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Build Information

Successful build of Popen, reference 2.1.8 (3a7ec1), with Swift 6.1 for Linux on 4 Jun 2025 13:39:02 UTC.

Swift 6 data race errors: 28

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -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 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.63.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/johnno1962/Popen.git
Reference: 2.1.8
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/johnno1962/Popen
 * tag               2.1.8      -> FETCH_HEAD
HEAD is now at 3a7ec1d Add STDIN, STDOUT, STDERR, $Ids
Cloned https://github.com/johnno1962/Popen.git
Revision (git rev-parse @):
3a7ec1dc119f99c97fc1925573091f65d069d626
SUCCESS checkout https://github.com/johnno1962/Popen.git at 2.1.8
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/johnno1962/Popen.git
https://github.com/johnno1962/Popen.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Popen",
  "name" : "Popen",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Popen",
      "targets" : [
        "Popen"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "PopenD",
      "targets" : [
        "PopenD"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "PopenTests",
      "module_type" : "SwiftTarget",
      "name" : "PopenTests",
      "path" : "Tests/PopenTests",
      "sources" : [
        "PopenTests.swift"
      ],
      "target_dependencies" : [
        "Popen"
      ],
      "type" : "test"
    },
    {
      "c99name" : "PopenD",
      "module_type" : "SwiftTarget",
      "name" : "PopenD",
      "path" : "Sources/PopenD",
      "product_memberships" : [
        "PopenD"
      ],
      "sources" : [
        "Fopen.swift",
        "Fstat.swift",
        "Glob.swift",
        "Popen.swift",
        "Stream.swift",
        "Topen.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Popen",
      "module_type" : "SwiftTarget",
      "name" : "Popen",
      "path" : "Sources/Popen",
      "product_memberships" : [
        "Popen"
      ],
      "sources" : [
        "Fopen.swift",
        "Fstat.swift",
        "Glob.swift",
        "Popen.swift",
        "Stream.swift",
        "Topen.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -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 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:2b296aa7156f49efc57252cdf9ed4bb21d0f92fc98d88800e255491ba2db3116
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-24593BA9C3E375BF.txt
[4/17] Compiling PopenD Topen.swift
[5/17] Compiling Popen Topen.swift
[6/17] Compiling Popen Stream.swift
[7/17] Emitting module Popen
/host/spi-builder-workspace/Sources/Popen/Fopen.swift:22:27: warning: static property 'read' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
 17 |     public enum FILEMode {
    |                 `- note: consider making enum 'FILEMode' conform to the 'Sendable' protocol
 18 |         public init(_ rawValue: String) {
 19 |             self = .other(rawValue)
 20 |         }
 21 |
 22 |         static public let read = Self("r")
    |                           |- warning: static property 'read' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'read' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 23 |         static public let both = Self("r+")
 24 |         static public let write = Self("w")
/host/spi-builder-workspace/Sources/Popen/Fopen.swift:23:27: warning: static property 'both' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
 17 |     public enum FILEMode {
    |                 `- note: consider making enum 'FILEMode' conform to the 'Sendable' protocol
 18 |         public init(_ rawValue: String) {
 19 |             self = .other(rawValue)
    :
 21 |
 22 |         static public let read = Self("r")
 23 |         static public let both = Self("r+")
    |                           |- warning: static property 'both' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'both' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 24 |         static public let write = Self("w")
 25 |         static public let append =  Self("a")
/host/spi-builder-workspace/Sources/Popen/Fopen.swift:24:27: warning: static property 'write' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
 17 |     public enum FILEMode {
    |                 `- note: consider making enum 'FILEMode' conform to the 'Sendable' protocol
 18 |         public init(_ rawValue: String) {
 19 |             self = .other(rawValue)
    :
 22 |         static public let read = Self("r")
 23 |         static public let both = Self("r+")
 24 |         static public let write = Self("w")
    |                           |- warning: static property 'write' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'write' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 25 |         static public let append =  Self("a")
 26 |         static public let new = Self("wx")
/host/spi-builder-workspace/Sources/Popen/Fopen.swift:25:27: warning: static property 'append' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
 17 |     public enum FILEMode {
    |                 `- note: consider making enum 'FILEMode' conform to the 'Sendable' protocol
 18 |         public init(_ rawValue: String) {
 19 |             self = .other(rawValue)
    :
 23 |         static public let both = Self("r+")
 24 |         static public let write = Self("w")
 25 |         static public let append =  Self("a")
    |                           |- warning: static property 'append' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'append' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 26 |         static public let new = Self("wx")
 27 |
/host/spi-builder-workspace/Sources/Popen/Fopen.swift:26:27: warning: static property 'new' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
 17 |     public enum FILEMode {
    |                 `- note: consider making enum 'FILEMode' conform to the 'Sendable' protocol
 18 |         public init(_ rawValue: String) {
 19 |             self = .other(rawValue)
    :
 24 |         static public let write = Self("w")
 25 |         static public let append =  Self("a")
 26 |         static public let new = Self("wx")
    |                           |- warning: static property 'new' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'new' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 27 |
 28 |         case other(_ mode: String)
/host/spi-builder-workspace/Sources/Popen/Fopen.swift:54:16: warning: static property 'STDIN' is not concurrency-safe because non-'Sendable' type 'Fopen' may have shared mutable state; this is an error in the Swift 6 language mode
 14 | import Foundation
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
    |            `- note: class 'Fopen' does not conform to the 'Sendable' protocol
 17 |     public enum FILEMode {
 18 |         public init(_ rawValue: String) {
    :
 52 |     }
 53 |
 54 |     static let STDIN = Fopen(stream: stdin)!
    |                |- warning: static property 'STDIN' is not concurrency-safe because non-'Sendable' type 'Fopen' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'STDIN' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 55 |     static let STDOUT = Fopen(stream: stdout)!
