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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

Successful build of ReactiveSSE with Swift 6.0 for macOS (SPM).

Swift 6 data race errors: 11

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/banjun/ReactiveSSE.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/banjun/ReactiveSSE
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 13b5d3d Merge pull request #11 from banjun/dependabot/bundler/activesupport-6.1.7.1
Cloned https://github.com/banjun/ReactiveSSE.git
Revision (git rev-parse @):
13b5d3da0af982ff1de1a9558ffd8bc695b2c9a7
SUCCESS checkout https://github.com/banjun/ReactiveSSE.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/banjun/ReactiveSSE.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/4] Write sources
[3/4] Write swift-version-6F35C1178C84523A.txt
[5/51] Emitting module ReactiveSwift
[6/55] Compiling ReactiveSwift AttemptMap.swift
[7/55] Compiling ReactiveSwift Collect.swift
[8/55] Compiling ReactiveSwift CombinePrevious.swift
[9/55] Compiling ReactiveSwift CompactMap.swift
[10/55] Compiling ReactiveSwift Dematerialize.swift
[11/55] Compiling ReactiveSwift Materialize.swift
[12/55] Compiling ReactiveSwift MaterializeAsResult.swift
[13/55] Compiling ReactiveSwift Observer.swift
[14/55] Compiling ReactiveSwift Operators.swift
[15/55] Compiling ReactiveSwift Reduce.swift
[16/55] Compiling ReactiveSwift ScanMap.swift
[17/55] Compiling ReactiveSwift SkipFirst.swift
[18/55] Compiling ReactiveSwift SkipRepeats.swift
[19/55] Compiling ReactiveSwift DematerializeResults.swift
[20/55] Compiling ReactiveSwift Filter.swift
[21/55] Compiling ReactiveSwift Map.swift
[22/55] Compiling ReactiveSwift MapError.swift
[23/55] Compiling ReactiveSwift UniqueValues.swift
[24/55] Compiling ReactiveSwift Optional.swift
[25/55] Compiling ReactiveSwift Property.swift
[26/55] Compiling ReactiveSwift Reactive.swift
[27/55] Compiling ReactiveSwift SkipWhile.swift
[28/55] Compiling ReactiveSwift TakeFirst.swift
[29/55] Compiling ReactiveSwift TakeLast.swift
[30/55] Compiling ReactiveSwift TakeWhile.swift
[31/55] Compiling FootlessParser StringParser.swift
[32/55] Compiling FootlessParser Parsers.swift
[33/55] Compiling FootlessParser Parser.swift
[34/55] Compiling FootlessParser Parser+Operators.swift
[35/55] Compiling FootlessParser Converters.swift
[36/55] Compiling FootlessParser Error.swift
[37/55] Emitting module FootlessParser
[38/55] Compiling ReactiveSwift Action.swift
[39/55] Compiling ReactiveSwift Atomic.swift
[40/55] Compiling ReactiveSwift Bag.swift
[41/55] Compiling ReactiveSwift Deprecations+Removals.swift
[42/55] Compiling ReactiveSwift Disposable.swift
[43/55] Compiling ReactiveSwift Event.swift
[44/55] Compiling ReactiveSwift EventLogger.swift
[45/55] Compiling ReactiveSwift Flatten.swift
[46/55] Compiling ReactiveSwift FoundationExtensions.swift
[47/55] Compiling ReactiveSwift Lifetime.swift
[48/55] Compiling ReactiveSwift ResultExtensions.swift
[49/55] Compiling ReactiveSwift Scheduler.swift
[50/55] Compiling ReactiveSwift Signal.Observer.swift
[51/55] Compiling ReactiveSwift Signal.swift
[52/55] Compiling ReactiveSwift SignalProducer.swift
[53/55] Compiling ReactiveSwift UnidirectionalBinding.swift
[54/55] Compiling ReactiveSwift UninhabitedTypeGuards.swift
[55/55] Compiling ReactiveSwift ValidatingProperty.swift
[56/62] Compiling ReactiveSSE SSEvent.swift
[57/62] Compiling ReactiveSSE SSError.swift
[58/62] Compiling ReactiveSSE ReactiveSSE.swift
[59/62] Compiling ReactiveSSE EventStream.swift
/Users/admin/builder/spi-builder-workspace/ReactiveSSE/Classes/EventStream.swift:17:16: warning: static property 'nameChar' is not concurrency-safe because non-'Sendable' type 'Parser<Character, Character>' may have shared mutable state; this is an error in the Swift 6 language mode
15 |     }
16 |
17 |     static let nameChar: Parser<Character, Character> = noneOf(["\r\n", "\r", "\n", ":"])
   |                `- warning: static property 'nameChar' is not concurrency-safe because non-'Sendable' type 'Parser<Character, Character>' may have shared mutable state; this is an error in the Swift 6 language mode
18 |     static let anyChar: Parser<Character, Character> = noneOf(["\r\n", "\r", "\n"])
19 |     static let space: Parser<Character, Character> = char(" ")
/Users/admin/builder/spi-builder-workspace/.build/checkouts/FootlessParser/Sources/FootlessParser/Parser.swift:2:15: note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  1 | // would've liked a generic typealias here.
