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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build Shift, reference main (4162aa), with Swift 5.9 for macOS (SPM) on 20 Mar 2025 16:20:25 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.2.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.60.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/vinhnx/Shift.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/vinhnx/Shift
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 4162aab Merge pull request #16 from vinhnx/vinhnx-patch-2
Cloned https://github.com/vinhnx/Shift.git
Revision (git rev-parse @):
4162aab0e4096252c18fe4b01b4af23456a0f7bb
SUCCESS checkout https://github.com/vinhnx/Shift.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.9
Building package at path:  $PWD
https://github.com/vinhnx/Shift.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.2.0.app xcrun swift build --arch arm64
Building for debugging...
[0/1] Compiling _NumericsShims _NumericsShims.c
[2/11] Compiling RealModule Real.swift
[3/11] Compiling RealModule Float16+Real.swift
[4/11] Compiling RealModule Float80+Real.swift
[5/11] Compiling RealModule Float+Real.swift
[6/11] Compiling RealModule AugmentedArithmetic.swift
[7/11] Emitting module RealModule
[8/11] Compiling RealModule ApproximateEquality.swift
[9/11] Compiling RealModule ElementaryFunctions.swift
[10/11] Compiling RealModule Double+Real.swift
[11/11] Compiling RealModule AlgebraicField.swift
[12/12] Compiling RealModule RealFunctions.swift
[13/38] Compiling Algorithms RandomSample.swift
[14/38] Compiling Algorithms Reductions.swift
[15/38] Compiling Algorithms Rotate.swift
[16/40] Compiling Algorithms Partition.swift
[17/40] Compiling Algorithms Permutations.swift
[18/40] Compiling Algorithms Product.swift
[19/40] Compiling Algorithms Unique.swift
[20/40] Compiling Algorithms Windows.swift
[21/40] Compiling Algorithms Suffix.swift
[22/40] Compiling Algorithms Trim.swift
[23/40] Compiling Algorithms EitherSequence.swift
[24/40] Compiling Algorithms FirstNonNil.swift
[25/40] Compiling Algorithms FlattenCollection.swift
[26/40] Compiling Algorithms Grouped.swift
[27/40] Compiling Algorithms Indexed.swift
[28/40] Compiling Algorithms Intersperse.swift
[29/40] Compiling Algorithms Split.swift
[30/40] Compiling Algorithms Stride.swift
[31/40] Compiling Algorithms Joined.swift
[32/40] Compiling Algorithms Keyed.swift
[33/40] Compiling Algorithms MinMax.swift
[34/40] Compiling Algorithms AdjacentPairs.swift
[35/40] Compiling Algorithms Chain.swift
[36/40] Compiling Algorithms Chunked.swift
[37/40] Emitting module Algorithms
[38/40] Compiling Algorithms Combinations.swift
[39/40] Compiling Algorithms Compacted.swift
[40/40] Compiling Algorithms Cycle.swift
[41/42] Emitting module Shift
[42/42] Compiling Shift Shift.swift
/Users/admin/builder/spi-builder-workspace/Sources/Shift/Shift.swift:240:33: error: 'requestFullAccessToEvents(completion:)' is only available in macOS 14.0 or newer
                self.eventStore.requestFullAccessToEvents(completion: completion)
                                ^
/Users/admin/builder/spi-builder-workspace/Sources/Shift/Shift.swift:240:33: note: add 'if #available' version check
                self.eventStore.requestFullAccessToEvents(completion: completion)
                                ^
/Users/admin/builder/spi-builder-workspace/Sources/Shift/Shift.swift:228:18: note: add @available attribute to enclosing instance method
    private func requestCalendarAccess() async throws -> Bool {
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/Shift/Shift.swift:37:20: note: add @available attribute to enclosing class
public final class Shift: ObservableObject {
                   ^
error: fatalError
Fetching https://github.com/apple/swift-algorithms
[1/5863] Fetching swift-algorithms
Fetched https://github.com/apple/swift-algorithms (1.61s)
Computing version for https://github.com/apple/swift-algorithms
Computed https://github.com/apple/swift-algorithms at 1.2.1 (0.46s)
Fetching https://github.com/apple/swift-numerics.git
[1/5659] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics.git (1.07s)
Computing version for https://github.com/apple/swift-numerics.git
Computed https://github.com/apple/swift-numerics.git at 1.0.3 (0.45s)
Creating working copy for https://github.com/apple/swift-numerics.git
Working copy of https://github.com/apple/swift-numerics.git resolved at 1.0.3
Creating working copy for https://github.com/apple/swift-algorithms
Working copy of https://github.com/apple/swift-algorithms resolved at 1.2.1
BUILD FAILURE 5.9 macosSpm