 56 |     static let STDERR = Fopen(stream: stderr)!
/host/spi-builder-workspace/Sources/Popen/Fopen.swift:54:38: warning: reference to var 'stdin' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 52 |     }
 53 |
 54 |     static let STDIN = Fopen(stream: stdin)!
    |                                      `- warning: reference to var 'stdin' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 55 |     static let STDOUT = Fopen(stream: stdout)!
 56 |     static let STDERR = Fopen(stream: stderr)!
/usr/include/stdio.h:143:14: note: var declared here
141 |
142 | /* Standard streams.  */
143 | extern FILE *stdin;		/* Standard input stream.  */
    |              `- note: var declared here
144 | extern FILE *stdout;		/* Standard output stream.  */
145 | extern FILE *stderr;		/* Standard error output stream.  */
/host/spi-builder-workspace/Sources/Popen/Fopen.swift:55:16: warning: static property 'STDOUT' is not concurrency-safe because non-'Sendable' type 'Fopen' may have shared mutable state; this is an error in the Swift 6 language mode
 14 | import Foundation
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
    |            `- note: class 'Fopen' does not conform to the 'Sendable' protocol
 17 |     public enum FILEMode {
 18 |         public init(_ rawValue: String) {
    :
 53 |
 54 |     static let STDIN = Fopen(stream: stdin)!
 55 |     static let STDOUT = Fopen(stream: stdout)!
    |                |- warning: static property 'STDOUT' is not concurrency-safe because non-'Sendable' type 'Fopen' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'STDOUT' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 56 |     static let STDERR = Fopen(stream: stderr)!
 57 |
/host/spi-builder-workspace/Sources/Popen/Fopen.swift:55:39: warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 53 |
 54 |     static let STDIN = Fopen(stream: stdin)!
 55 |     static let STDOUT = Fopen(stream: stdout)!
    |                                       `- warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 56 |     static let STDERR = Fopen(stream: stderr)!
 57 |
/usr/include/stdio.h:144:14: note: var declared here
142 | /* Standard streams.  */
143 | extern FILE *stdin;		/* Standard input stream.  */
144 | extern FILE *stdout;		/* Standard output stream.  */
    |              `- note: var declared here
145 | extern FILE *stderr;		/* Standard error output stream.  */
146 | /* C89/C99 say they're macros.  Make them happy.  */
/host/spi-builder-workspace/Sources/Popen/Fopen.swift:56:16: warning: static property 'STDERR' is not concurrency-safe because non-'Sendable' type 'Fopen' may have shared mutable state; this is an error in the Swift 6 language mode
 14 | import Foundation
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
    |            `- note: class 'Fopen' does not conform to the 'Sendable' protocol
 17 |     public enum FILEMode {
 18 |         public init(_ rawValue: String) {
    :
 54 |     static let STDIN = Fopen(stream: stdin)!
 55 |     static let STDOUT = Fopen(stream: stdout)!
 56 |     static let STDERR = Fopen(stream: stderr)!
    |                |- warning: static property 'STDERR' is not concurrency-safe because non-'Sendable' type 'Fopen' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'STDERR' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 57 |
 58 |     open var fileStream: UnsafeMutablePointer<FILE>
/host/spi-builder-workspace/Sources/Popen/Fopen.swift:56:39: warning: reference to var 'stderr' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 54 |     static let STDIN = Fopen(stream: stdin)!
 55 |     static let STDOUT = Fopen(stream: stdout)!
 56 |     static let STDERR = Fopen(stream: stderr)!