  2 | public struct Parser<Token, Output> {
    |               `- note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  3 |     public typealias ParseFunction = (AnyCollection<Token>) throws -> (output: Output, remainder: AnyCollection<Token>)
  4 |     public let parse: ParseFunction
/Users/admin/builder/spi-builder-workspace/ReactiveSSE/Classes/EventStream.swift:1:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'FootlessParser'
 1 | import FootlessParser
   | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'FootlessParser'
 2 |
 3 | // https://html.spec.whatwg.org/multipage/server-sent-events.html
   :
15 |     }
16 |
17 |     static let nameChar: Parser<Character, Character> = noneOf(["\r\n", "\r", "\n", ":"])
   |                |- note: annotate 'nameChar' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
18 |     static let anyChar: Parser<Character, Character> = noneOf(["\r\n", "\r", "\n"])
19 |     static let space: Parser<Character, Character> = char(" ")
/Users/admin/builder/spi-builder-workspace/ReactiveSSE/Classes/EventStream.swift:18:16: warning: static property 'anyChar' is not concurrency-safe because non-'Sendable' type 'Parser<Character, Character>' may have shared mutable state; this is an error in the Swift 6 language mode
16 |
17 |     static let nameChar: Parser<Character, Character> = noneOf(["\r\n", "\r", "\n", ":"])
18 |     static let anyChar: Parser<Character, Character> = noneOf(["\r\n", "\r", "\n"])
   |                |- warning: static property 'anyChar' is not concurrency-safe because non-'Sendable' type 'Parser<Character, Character>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'anyChar' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
19 |     static let space: Parser<Character, Character> = char(" ")
20 |     static let eol: Parser<Character, Character> = oneOf(["\r\n", "\r", "\n"])
/Users/admin/builder/spi-builder-workspace/.build/checkouts/FootlessParser/Sources/FootlessParser/Parser.swift:2:15: note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  1 | // would've liked a generic typealias here.
  2 | public struct Parser<Token, Output> {
    |               `- note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  3 |     public typealias ParseFunction = (AnyCollection<Token>) throws -> (output: Output, remainder: AnyCollection<Token>)
  4 |     public let parse: ParseFunction
/Users/admin/builder/spi-builder-workspace/ReactiveSSE/Classes/EventStream.swift:19:16: warning: static property 'space' is not concurrency-safe because non-'Sendable' type 'Parser<Character, Character>' may have shared mutable state; this is an error in the Swift 6 language mode
17 |     static let nameChar: Parser<Character, Character> = noneOf(["\r\n", "\r", "\n", ":"])
18 |     static let anyChar: Parser<Character, Character> = noneOf(["\r\n", "\r", "\n"])
19 |     static let space: Parser<Character, Character> = char(" ")
   |                |- warning: static property 'space' is not concurrency-safe because non-'Sendable' type 'Parser<Character, Character>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'space' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
20 |     static let eol: Parser<Character, Character> = oneOf(["\r\n", "\r", "\n"])
21 |     static let name: Parser<Character, String> = oneOrMore(nameChar)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/FootlessParser/Sources/FootlessParser/Parser.swift:2:15: note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  1 | // would've liked a generic typealias here.
  2 | public struct Parser<Token, Output> {
    |               `- note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  3 |     public typealias ParseFunction = (AnyCollection<Token>) throws -> (output: Output, remainder: AnyCollection<Token>)
  4 |     public let parse: ParseFunction
/Users/admin/builder/spi-builder-workspace/ReactiveSSE/Classes/EventStream.swift:20:16: warning: static property 'eol' is not concurrency-safe because non-'Sendable' type 'Parser<Character, Character>' may have shared mutable state; this is an error in the Swift 6 language mode
18 |     static let anyChar: Parser<Character, Character> = noneOf(["\r\n", "\r", "\n"])
19 |     static let space: Parser<Character, Character> = char(" ")
20 |     static let eol: Parser<Character, Character> = oneOf(["\r\n", "\r", "\n"])
   |                |- warning: static property 'eol' is not concurrency-safe because non-'Sendable' type 'Parser<Character, Character>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'eol' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
21 |     static let name: Parser<Character, String> = oneOrMore(nameChar)
22 |     static let value: Parser<Character, String> = zeroOrMore(anyChar)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/FootlessParser/Sources/FootlessParser/Parser.swift:2:15: note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  1 | // would've liked a generic typealias here.
