moon' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 14 |
 15 | }
[31/44] Compiling SwiftAstro Moon.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Entities/Moon.swift:13:23: warning: static property 'moon' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Moon' may have shared mutable state; this is an error in the Swift 6 language mode
  5 | extension SwiftAstro {
  6 |
  7 |     public struct Moon : GeocentricallyPositionable, AstronomicallyNameable {
    |                   `- note: consider making struct 'Moon' conform to the 'Sendable' protocol
  8 |
  9 |         public let name: String? = "Moon"
    :
 11 |     }
 12 |
 13 |     public static let moon = Moon()
    |                       |- warning: static property 'moon' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Moon' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'moon' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 14 |
 15 | }
[32/44] Compiling SwiftAstro Planet.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Entities/Moon.swift:13:23: warning: static property 'moon' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Moon' may have shared mutable state; this is an error in the Swift 6 language mode
  5 | extension SwiftAstro {
  6 |
  7 |     public struct Moon : GeocentricallyPositionable, AstronomicallyNameable {
    |                   `- note: consider making struct 'Moon' conform to the 'Sendable' protocol
  8 |
  9 |         public let name: String? = "Moon"
    :
 11 |     }
 12 |
 13 |     public static let moon = Moon()
    |                       |- warning: static property 'moon' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Moon' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'moon' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 14 |
 15 | }
[33/44] Compiling SwiftAstro String+Helpers.swift
[34/44] Compiling SwiftAstro Utility+NumberFormatting.swift
[35/44] Compiling SwiftAstro Utility+ResourceLoading.swift
[36/44] Compiling SwiftAstro Pluto.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Entities/Pluto.swift:16:23: warning: static property 'pluto' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Pluto' may have shared mutable state; this is an error in the Swift 6 language mode
  5 | extension SwiftAstro {
  6 |
  7 |     public struct Pluto :
    |                   `- note: consider making struct 'Pluto' conform to the 'Sendable' protocol
  8 |         HeliocentricallyPositionable,
  9 |         GeocentricallyPositionable,
    :
 14 |     }
 15 |
 16 |     public static let pluto = Pluto()
    |                       |- warning: static property 'pluto' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Pluto' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'pluto' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 17 |
 18 | }
[37/44] Compiling SwiftAstro Positionable+Geocentric.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Entities/Pluto.swift:16:23: warning: static property 'pluto' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Pluto' may have shared mutable state; this is an error in the Swift 6 language mode
  5 | extension SwiftAstro {
  6 |
  7 |     public struct Pluto :
    |                   `- note: consider making struct 'Pluto' conform to the 'Sendable' protocol
  8 |         HeliocentricallyPositionable,
  9 |         GeocentricallyPositionable,
    :
 14 |     }
 15 |
 16 |     public static let pluto = Pluto()
    |                       |- warning: static property 'pluto' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Pluto' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'pluto' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 17 |
 18 | }
[38/44] Compiling SwiftAstro Positionable.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Entities/Pluto.swift:16:23: warning: static property 'pluto' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Pluto' may have shared mutable state; this is an error in the Swift 6 language mode
  5 | extension SwiftAstro {
  6 |
  7 |     public struct Pluto :
    |                   `- note: consider making struct 'Pluto' conform to the 'Sendable' protocol
  8 |         HeliocentricallyPositionable,
  9 |         GeocentricallyPositionable,
    :
 14 |     }
 15 |
 16 |     public static let pluto = Pluto()
    |                       |- warning: static property 'pluto' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Pluto' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'pluto' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 17 |
 18 | }
[39/44] Compiling SwiftAstro Time+Nutation.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Units/Time.swift:21:23: warning: static property 'jd0' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Time' may have shared mutable state; this is an error in the Swift 6 language mode
  3 | extension SwiftAstro {
  4 |
  5 |     public struct Time: Equatable, Comparable, CustomStringConvertible {
    |                   `- note: consider making struct 'Time' conform to the 'Sendable' protocol
  6 |         public let julianDays: Double
  7 |
    :
 19 |     public static let secondsPerDay: TimeInterval = 86400.0
 20 |
 21 |     public static let jd0 = SwiftAstro.Time(julianDays: 0.0)