    |                                       `- warning: reference to var 'stderr' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 57 |
 58 |     open var fileStream: UnsafeMutablePointer<FILE>
/usr/include/stdio.h:145:14: note: var declared here
143 | extern FILE *stdin;		/* Standard input stream.  */
144 | extern FILE *stdout;		/* Standard output stream.  */
145 | extern FILE *stderr;		/* Standard error output stream.  */
    |              `- note: var declared here
146 | /* C89/C99 say they're macros.  Make them happy.  */
147 | #define stdin stdin
/host/spi-builder-workspace/Sources/Popen/Popen.swift:32:23: warning: static property 'openFILEStreams' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 30 |
 31 | open class Popen: FILEStream, Sequence, IteratorProtocol {
 32 |     public static var openFILEStreams = 0, initialLineBufferSize = 10_000
    |                       |- warning: static property 'openFILEStreams' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'openFILEStreams' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'openFILEStreams' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 33 |     public static var shellCommand = "/bin/bash"
 34 |
/host/spi-builder-workspace/Sources/Popen/Popen.swift:32:44: warning: static property 'initialLineBufferSize' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 30 |
 31 | open class Popen: FILEStream, Sequence, IteratorProtocol {
 32 |     public static var openFILEStreams = 0, initialLineBufferSize = 10_000
    |                                            |- warning: static property 'initialLineBufferSize' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                                            |- note: convert 'initialLineBufferSize' to a 'let' constant to make 'Sendable' shared state immutable
    |                                            |- note: add '@MainActor' to make static property 'initialLineBufferSize' part of global actor 'MainActor'
    |                                            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 33 |     public static var shellCommand = "/bin/bash"
 34 |
/host/spi-builder-workspace/Sources/Popen/Popen.swift:33:23: warning: static property 'shellCommand' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 31 | open class Popen: FILEStream, Sequence, IteratorProtocol {
 32 |     public static var openFILEStreams = 0, initialLineBufferSize = 10_000
 33 |     public static var shellCommand = "/bin/bash"
    |                       |- warning: static property 'shellCommand' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'shellCommand' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'shellCommand' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 34 |
 35 |     /// Execute a shell command
[8/17] Compiling Popen Fopen.swift
/host/spi-builder-workspace/Sources/Popen/Fopen.swift:22:27: warning: static property 'read' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
 17 |     public enum FILEMode {
    |                 `- note: consider making enum 'FILEMode' conform to the 'Sendable' protocol
 18 |         public init(_ rawValue: String) {
 19 |             self = .other(rawValue)
 20 |         }
 21 |
 22 |         static public let read = Self("r")
    |                           |- warning: static property 'read' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'read' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 23 |         static public let both = Self("r+")
 24 |         static public let write = Self("w")
/host/spi-builder-workspace/Sources/Popen/Fopen.swift:23:27: warning: static property 'both' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
 17 |     public enum FILEMode {
    |                 `- note: consider making enum 'FILEMode' conform to the 'Sendable' protocol
 18 |         public init(_ rawValue: String) {
 19 |             self = .other(rawValue)
    :
 21 |
 22 |         static public let read = Self("r")
 23 |         static public let both = Self("r+")
    |                           |- warning: static property 'both' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'both' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 24 |         static public let write = Self("w")
 25 |         static public let append =  Self("a")
/host/spi-builder-workspace/Sources/Popen/Fopen.swift:24:27: warning: static property 'write' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
 17 |     public enum FILEMode {
    |                 `- note: consider making enum 'FILEMode' conform to the 'Sendable' protocol
 18 |         public init(_ rawValue: String) {
 19 |             self = .other(rawValue)
    :
 22 |         static public let read = Self("r")
 23 |         static public let both = Self("r+")
 24 |         static public let write = Self("w")
    |                           |- warning: static property 'write' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'write' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 25 |         static public let append =  Self("a")
 26 |         static public let new = Self("wx")
/host/spi-builder-workspace/Sources/Popen/Fopen.swift:25:27: warning: static property 'append' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
 17 |     public enum FILEMode {
    |                 `- note: consider making enum 'FILEMode' conform to the 'Sendable' protocol
 18 |         public init(_ rawValue: String) {
 19 |             self = .other(rawValue)
    :
 23 |         static public let both = Self("r+")
 24 |         static public let write = Self("w")
 25 |         static public let append =  Self("a")
    |                           |- warning: static property 'append' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'append' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 26 |         static public let new = Self("wx")
 27 |
/host/spi-builder-workspace/Sources/Popen/Fopen.swift:26:27: warning: static property 'new' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
 17 |     public enum FILEMode {
    |                 `- note: consider making enum 'FILEMode' conform to the 'Sendable' protocol
 18 |         public init(_ rawValue: String) {
 19 |             self = .other(rawValue)
    :
 24 |         static public let write = Self("w")
 25 |         static public let append =  Self("a")
 26 |         static public let new = Self("wx")
    |                           |- warning: static property 'new' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'new' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 27 |
 28 |         case other(_ mode: String)
/host/spi-builder-workspace/Sources/Popen/Fopen.swift:54:16: warning: static property 'STDIN' is not concurrency-safe because non-'Sendable' type 'Fopen' may have shared mutable state; this is an error in the Swift 6 language mode
 14 | import Foundation
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
    |            `- note: class 'Fopen' does not conform to the 'Sendable' protocol
 17 |     public enum FILEMode {
 18 |         public init(_ rawValue: String) {
    :
 52 |     }
 53 |
 54 |     static let STDIN = Fopen(stream: stdin)!
    |                |- warning: static property 'STDIN' is not concurrency-safe because non-'Sendable' type 'Fopen' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'STDIN' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 55 |     static let STDOUT = Fopen(stream: stdout)!
 56 |     static let STDERR = Fopen(stream: stderr)!
/host/spi-builder-workspace/Sources/Popen/Fopen.swift:54:38: warning: reference to var 'stdin' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 52 |     }
 53 |
 54 |     static let STDIN = Fopen(stream: stdin)!
    |                                      `- warning: reference to var 'stdin' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 55 |     static let STDOUT = Fopen(stream: stdout)!