  2 | public struct Parser<Token, Output> {
    |               `- note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  3 |     public typealias ParseFunction = (AnyCollection<Token>) throws -> (output: Output, remainder: AnyCollection<Token>)
  4 |     public let parse: ParseFunction
/Users/admin/builder/spi-builder-workspace/ReactiveSSE/Classes/EventStream.swift:21:16: warning: static property 'name' is not concurrency-safe because non-'Sendable' type 'Parser<Character, String>' may have shared mutable state; this is an error in the Swift 6 language mode
19 |     static let space: Parser<Character, Character> = char(" ")
20 |     static let eol: Parser<Character, Character> = oneOf(["\r\n", "\r", "\n"])
21 |     static let name: Parser<Character, String> = oneOrMore(nameChar)
   |                |- warning: static property 'name' is not concurrency-safe because non-'Sendable' type 'Parser<Character, String>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'name' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
22 |     static let value: Parser<Character, String> = zeroOrMore(anyChar)
23 |     static let event: Parser<Character, [Event]> = zeroOrMore((Event.comment <^> comment) <|> (Event.field <^> field)) <* eol
/Users/admin/builder/spi-builder-workspace/.build/checkouts/FootlessParser/Sources/FootlessParser/Parser.swift:2:15: note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  1 | // would've liked a generic typealias here.
  2 | public struct Parser<Token, Output> {
    |               `- note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  3 |     public typealias ParseFunction = (AnyCollection<Token>) throws -> (output: Output, remainder: AnyCollection<Token>)
  4 |     public let parse: ParseFunction
/Users/admin/builder/spi-builder-workspace/ReactiveSSE/Classes/EventStream.swift:22:16: warning: static property 'value' is not concurrency-safe because non-'Sendable' type 'Parser<Character, String>' may have shared mutable state; this is an error in the Swift 6 language mode
20 |     static let eol: Parser<Character, Character> = oneOf(["\r\n", "\r", "\n"])
21 |     static let name: Parser<Character, String> = oneOrMore(nameChar)
22 |     static let value: Parser<Character, String> = zeroOrMore(anyChar)
   |                |- warning: static property 'value' is not concurrency-safe because non-'Sendable' type 'Parser<Character, String>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'value' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
23 |     static let event: Parser<Character, [Event]> = zeroOrMore((Event.comment <^> comment) <|> (Event.field <^> field)) <* eol
24 |     static let comment: Parser<Character, Comment> = (char(":") *> value <* eol)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/FootlessParser/Sources/FootlessParser/Parser.swift:2:15: note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  1 | // would've liked a generic typealias here.
  2 | public struct Parser<Token, Output> {
    |               `- note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  3 |     public typealias ParseFunction = (AnyCollection<Token>) throws -> (output: Output, remainder: AnyCollection<Token>)
  4 |     public let parse: ParseFunction
/Users/admin/builder/spi-builder-workspace/ReactiveSSE/Classes/EventStream.swift:23:16: warning: static property 'event' is not concurrency-safe because non-'Sendable' type 'Parser<Character, [EventStream.Event]>' may have shared mutable state; this is an error in the Swift 6 language mode
21 |     static let name: Parser<Character, String> = oneOrMore(nameChar)
22 |     static let value: Parser<Character, String> = zeroOrMore(anyChar)
23 |     static let event: Parser<Character, [Event]> = zeroOrMore((Event.comment <^> comment) <|> (Event.field <^> field)) <* eol
   |                |- warning: static property 'event' is not concurrency-safe because non-'Sendable' type 'Parser<Character, [EventStream.Event]>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'event' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
24 |     static let comment: Parser<Character, Comment> = (char(":") *> value <* eol)
25 |     static let field: Parser<Character, Field> = curry(Field.init) <^> name <* char(":") <* optional(space) <*> value <* eol
/Users/admin/builder/spi-builder-workspace/.build/checkouts/FootlessParser/Sources/FootlessParser/Parser.swift:2:15: note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  1 | // would've liked a generic typealias here.
  2 | public struct Parser<Token, Output> {
    |               `- note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  3 |     public typealias ParseFunction = (AnyCollection<Token>) throws -> (output: Output, remainder: AnyCollection<Token>)
  4 |     public let parse: ParseFunction
/Users/admin/builder/spi-builder-workspace/ReactiveSSE/Classes/EventStream.swift:24:16: warning: static property 'comment' is not concurrency-safe because non-'Sendable' type 'Parser<Character, EventStream.Comment>' (aka 'Parser<Character, String>') may have shared mutable state; this is an error in the Swift 6 language mode
22 |     static let value: Parser<Character, String> = zeroOrMore(anyChar)
23 |     static let event: Parser<Character, [Event]> = zeroOrMore((Event.comment <^> comment) <|> (Event.field <^> field)) <* eol
24 |     static let comment: Parser<Character, Comment> = (char(":") *> value <* eol)
   |                |- warning: static property 'comment' is not concurrency-safe because non-'Sendable' type 'Parser<Character, EventStream.Comment>' (aka 'Parser<Character, String>') may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'comment' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
25 |     static let field: Parser<Character, Field> = curry(Field.init) <^> name <* char(":") <* optional(space) <*> value <* eol
26 | }
/Users/admin/builder/spi-builder-workspace/.build/checkouts/FootlessParser/Sources/FootlessParser/Parser.swift:2:15: note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  1 | // would've liked a generic typealias here.