    |                       |- warning: static property 'jd0' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Time' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'jd0' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 22 |
 23 |     public static let julianDaysPerMillenia = 365250.0
[40/44] Compiling SwiftAstro Time.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Units/Time.swift:21:23: warning: static property 'jd0' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Time' may have shared mutable state; this is an error in the Swift 6 language mode
  3 | extension SwiftAstro {
  4 |
  5 |     public struct Time: Equatable, Comparable, CustomStringConvertible {
    |                   `- note: consider making struct 'Time' conform to the 'Sendable' protocol
  6 |         public let julianDays: Double
  7 |
    :
 19 |     public static let secondsPerDay: TimeInterval = 86400.0
 20 |
 21 |     public static let jd0 = SwiftAstro.Time(julianDays: 0.0)
    |                       |- warning: static property 'jd0' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Time' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'jd0' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 22 |
 23 |     public static let julianDaysPerMillenia = 365250.0
[41/44] Compiling SwiftAstro Double+Helpers.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Units/Time.swift:21:23: warning: static property 'jd0' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Time' may have shared mutable state; this is an error in the Swift 6 language mode
  3 | extension SwiftAstro {
  4 |
  5 |     public struct Time: Equatable, Comparable, CustomStringConvertible {
    |                   `- note: consider making struct 'Time' conform to the 'Sendable' protocol
  6 |         public let julianDays: Double
  7 |
    :
 19 |     public static let secondsPerDay: TimeInterval = 86400.0
 20 |
 21 |     public static let jd0 = SwiftAstro.Time(julianDays: 0.0)
    |                       |- warning: static property 'jd0' is not concurrency-safe because non-'Sendable' type 'SwiftAstro.Time' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'jd0' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 22 |
 23 |     public static let julianDaysPerMillenia = 365250.0
[42/44] Compiling SwiftAstro StarName.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/SwiftAstro.swift:4:23: warning: static property 'brightStarCatalog' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
2 |
3 |     /// Yale Bright Star Catalog.
4 |     public static var brightStarCatalog = SwiftAstro.BrightStarCatalog()
  |                       |- warning: static property 'brightStarCatalog' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
  |                       |- note: convert 'brightStarCatalog' to a 'let' constant to make 'Sendable' shared state immutable
  |                       |- note: add '@MainActor' to make static property 'brightStarCatalog' part of global actor 'MainActor'
  |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
5 |
6 | }
[43/44] Compiling SwiftAstro StarNamesCatalog.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/SwiftAstro.swift:4:23: warning: static property 'brightStarCatalog' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
2 |
3 |     /// Yale Bright Star Catalog.
4 |     public static var brightStarCatalog = SwiftAstro.BrightStarCatalog()
  |                       |- warning: static property 'brightStarCatalog' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
  |                       |- note: convert 'brightStarCatalog' to a 'let' constant to make 'Sendable' shared state immutable
  |                       |- note: add '@MainActor' to make static property 'brightStarCatalog' part of global actor 'MainActor'
  |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
5 |
6 | }
[44/44] Compiling SwiftAstro SwiftAstro.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/SwiftAstro.swift:4:23: warning: static property 'brightStarCatalog' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
2 |
3 |     /// Yale Bright Star Catalog.
4 |     public static var brightStarCatalog = SwiftAstro.BrightStarCatalog()
  |                       |- warning: static property 'brightStarCatalog' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
  |                       |- note: convert 'brightStarCatalog' to a 'let' constant to make 'Sendable' shared state immutable
  |                       |- note: add '@MainActor' to make static property 'brightStarCatalog' part of global actor 'MainActor'
  |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
5 |
6 | }
Build complete! (5.98s)
Build complete.
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  "manifest_display_name" : "SwiftAstro",
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        "StarNamesTests.swift",
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          "rule" : {
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          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/SwiftAstro/Resources/yale-bright-star-catalog.txt",
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      "sources" : [
        "Entities/AstronomicallyNameable.swift",
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        "Entities/Planet.swift",
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        "Entities/Positionable+Geocentric.swift",
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Done.