 56 |     static let STDERR = Fopen(stream: stderr)!
/usr/include/stdio.h:143:14: note: var declared here
141 |
142 | /* Standard streams.  */
143 | extern FILE *stdin;		/* Standard input stream.  */
    |              `- note: var declared here
144 | extern FILE *stdout;		/* Standard output stream.  */
145 | extern FILE *stderr;		/* Standard error output stream.  */
/host/spi-builder-workspace/Sources/Popen/Fopen.swift:55:16: warning: static property 'STDOUT' is not concurrency-safe because non-'Sendable' type 'Fopen' may have shared mutable state; this is an error in the Swift 6 language mode
 14 | import Foundation
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
    |            `- note: class 'Fopen' does not conform to the 'Sendable' protocol
 17 |     public enum FILEMode {
 18 |         public init(_ rawValue: String) {
    :
 53 |
 54 |     static let STDIN = Fopen(stream: stdin)!
 55 |     static let STDOUT = Fopen(stream: stdout)!
    |                |- warning: static property 'STDOUT' is not concurrency-safe because non-'Sendable' type 'Fopen' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'STDOUT' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 56 |     static let STDERR = Fopen(stream: stderr)!
 57 |
/host/spi-builder-workspace/Sources/Popen/Fopen.swift:55:39: warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 53 |
 54 |     static let STDIN = Fopen(stream: stdin)!
 55 |     static let STDOUT = Fopen(stream: stdout)!
    |                                       `- warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 56 |     static let STDERR = Fopen(stream: stderr)!
 57 |
/usr/include/stdio.h:144:14: note: var declared here
142 | /* Standard streams.  */
143 | extern FILE *stdin;		/* Standard input stream.  */
144 | extern FILE *stdout;		/* Standard output stream.  */
    |              `- note: var declared here
145 | extern FILE *stderr;		/* Standard error output stream.  */
146 | /* C89/C99 say they're macros.  Make them happy.  */
/host/spi-builder-workspace/Sources/Popen/Fopen.swift:56:16: warning: static property 'STDERR' is not concurrency-safe because non-'Sendable' type 'Fopen' may have shared mutable state; this is an error in the Swift 6 language mode
 14 | import Foundation
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
    |            `- note: class 'Fopen' does not conform to the 'Sendable' protocol
 17 |     public enum FILEMode {
 18 |         public init(_ rawValue: String) {
    :
 54 |     static let STDIN = Fopen(stream: stdin)!
 55 |     static let STDOUT = Fopen(stream: stdout)!
 56 |     static let STDERR = Fopen(stream: stderr)!
    |                |- warning: static property 'STDERR' is not concurrency-safe because non-'Sendable' type 'Fopen' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'STDERR' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 57 |
 58 |     open var fileStream: UnsafeMutablePointer<FILE>
/host/spi-builder-workspace/Sources/Popen/Fopen.swift:56:39: warning: reference to var 'stderr' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 54 |     static let STDIN = Fopen(stream: stdin)!
 55 |     static let STDOUT = Fopen(stream: stdout)!
 56 |     static let STDERR = Fopen(stream: stderr)!
    |                                       `- warning: reference to var 'stderr' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 57 |
 58 |     open var fileStream: UnsafeMutablePointer<FILE>
/usr/include/stdio.h:145:14: note: var declared here
143 | extern FILE *stdin;		/* Standard input stream.  */
144 | extern FILE *stdout;		/* Standard output stream.  */
145 | extern FILE *stderr;		/* Standard error output stream.  */
    |              `- note: var declared here
146 | /* C89/C99 say they're macros.  Make them happy.  */
147 | #define stdin stdin
[9/17] Compiling Popen Glob.swift
[10/17] Compiling Popen Popen.swift
/host/spi-builder-workspace/Sources/Popen/Popen.swift:32:23: warning: static property 'openFILEStreams' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 30 |
 31 | open class Popen: FILEStream, Sequence, IteratorProtocol {
 32 |     public static var openFILEStreams = 0, initialLineBufferSize = 10_000
    |                       |- warning: static property 'openFILEStreams' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'openFILEStreams' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'openFILEStreams' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 33 |     public static var shellCommand = "/bin/bash"
 34 |
/host/spi-builder-workspace/Sources/Popen/Popen.swift:32:44: warning: static property 'initialLineBufferSize' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 30 |
 31 | open class Popen: FILEStream, Sequence, IteratorProtocol {
 32 |     public static var openFILEStreams = 0, initialLineBufferSize = 10_000
    |                                            |- warning: static property 'initialLineBufferSize' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                                            |- note: convert 'initialLineBufferSize' to a 'let' constant to make 'Sendable' shared state immutable
    |                                            |- note: add '@MainActor' to make static property 'initialLineBufferSize' part of global actor 'MainActor'
    |                                            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 33 |     public static var shellCommand = "/bin/bash"
 34 |
/host/spi-builder-workspace/Sources/Popen/Popen.swift:33:23: warning: static property 'shellCommand' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 31 | open class Popen: FILEStream, Sequence, IteratorProtocol {
 32 |     public static var openFILEStreams = 0, initialLineBufferSize = 10_000
 33 |     public static var shellCommand = "/bin/bash"
    |                       |- warning: static property 'shellCommand' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'shellCommand' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'shellCommand' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 34 |
 35 |     /// Execute a shell command
[11/17] Compiling PopenD Glob.swift
[12/17] Compiling Popen Fstat.swift
[13/18] Compiling PopenD Popen.swift
/host/spi-builder-workspace/Sources/PopenD/Popen.swift:32:23: warning: static property 'openFILEStreams' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 30 |
 31 | open class Popen: FILEStream, Sequence, IteratorProtocol {
 32 |     public static var openFILEStreams = 0, initialLineBufferSize = 10_000