  2 | public struct Parser<Token, Output> {
    |               `- note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  3 |     public typealias ParseFunction = (AnyCollection<Token>) throws -> (output: Output, remainder: AnyCollection<Token>)
  4 |     public let parse: ParseFunction
/Users/admin/builder/spi-builder-workspace/ReactiveSSE/Classes/EventStream.swift:25:16: warning: static property 'field' is not concurrency-safe because non-'Sendable' type 'Parser<Character, EventStream.Field>' may have shared mutable state; this is an error in the Swift 6 language mode
23 |     static let event: Parser<Character, [Event]> = zeroOrMore((Event.comment <^> comment) <|> (Event.field <^> field)) <* eol
24 |     static let comment: Parser<Character, Comment> = (char(":") *> value <* eol)
25 |     static let field: Parser<Character, Field> = curry(Field.init) <^> name <* char(":") <* optional(space) <*> value <* eol
   |                |- warning: static property 'field' is not concurrency-safe because non-'Sendable' type 'Parser<Character, EventStream.Field>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'field' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
26 | }
27 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/FootlessParser/Sources/FootlessParser/Parser.swift:2:15: note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  1 | // would've liked a generic typealias here.
  2 | public struct Parser<Token, Output> {
    |               `- note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  3 |     public typealias ParseFunction = (AnyCollection<Token>) throws -> (output: Output, remainder: AnyCollection<Token>)
  4 |     public let parse: ParseFunction
[60/62] Compiling ReactiveSSE ReactiveOperator.swift
/Users/admin/builder/spi-builder-workspace/ReactiveSSE/Classes/EventStream.swift:23:16: warning: static property 'event' is not concurrency-safe because non-'Sendable' type 'Parser<Character, [EventStream.Event]>' may have shared mutable state; this is an error in the Swift 6 language mode
21 |     static let name: Parser<Character, String> = oneOrMore(nameChar)
22 |     static let value: Parser<Character, String> = zeroOrMore(anyChar)
23 |     static let event: Parser<Character, [Event]> = zeroOrMore((Event.comment <^> comment) <|> (Event.field <^> field)) <* eol
   |                `- warning: static property 'event' is not concurrency-safe because non-'Sendable' type 'Parser<Character, [EventStream.Event]>' may have shared mutable state; this is an error in the Swift 6 language mode
24 |     static let comment: Parser<Character, Comment> = (char(":") *> value <* eol)
25 |     static let field: Parser<Character, Field> = curry(Field.init) <^> name <* char(":") <* optional(space) <*> value <* eol
/Users/admin/builder/spi-builder-workspace/.build/checkouts/FootlessParser/Sources/FootlessParser/Parser.swift:2:15: note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  1 | // would've liked a generic typealias here.
  2 | public struct Parser<Token, Output> {
    |               `- note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  3 |     public typealias ParseFunction = (AnyCollection<Token>) throws -> (output: Output, remainder: AnyCollection<Token>)
  4 |     public let parse: ParseFunction
/Users/admin/builder/spi-builder-workspace/ReactiveSSE/Classes/EventStream.swift:1:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'FootlessParser'
 1 | import FootlessParser
   | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'FootlessParser'
 2 |
 3 | // https://html.spec.whatwg.org/multipage/server-sent-events.html
   :
21 |     static let name: Parser<Character, String> = oneOrMore(nameChar)
22 |     static let value: Parser<Character, String> = zeroOrMore(anyChar)
23 |     static let event: Parser<Character, [Event]> = zeroOrMore((Event.comment <^> comment) <|> (Event.field <^> field)) <* eol
   |                |- note: annotate 'event' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
24 |     static let comment: Parser<Character, Comment> = (char(":") *> value <* eol)
25 |     static let field: Parser<Character, Field> = curry(Field.init) <^> name <* char(":") <* optional(space) <*> value <* eol
[61/62] Emitting module ReactiveSSE
/Users/admin/builder/spi-builder-workspace/ReactiveSSE/Classes/EventStream.swift:17:16: warning: static property 'nameChar' is not concurrency-safe because non-'Sendable' type 'Parser<Character, Character>' may have shared mutable state; this is an error in the Swift 6 language mode
15 |     }
16 |
17 |     static let nameChar: Parser<Character, Character> = noneOf(["\r\n", "\r", "\n", ":"])
   |                `- warning: static property 'nameChar' is not concurrency-safe because non-'Sendable' type 'Parser<Character, Character>' may have shared mutable state; this is an error in the Swift 6 language mode
18 |     static let anyChar: Parser<Character, Character> = noneOf(["\r\n", "\r", "\n"])
19 |     static let space: Parser<Character, Character> = char(" ")
/Users/admin/builder/spi-builder-workspace/.build/checkouts/FootlessParser/Sources/FootlessParser/Parser.swift:2:15: note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  1 | // would've liked a generic typealias here.