    |                       |- warning: static property 'openFILEStreams' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'openFILEStreams' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'openFILEStreams' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 33 |     public static var shellCommand = "/bin/bash"
 34 |
/host/spi-builder-workspace/Sources/PopenD/Popen.swift:32:44: warning: static property 'initialLineBufferSize' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 30 |
 31 | open class Popen: FILEStream, Sequence, IteratorProtocol {
 32 |     public static var openFILEStreams = 0, initialLineBufferSize = 10_000
    |                                            |- warning: static property 'initialLineBufferSize' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                                            |- note: convert 'initialLineBufferSize' to a 'let' constant to make 'Sendable' shared state immutable
    |                                            |- note: add '@MainActor' to make static property 'initialLineBufferSize' part of global actor 'MainActor'
    |                                            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 33 |     public static var shellCommand = "/bin/bash"
 34 |
/host/spi-builder-workspace/Sources/PopenD/Popen.swift:33:23: warning: static property 'shellCommand' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 31 | open class Popen: FILEStream, Sequence, IteratorProtocol {
 32 |     public static var openFILEStreams = 0, initialLineBufferSize = 10_000
 33 |     public static var shellCommand = "/bin/bash"
    |                       |- warning: static property 'shellCommand' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'shellCommand' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'shellCommand' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 34 |
 35 |     /// Execute a shell command
[14/18] Compiling PopenD Stream.swift
[15/18] Compiling PopenD Fstat.swift
[16/18] Emitting module PopenD
/host/spi-builder-workspace/Sources/PopenD/Fopen.swift:22:27: warning: static property 'read' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
 17 |     public enum FILEMode {
    |                 `- note: consider making enum 'FILEMode' conform to the 'Sendable' protocol
 18 |         public init(_ rawValue: String) {
 19 |             self = .other(rawValue)
 20 |         }
 21 |
 22 |         static public let read = Self("r")
    |                           |- warning: static property 'read' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'read' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 23 |         static public let both = Self("r+")
 24 |         static public let write = Self("w")
/host/spi-builder-workspace/Sources/PopenD/Fopen.swift:23:27: warning: static property 'both' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
 17 |     public enum FILEMode {
    |                 `- note: consider making enum 'FILEMode' conform to the 'Sendable' protocol
 18 |         public init(_ rawValue: String) {
 19 |             self = .other(rawValue)
    :
 21 |
 22 |         static public let read = Self("r")
 23 |         static public let both = Self("r+")
    |                           |- warning: static property 'both' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'both' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 24 |         static public let write = Self("w")
 25 |         static public let append =  Self("a")
/host/spi-builder-workspace/Sources/PopenD/Fopen.swift:24:27: warning: static property 'write' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
 17 |     public enum FILEMode {
    |                 `- note: consider making enum 'FILEMode' conform to the 'Sendable' protocol
 18 |         public init(_ rawValue: String) {
 19 |             self = .other(rawValue)
    :
 22 |         static public let read = Self("r")
 23 |         static public let both = Self("r+")
 24 |         static public let write = Self("w")
    |                           |- warning: static property 'write' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'write' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 25 |         static public let append =  Self("a")
 26 |         static public let new = Self("wx")
/host/spi-builder-workspace/Sources/PopenD/Fopen.swift:25:27: warning: static property 'append' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
 17 |     public enum FILEMode {
    |                 `- note: consider making enum 'FILEMode' conform to the 'Sendable' protocol
 18 |         public init(_ rawValue: String) {
 19 |             self = .other(rawValue)
    :
 23 |         static public let both = Self("r+")
 24 |         static public let write = Self("w")
 25 |         static public let append =  Self("a")
    |                           |- warning: static property 'append' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'append' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 26 |         static public let new = Self("wx")
 27 |
/host/spi-builder-workspace/Sources/PopenD/Fopen.swift:26:27: warning: static property 'new' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
 17 |     public enum FILEMode {
    |                 `- note: consider making enum 'FILEMode' conform to the 'Sendable' protocol
 18 |         public init(_ rawValue: String) {
 19 |             self = .other(rawValue)
    :
 24 |         static public let write = Self("w")
 25 |         static public let append =  Self("a")
 26 |         static public let new = Self("wx")
    |                           |- warning: static property 'new' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'new' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 27 |
 28 |         case other(_ mode: String)
/host/spi-builder-workspace/Sources/PopenD/Fopen.swift:54:16: warning: static property 'STDIN' is not concurrency-safe because non-'Sendable' type 'Fopen' may have shared mutable state; this is an error in the Swift 6 language mode
 14 | import Foundation
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
    |            `- note: class 'Fopen' does not conform to the 'Sendable' protocol
 17 |     public enum FILEMode {
 18 |         public init(_ rawValue: String) {
    :
 52 |     }
 53 |
 54 |     static let STDIN = Fopen(stream: stdin)!
    |                |- warning: static property 'STDIN' is not concurrency-safe because non-'Sendable' type 'Fopen' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'STDIN' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 55 |     static let STDOUT = Fopen(stream: stdout)!
 56 |     static let STDERR = Fopen(stream: stderr)!
/host/spi-builder-workspace/Sources/PopenD/Fopen.swift:54:38: warning: reference to var 'stdin' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 52 |     }
 53 |
 54 |     static let STDIN = Fopen(stream: stdin)!
    |                                      `- warning: reference to var 'stdin' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 55 |     static let STDOUT = Fopen(stream: stdout)!
 56 |     static let STDERR = Fopen(stream: stderr)!
/usr/include/stdio.h:143:14: note: var declared here
141 |
142 | /* Standard streams.  */
143 | extern FILE *stdin;		/* Standard input stream.  */
    |              `- note: var declared here
144 | extern FILE *stdout;		/* Standard output stream.  */
145 | extern FILE *stderr;		/* Standard error output stream.  */
/host/spi-builder-workspace/Sources/PopenD/Fopen.swift:55:16: warning: static property 'STDOUT' is not concurrency-safe because non-'Sendable' type 'Fopen' may have shared mutable state; this is an error in the Swift 6 language mode
 14 | import Foundation
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
    |            `- note: class 'Fopen' does not conform to the 'Sendable' protocol
 17 |     public enum FILEMode {
 18 |         public init(_ rawValue: String) {
    :
 53 |
 54 |     static let STDIN = Fopen(stream: stdin)!
 55 |     static let STDOUT = Fopen(stream: stdout)!
    |                |- warning: static property 'STDOUT' is not concurrency-safe because non-'Sendable' type 'Fopen' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'STDOUT' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 56 |     static let STDERR = Fopen(stream: stderr)!
 57 |
/host/spi-builder-workspace/Sources/PopenD/Fopen.swift:55:39: warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 53 |
 54 |     static let STDIN = Fopen(stream: stdin)!
 55 |     static let STDOUT = Fopen(stream: stdout)!
    |                                       `- warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 56 |     static let STDERR = Fopen(stream: stderr)!
 57 |
/usr/include/stdio.h:144:14: note: var declared here
142 | /* Standard streams.  */
143 | extern FILE *stdin;		/* Standard input stream.  */
144 | extern FILE *stdout;		/* Standard output stream.  */
    |              `- note: var declared here
145 | extern FILE *stderr;		/* Standard error output stream.  */
146 | /* C89/C99 say they're macros.  Make them happy.  */
/host/spi-builder-workspace/Sources/PopenD/Fopen.swift:56:16: warning: static property 'STDERR' is not concurrency-safe because non-'Sendable' type 'Fopen' may have shared mutable state; this is an error in the Swift 6 language mode
 14 | import Foundation
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
    |            `- note: class 'Fopen' does not conform to the 'Sendable' protocol
 17 |     public enum FILEMode {
 18 |         public init(_ rawValue: String) {
    :
 54 |     static let STDIN = Fopen(stream: stdin)!
 55 |     static let STDOUT = Fopen(stream: stdout)!
 56 |     static let STDERR = Fopen(stream: stderr)!
    |                |- warning: static property 'STDERR' is not concurrency-safe because non-'Sendable' type 'Fopen' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'STDERR' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 57 |
 58 |     open var fileStream: UnsafeMutablePointer<FILE>
/host/spi-builder-workspace/Sources/PopenD/Fopen.swift:56:39: warning: reference to var 'stderr' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 54 |     static let STDIN = Fopen(stream: stdin)!
 55 |     static let STDOUT = Fopen(stream: stdout)!
 56 |     static let STDERR = Fopen(stream: stderr)!