  2 | public struct Parser<Token, Output> {
    |               `- note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  3 |     public typealias ParseFunction = (AnyCollection<Token>) throws -> (output: Output, remainder: AnyCollection<Token>)
  4 |     public let parse: ParseFunction
/Users/admin/builder/spi-builder-workspace/ReactiveSSE/Classes/EventStream.swift:1:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'FootlessParser'
 1 | import FootlessParser
   | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'FootlessParser'
 2 |
 3 | // https://html.spec.whatwg.org/multipage/server-sent-events.html
   :
15 |     }
16 |
17 |     static let nameChar: Parser<Character, Character> = noneOf(["\r\n", "\r", "\n", ":"])
   |                |- note: annotate 'nameChar' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
18 |     static let anyChar: Parser<Character, Character> = noneOf(["\r\n", "\r", "\n"])
19 |     static let space: Parser<Character, Character> = char(" ")
/Users/admin/builder/spi-builder-workspace/ReactiveSSE/Classes/EventStream.swift:18:16: warning: static property 'anyChar' is not concurrency-safe because non-'Sendable' type 'Parser<Character, Character>' may have shared mutable state; this is an error in the Swift 6 language mode
16 |
17 |     static let nameChar: Parser<Character, Character> = noneOf(["\r\n", "\r", "\n", ":"])
18 |     static let anyChar: Parser<Character, Character> = noneOf(["\r\n", "\r", "\n"])
   |                |- warning: static property 'anyChar' is not concurrency-safe because non-'Sendable' type 'Parser<Character, Character>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'anyChar' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
19 |     static let space: Parser<Character, Character> = char(" ")
20 |     static let eol: Parser<Character, Character> = oneOf(["\r\n", "\r", "\n"])
/Users/admin/builder/spi-builder-workspace/.build/checkouts/FootlessParser/Sources/FootlessParser/Parser.swift:2:15: note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  1 | // would've liked a generic typealias here.
  2 | public struct Parser<Token, Output> {
    |               `- note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  3 |     public typealias ParseFunction = (AnyCollection<Token>) throws -> (output: Output, remainder: AnyCollection<Token>)
  4 |     public let parse: ParseFunction
/Users/admin/builder/spi-builder-workspace/ReactiveSSE/Classes/EventStream.swift:19:16: warning: static property 'space' is not concurrency-safe because non-'Sendable' type 'Parser<Character, Character>' may have shared mutable state; this is an error in the Swift 6 language mode
17 |     static let nameChar: Parser<Character, Character> = noneOf(["\r\n", "\r", "\n", ":"])
18 |     static let anyChar: Parser<Character, Character> = noneOf(["\r\n", "\r", "\n"])
19 |     static let space: Parser<Character, Character> = char(" ")
   |                |- warning: static property 'space' is not concurrency-safe because non-'Sendable' type 'Parser<Character, Character>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'space' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
20 |     static let eol: Parser<Character, Character> = oneOf(["\r\n", "\r", "\n"])
21 |     static let name: Parser<Character, String> = oneOrMore(nameChar)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/FootlessParser/Sources/FootlessParser/Parser.swift:2:15: note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  1 | // would've liked a generic typealias here.
  2 | public struct Parser<Token, Output> {
    |               `- note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  3 |     public typealias ParseFunction = (AnyCollection<Token>) throws -> (output: Output, remainder: AnyCollection<Token>)
  4 |     public let parse: ParseFunction
/Users/admin/builder/spi-builder-workspace/ReactiveSSE/Classes/EventStream.swift:20:16: warning: static property 'eol' is not concurrency-safe because non-'Sendable' type 'Parser<Character, Character>' may have shared mutable state; this is an error in the Swift 6 language mode
18 |     static let anyChar: Parser<Character, Character> = noneOf(["\r\n", "\r", "\n"])
19 |     static let space: Parser<Character, Character> = char(" ")
20 |     static let eol: Parser<Character, Character> = oneOf(["\r\n", "\r", "\n"])
   |                |- warning: static property 'eol' is not concurrency-safe because non-'Sendable' type 'Parser<Character, Character>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'eol' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
21 |     static let name: Parser<Character, String> = oneOrMore(nameChar)
22 |     static let value: Parser<Character, String> = zeroOrMore(anyChar)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/FootlessParser/Sources/FootlessParser/Parser.swift:2:15: note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  1 | // would've liked a generic typealias here.
  2 | public struct Parser<Token, Output> {
    |               `- note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  3 |     public typealias ParseFunction = (AnyCollection<Token>) throws -> (output: Output, remainder: AnyCollection<Token>)
  4 |     public let parse: ParseFunction
/Users/admin/builder/spi-builder-workspace/ReactiveSSE/Classes/EventStream.swift:21:16: warning: static property 'name' is not concurrency-safe because non-'Sendable' type 'Parser<Character, String>' may have shared mutable state; this is an error in the Swift 6 language mode
19 |     static let space: Parser<Character, Character> = char(" ")
20 |     static let eol: Parser<Character, Character> = oneOf(["\r\n", "\r", "\n"])
21 |     static let name: Parser<Character, String> = oneOrMore(nameChar)
   |                |- warning: static property 'name' is not concurrency-safe because non-'Sendable' type 'Parser<Character, String>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'name' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
22 |     static let value: Parser<Character, String> = zeroOrMore(anyChar)
23 |     static let event: Parser<Character, [Event]> = zeroOrMore((Event.comment <^> comment) <|> (Event.field <^> field)) <* eol
/Users/admin/builder/spi-builder-workspace/.build/checkouts/FootlessParser/Sources/FootlessParser/Parser.swift:2:15: note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  1 | // would've liked a generic typealias here.