    |                                       `- warning: reference to var 'stderr' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 57 |
 58 |     open var fileStream: UnsafeMutablePointer<FILE>
/usr/include/stdio.h:145:14: note: var declared here
143 | extern FILE *stdin;		/* Standard input stream.  */
144 | extern FILE *stdout;		/* Standard output stream.  */
145 | extern FILE *stderr;		/* Standard error output stream.  */
    |              `- note: var declared here
146 | /* C89/C99 say they're macros.  Make them happy.  */
147 | #define stdin stdin
/host/spi-builder-workspace/Sources/PopenD/Popen.swift:32:23: warning: static property 'openFILEStreams' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 30 |
 31 | open class Popen: FILEStream, Sequence, IteratorProtocol {
 32 |     public static var openFILEStreams = 0, initialLineBufferSize = 10_000
    |                       |- warning: static property 'openFILEStreams' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'openFILEStreams' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'openFILEStreams' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 33 |     public static var shellCommand = "/bin/bash"
 34 |
/host/spi-builder-workspace/Sources/PopenD/Popen.swift:32:44: warning: static property 'initialLineBufferSize' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 30 |
 31 | open class Popen: FILEStream, Sequence, IteratorProtocol {
 32 |     public static var openFILEStreams = 0, initialLineBufferSize = 10_000
    |                                            |- warning: static property 'initialLineBufferSize' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                                            |- note: convert 'initialLineBufferSize' to a 'let' constant to make 'Sendable' shared state immutable
    |                                            |- note: add '@MainActor' to make static property 'initialLineBufferSize' part of global actor 'MainActor'
    |                                            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 33 |     public static var shellCommand = "/bin/bash"
 34 |
/host/spi-builder-workspace/Sources/PopenD/Popen.swift:33:23: warning: static property 'shellCommand' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 31 | open class Popen: FILEStream, Sequence, IteratorProtocol {
 32 |     public static var openFILEStreams = 0, initialLineBufferSize = 10_000
 33 |     public static var shellCommand = "/bin/bash"
    |                       |- warning: static property 'shellCommand' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'shellCommand' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'shellCommand' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 34 |
 35 |     /// Execute a shell command
[17/18] Compiling PopenD Fopen.swift
/host/spi-builder-workspace/Sources/PopenD/Fopen.swift:22:27: warning: static property 'read' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
 17 |     public enum FILEMode {
    |                 `- note: consider making enum 'FILEMode' conform to the 'Sendable' protocol
 18 |         public init(_ rawValue: String) {
 19 |             self = .other(rawValue)
 20 |         }
 21 |
 22 |         static public let read = Self("r")
    |                           |- warning: static property 'read' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'read' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 23 |         static public let both = Self("r+")
 24 |         static public let write = Self("w")
/host/spi-builder-workspace/Sources/PopenD/Fopen.swift:23:27: warning: static property 'both' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
 17 |     public enum FILEMode {
    |                 `- note: consider making enum 'FILEMode' conform to the 'Sendable' protocol
 18 |         public init(_ rawValue: String) {
 19 |             self = .other(rawValue)
    :
 21 |
 22 |         static public let read = Self("r")
 23 |         static public let both = Self("r+")
    |                           |- warning: static property 'both' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'both' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 24 |         static public let write = Self("w")
 25 |         static public let append =  Self("a")
/host/spi-builder-workspace/Sources/PopenD/Fopen.swift:24:27: warning: static property 'write' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
 17 |     public enum FILEMode {
    |                 `- note: consider making enum 'FILEMode' conform to the 'Sendable' protocol
 18 |         public init(_ rawValue: String) {
 19 |             self = .other(rawValue)
    :
 22 |         static public let read = Self("r")
 23 |         static public let both = Self("r+")
 24 |         static public let write = Self("w")
    |                           |- warning: static property 'write' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'write' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 25 |         static public let append =  Self("a")
 26 |         static public let new = Self("wx")
/host/spi-builder-workspace/Sources/PopenD/Fopen.swift:25:27: warning: static property 'append' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
 17 |     public enum FILEMode {
    |                 `- note: consider making enum 'FILEMode' conform to the 'Sendable' protocol
 18 |         public init(_ rawValue: String) {
 19 |             self = .other(rawValue)
    :
 23 |         static public let both = Self("r+")
 24 |         static public let write = Self("w")
 25 |         static public let append =  Self("a")
    |                           |- warning: static property 'append' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'append' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 26 |         static public let new = Self("wx")
 27 |
/host/spi-builder-workspace/Sources/PopenD/Fopen.swift:26:27: warning: static property 'new' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
 17 |     public enum FILEMode {
    |                 `- note: consider making enum 'FILEMode' conform to the 'Sendable' protocol
 18 |         public init(_ rawValue: String) {
 19 |             self = .other(rawValue)
    :
 24 |         static public let write = Self("w")
 25 |         static public let append =  Self("a")
 26 |         static public let new = Self("wx")
    |                           |- warning: static property 'new' is not concurrency-safe because non-'Sendable' type 'Fopen.FILEMode' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: add '@MainActor' to make static property 'new' part of global actor 'MainActor'
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 27 |
 28 |         case other(_ mode: String)
/host/spi-builder-workspace/Sources/PopenD/Fopen.swift:54:16: warning: static property 'STDIN' is not concurrency-safe because non-'Sendable' type 'Fopen' may have shared mutable state; this is an error in the Swift 6 language mode
 14 | import Foundation
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
    |            `- note: class 'Fopen' does not conform to the 'Sendable' protocol
 17 |     public enum FILEMode {
 18 |         public init(_ rawValue: String) {
    :
 52 |     }
 53 |
 54 |     static let STDIN = Fopen(stream: stdin)!
    |                |- warning: static property 'STDIN' is not concurrency-safe because non-'Sendable' type 'Fopen' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'STDIN' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 55 |     static let STDOUT = Fopen(stream: stdout)!
 56 |     static let STDERR = Fopen(stream: stderr)!
/host/spi-builder-workspace/Sources/PopenD/Fopen.swift:54:38: warning: reference to var 'stdin' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 52 |     }
 53 |
 54 |     static let STDIN = Fopen(stream: stdin)!
    |                                      `- warning: reference to var 'stdin' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 55 |     static let STDOUT = Fopen(stream: stdout)!