  2 | public struct Parser<Token, Output> {
    |               `- note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  3 |     public typealias ParseFunction = (AnyCollection<Token>) throws -> (output: Output, remainder: AnyCollection<Token>)
  4 |     public let parse: ParseFunction
/Users/admin/builder/spi-builder-workspace/ReactiveSSE/Classes/EventStream.swift:22:16: warning: static property 'value' is not concurrency-safe because non-'Sendable' type 'Parser<Character, String>' may have shared mutable state; this is an error in the Swift 6 language mode
20 |     static let eol: Parser<Character, Character> = oneOf(["\r\n", "\r", "\n"])
21 |     static let name: Parser<Character, String> = oneOrMore(nameChar)
22 |     static let value: Parser<Character, String> = zeroOrMore(anyChar)
   |                |- warning: static property 'value' is not concurrency-safe because non-'Sendable' type 'Parser<Character, String>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'value' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
23 |     static let event: Parser<Character, [Event]> = zeroOrMore((Event.comment <^> comment) <|> (Event.field <^> field)) <* eol
24 |     static let comment: Parser<Character, Comment> = (char(":") *> value <* eol)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/FootlessParser/Sources/FootlessParser/Parser.swift:2:15: note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  1 | // would've liked a generic typealias here.
  2 | public struct Parser<Token, Output> {
    |               `- note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  3 |     public typealias ParseFunction = (AnyCollection<Token>) throws -> (output: Output, remainder: AnyCollection<Token>)
  4 |     public let parse: ParseFunction
/Users/admin/builder/spi-builder-workspace/ReactiveSSE/Classes/EventStream.swift:23:16: warning: static property 'event' is not concurrency-safe because non-'Sendable' type 'Parser<Character, [EventStream.Event]>' may have shared mutable state; this is an error in the Swift 6 language mode
21 |     static let name: Parser<Character, String> = oneOrMore(nameChar)
22 |     static let value: Parser<Character, String> = zeroOrMore(anyChar)
23 |     static let event: Parser<Character, [Event]> = zeroOrMore((Event.comment <^> comment) <|> (Event.field <^> field)) <* eol
   |                |- warning: static property 'event' is not concurrency-safe because non-'Sendable' type 'Parser<Character, [EventStream.Event]>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'event' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
24 |     static let comment: Parser<Character, Comment> = (char(":") *> value <* eol)
25 |     static let field: Parser<Character, Field> = curry(Field.init) <^> name <* char(":") <* optional(space) <*> value <* eol
/Users/admin/builder/spi-builder-workspace/.build/checkouts/FootlessParser/Sources/FootlessParser/Parser.swift:2:15: note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  1 | // would've liked a generic typealias here.
  2 | public struct Parser<Token, Output> {
    |               `- note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  3 |     public typealias ParseFunction = (AnyCollection<Token>) throws -> (output: Output, remainder: AnyCollection<Token>)
  4 |     public let parse: ParseFunction
/Users/admin/builder/spi-builder-workspace/ReactiveSSE/Classes/EventStream.swift:24:16: warning: static property 'comment' is not concurrency-safe because non-'Sendable' type 'Parser<Character, EventStream.Comment>' (aka 'Parser<Character, String>') may have shared mutable state; this is an error in the Swift 6 language mode
22 |     static let value: Parser<Character, String> = zeroOrMore(anyChar)
23 |     static let event: Parser<Character, [Event]> = zeroOrMore((Event.comment <^> comment) <|> (Event.field <^> field)) <* eol
24 |     static let comment: Parser<Character, Comment> = (char(":") *> value <* eol)
   |                |- warning: static property 'comment' is not concurrency-safe because non-'Sendable' type 'Parser<Character, EventStream.Comment>' (aka 'Parser<Character, String>') may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'comment' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
25 |     static let field: Parser<Character, Field> = curry(Field.init) <^> name <* char(":") <* optional(space) <*> value <* eol
26 | }
/Users/admin/builder/spi-builder-workspace/.build/checkouts/FootlessParser/Sources/FootlessParser/Parser.swift:2:15: note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  1 | // would've liked a generic typealias here.
  2 | public struct Parser<Token, Output> {
    |               `- note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  3 |     public typealias ParseFunction = (AnyCollection<Token>) throws -> (output: Output, remainder: AnyCollection<Token>)
  4 |     public let parse: ParseFunction
/Users/admin/builder/spi-builder-workspace/ReactiveSSE/Classes/EventStream.swift:25:16: warning: static property 'field' is not concurrency-safe because non-'Sendable' type 'Parser<Character, EventStream.Field>' may have shared mutable state; this is an error in the Swift 6 language mode
23 |     static let event: Parser<Character, [Event]> = zeroOrMore((Event.comment <^> comment) <|> (Event.field <^> field)) <* eol
24 |     static let comment: Parser<Character, Comment> = (char(":") *> value <* eol)
25 |     static let field: Parser<Character, Field> = curry(Field.init) <^> name <* char(":") <* optional(space) <*> value <* eol
   |                |- warning: static property 'field' is not concurrency-safe because non-'Sendable' type 'Parser<Character, EventStream.Field>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'field' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
26 | }
27 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/FootlessParser/Sources/FootlessParser/Parser.swift:2:15: note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  1 | // would've liked a generic typealias here.
  2 | public struct Parser<Token, Output> {
    |               `- note: generic struct 'Parser' does not conform to the 'Sendable' protocol
  3 |     public typealias ParseFunction = (AnyCollection<Token>) throws -> (output: Output, remainder: AnyCollection<Token>)
  4 |     public let parse: ParseFunction
/Users/admin/builder/spi-builder-workspace/ReactiveSSE/Classes/SessionDataPipe.swift:5:9: warning: stored property 'pipe' of 'Sendable'-conforming class 'SessionDataPipe' has non-sendable type '(output: Signal<String, SSError>, input: Signal<String, SSError>.Observer)'; this is an error in the Swift 6 language mode
 3 |
 4 | final class SessionDataPipe: NSObject, URLSessionDataDelegate {
 5 |     let pipe = Signal<String, SSError>.pipe()
   |         `- warning: stored property 'pipe' of 'Sendable'-conforming class 'SessionDataPipe' has non-sendable type '(output: Signal<String, SSError>, input: Signal<String, SSError>.Observer)'; this is an error in the Swift 6 language mode
 6 |
 7 |     func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, didReceive response: URLResponse, completionHandler: @escaping (URLSession.ResponseDisposition) -> Void) {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/ReactiveSwift/Sources/Signal.swift:20:20: note: generic class 'Signal' does not conform to the 'Sendable' protocol
  18 | ///    1. its input observer receives a terminating event; or
  19 | ///    2. it has no active observers, and is not being retained.
  20 | public final class Signal<Value, Error: Swift.Error> {
     |                    `- note: generic class 'Signal' does not conform to the 'Sendable' protocol
  21 | 	/// The `Signal` core which manages the event stream.
  22 | 	///
/Users/admin/builder/spi-builder-workspace/ReactiveSSE/Classes/SessionDataPipe.swift:2:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'ReactiveSwift'
 1 | import Foundation
 2 | import ReactiveSwift
   | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'ReactiveSwift'
 3 |
 4 | final class SessionDataPipe: NSObject, URLSessionDataDelegate {
/Users/admin/builder/spi-builder-workspace/ReactiveSSE/Classes/SessionDataPipe.swift:5:9: warning: stored property 'pipe' of 'Sendable'-conforming class 'SessionDataPipe' has non-sendable type '(output: Signal<String, SSError>, input: Signal<String, SSError>.Observer)'; this is an error in the Swift 6 language mode
 3 |
 4 | final class SessionDataPipe: NSObject, URLSessionDataDelegate {
 5 |     let pipe = Signal<String, SSError>.pipe()
   |         `- warning: stored property 'pipe' of 'Sendable'-conforming class 'SessionDataPipe' has non-sendable type '(output: Signal<String, SSError>, input: Signal<String, SSError>.Observer)'; this is an error in the Swift 6 language mode
 6 |
 7 |     func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, didReceive response: URLResponse, completionHandler: @escaping (URLSession.ResponseDisposition) -> Void) {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/ReactiveSwift/Sources/Signal.Observer.swift:12:21: note: class 'Observer' does not conform to the 'Sendable' protocol
 10 | 	/// An Observer is a simple wrapper around a function which can receive Events
 11 | 	/// (typically from a Signal).
 12 | 	public final class Observer: ReactiveSwift.Observer<Value, Error> {
    |                     `- note: class 'Observer' does not conform to the 'Sendable' protocol
 13 | 		public typealias Action = (Event) -> Void
 14 | 		private let _send: Action
[62/62] Compiling ReactiveSSE SessionDataPipe.swift
/Users/admin/builder/spi-builder-workspace/ReactiveSSE/Classes/SessionDataPipe.swift:5:9: warning: stored property 'pipe' of 'Sendable'-conforming class 'SessionDataPipe' has non-sendable type '(output: Signal<String, SSError>, input: Signal<String, SSError>.Observer)'; this is an error in the Swift 6 language mode
 3 |
 4 | final class SessionDataPipe: NSObject, URLSessionDataDelegate {
 5 |     let pipe = Signal<String, SSError>.pipe()
   |         `- warning: stored property 'pipe' of 'Sendable'-conforming class 'SessionDataPipe' has non-sendable type '(output: Signal<String, SSError>, input: Signal<String, SSError>.Observer)'; this is an error in the Swift 6 language mode
 6 |
 7 |     func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, didReceive response: URLResponse, completionHandler: @escaping (URLSession.ResponseDisposition) -> Void) {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/ReactiveSwift/Sources/Signal.swift:20:20: note: generic class 'Signal' does not conform to the 'Sendable' protocol
  18 | ///    1. its input observer receives a terminating event; or
  19 | ///    2. it has no active observers, and is not being retained.