 56 |     static let STDERR = Fopen(stream: stderr)!
/usr/include/stdio.h:143:14: note: var declared here
141 |
142 | /* Standard streams.  */
143 | extern FILE *stdin;		/* Standard input stream.  */
    |              `- note: var declared here
144 | extern FILE *stdout;		/* Standard output stream.  */
145 | extern FILE *stderr;		/* Standard error output stream.  */
/host/spi-builder-workspace/Sources/PopenD/Fopen.swift:55:16: warning: static property 'STDOUT' is not concurrency-safe because non-'Sendable' type 'Fopen' may have shared mutable state; this is an error in the Swift 6 language mode
 14 | import Foundation
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
    |            `- note: class 'Fopen' does not conform to the 'Sendable' protocol
 17 |     public enum FILEMode {
 18 |         public init(_ rawValue: String) {
    :
 53 |
 54 |     static let STDIN = Fopen(stream: stdin)!
 55 |     static let STDOUT = Fopen(stream: stdout)!
    |                |- warning: static property 'STDOUT' is not concurrency-safe because non-'Sendable' type 'Fopen' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'STDOUT' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 56 |     static let STDERR = Fopen(stream: stderr)!
 57 |
/host/spi-builder-workspace/Sources/PopenD/Fopen.swift:55:39: warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 53 |
 54 |     static let STDIN = Fopen(stream: stdin)!
 55 |     static let STDOUT = Fopen(stream: stdout)!
    |                                       `- warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 56 |     static let STDERR = Fopen(stream: stderr)!
 57 |
/usr/include/stdio.h:144:14: note: var declared here
142 | /* Standard streams.  */
143 | extern FILE *stdin;		/* Standard input stream.  */
144 | extern FILE *stdout;		/* Standard output stream.  */
    |              `- note: var declared here
145 | extern FILE *stderr;		/* Standard error output stream.  */
146 | /* C89/C99 say they're macros.  Make them happy.  */
/host/spi-builder-workspace/Sources/PopenD/Fopen.swift:56:16: warning: static property 'STDERR' is not concurrency-safe because non-'Sendable' type 'Fopen' may have shared mutable state; this is an error in the Swift 6 language mode
 14 | import Foundation
 15 |
 16 | open class Fopen: FILEStream, Sequence, IteratorProtocol {
    |            `- note: class 'Fopen' does not conform to the 'Sendable' protocol
 17 |     public enum FILEMode {
 18 |         public init(_ rawValue: String) {
    :
 54 |     static let STDIN = Fopen(stream: stdin)!
 55 |     static let STDOUT = Fopen(stream: stdout)!
 56 |     static let STDERR = Fopen(stream: stderr)!
    |                |- warning: static property 'STDERR' is not concurrency-safe because non-'Sendable' type 'Fopen' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'STDERR' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 57 |
 58 |     open var fileStream: UnsafeMutablePointer<FILE>
/host/spi-builder-workspace/Sources/PopenD/Fopen.swift:56:39: warning: reference to var 'stderr' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 54 |     static let STDIN = Fopen(stream: stdin)!
 55 |     static let STDOUT = Fopen(stream: stdout)!
 56 |     static let STDERR = Fopen(stream: stderr)!
    |                                       `- warning: reference to var 'stderr' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 57 |
 58 |     open var fileStream: UnsafeMutablePointer<FILE>
/usr/include/stdio.h:145:14: note: var declared here
143 | extern FILE *stdin;		/* Standard input stream.  */
144 | extern FILE *stdout;		/* Standard output stream.  */
145 | extern FILE *stderr;		/* Standard error output stream.  */
    |              `- note: var declared here
146 | /* C89/C99 say they're macros.  Make them happy.  */
147 | #define stdin stdin
Build complete! (17.51s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Popen",
  "name" : "Popen",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Popen",
      "targets" : [
        "Popen"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "PopenD",
      "targets" : [
        "PopenD"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "PopenTests",
      "module_type" : "SwiftTarget",
      "name" : "PopenTests",
      "path" : "Tests/PopenTests",
      "sources" : [
        "PopenTests.swift"
      ],
      "target_dependencies" : [
        "Popen"
      ],
      "type" : "test"
    },
    {
      "c99name" : "PopenD",
      "module_type" : "SwiftTarget",
      "name" : "PopenD",
      "path" : "Sources/PopenD",
      "product_memberships" : [
        "PopenD"
      ],
      "sources" : [
        "Fopen.swift",
        "Fstat.swift",
        "Glob.swift",
        "Popen.swift",
        "Stream.swift",
        "Topen.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Popen",
      "module_type" : "SwiftTarget",
      "name" : "Popen",
      "path" : "Sources/Popen",
      "product_memberships" : [
        "Popen"
      ],
      "sources" : [
        "Fopen.swift",
        "Fstat.swift",
        "Glob.swift",
        "Popen.swift",
        "Stream.swift",
        "Topen.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:2b296aa7156f49efc57252cdf9ed4bb21d0f92fc98d88800e255491ba2db3116
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Done.