  20 | public final class Signal<Value, Error: Swift.Error> {
     |                    `- note: generic class 'Signal' does not conform to the 'Sendable' protocol
  21 | 	/// The `Signal` core which manages the event stream.
  22 | 	///
/Users/admin/builder/spi-builder-workspace/ReactiveSSE/Classes/SessionDataPipe.swift:2:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'ReactiveSwift'
 1 | import Foundation
 2 | import ReactiveSwift
   | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'ReactiveSwift'
 3 |
 4 | final class SessionDataPipe: NSObject, URLSessionDataDelegate {
/Users/admin/builder/spi-builder-workspace/ReactiveSSE/Classes/SessionDataPipe.swift:5:9: warning: stored property 'pipe' of 'Sendable'-conforming class 'SessionDataPipe' has non-sendable type '(output: Signal<String, SSError>, input: Signal<String, SSError>.Observer)'; this is an error in the Swift 6 language mode
 3 |
 4 | final class SessionDataPipe: NSObject, URLSessionDataDelegate {
 5 |     let pipe = Signal<String, SSError>.pipe()
   |         `- warning: stored property 'pipe' of 'Sendable'-conforming class 'SessionDataPipe' has non-sendable type '(output: Signal<String, SSError>, input: Signal<String, SSError>.Observer)'; this is an error in the Swift 6 language mode
 6 |
 7 |     func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, didReceive response: URLResponse, completionHandler: @escaping (URLSession.ResponseDisposition) -> Void) {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/ReactiveSwift/Sources/Signal.Observer.swift:12:21: note: class 'Observer' does not conform to the 'Sendable' protocol
 10 | 	/// An Observer is a simple wrapper around a function which can receive Events
 11 | 	/// (typically from a Signal).
 12 | 	public final class Observer: ReactiveSwift.Observer<Value, Error> {
    |                     `- note: class 'Observer' does not conform to the 'Sendable' protocol
 13 | 		public typealias Action = (Event) -> Void
 14 | 		private let _send: Action
Build complete! (41.11s)
Fetching https://github.com/ReactiveCocoa/ReactiveSwift
Fetching https://github.com/kareman/FootlessParser
[1/1836] Fetching footlessparser
[405/54274] Fetching footlessparser, reactiveswift
Fetched https://github.com/ReactiveCocoa/ReactiveSwift from cache (2.82s)
Fetched https://github.com/kareman/FootlessParser from cache (2.82s)
Computing version for https://github.com/kareman/FootlessParser
Computed https://github.com/kareman/FootlessParser at 0.5.2 (2.68s)
Computing version for https://github.com/ReactiveCocoa/ReactiveSwift
Computed https://github.com/ReactiveCocoa/ReactiveSwift at 6.6.0 (0.68s)
Creating working copy for https://github.com/ReactiveCocoa/ReactiveSwift
Working copy of https://github.com/ReactiveCocoa/ReactiveSwift resolved at 6.6.0
Creating working copy for https://github.com/kareman/FootlessParser
Working copy of https://github.com/kareman/FootlessParser resolved at 0.5.2
Build complete.
{
  "dependencies" : [
    {
      "identity" : "reactiveswift",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "6.0.0",
            "upper_bound" : "7.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/ReactiveCocoa/ReactiveSwift"
    },
    {
      "identity" : "footlessparser",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.5.2",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/kareman/FootlessParser"
    }
  ],
  "manifest_display_name" : "ReactiveSSE",
  "name" : "ReactiveSSE",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "ReactiveSSE",
      "targets" : [
        "ReactiveSSE"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ReactiveSSETests",
      "module_type" : "SwiftTarget",
      "name" : "ReactiveSSETests",
      "path" : "Tests/ReactiveSSETests",
      "product_dependencies" : [
        "FootlessParser",
        "ReactiveSwift"
      ],
      "sources" : [
        "Tests.swift"
      ],
      "target_dependencies" : [
        "ReactiveSSE"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ReactiveSSE",
      "module_type" : "SwiftTarget",
      "name" : "ReactiveSSE",
      "path" : "ReactiveSSE",
      "product_dependencies" : [
        "FootlessParser",
        "ReactiveSwift"
      ],
      "product_memberships" : [
        "ReactiveSSE"
      ],
      "sources" : [
        "Classes/EventStream.swift",
        "Classes/ReactiveOperator.swift",
        "Classes/ReactiveSSE.swift",
        "Classes/SSError.swift",
        "Classes/SSEvent.swift",
        "Classes/SessionDataPipe.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.