Futures – Build Information – Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Failed to build Futures, reference 0.1.2 (374088), with Swift 6.2 (beta) for Wasm on 17 Jun 2025 16:33:42 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/dfunckt/swift-futures.git
Reference: 0.1.2
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/dfunckt/swift-futures
 * tag               0.1.2      -> FETCH_HEAD
HEAD is now at 374088d Revert "Simplify ReadyQueue node implementation"
Cloned https://github.com/dfunckt/swift-futures.git
Revision (git rev-parse @):
374088daeb749d19b89f81955984e2230bcbeaad
SUCCESS checkout https://github.com/dfunckt/swift-futures.git at 0.1.2
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.2
Building package at path:  $PWD
https://github.com/dfunckt/swift-futures.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.2-latest: Pulling from finestructure/spi-images
Digest: sha256:44384f43f933eaa0f42803e9ef7c3d8388c5841ccc831a15a5edf63d8c273423
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest
Building for debugging...
[0/5] Write sources
[3/5] Compiling FuturesPrivate Private.c
[4/5] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[6/22] Emitting module FuturesSync
/host/spi-builder-workspace/Sources/FuturesSync/Locking/PosixLock.swift:11:8: error: no such module 'Glibc'
 9 | import Darwin.POSIX.pthread
10 | #else
11 | import Glibc
   |        `- error: no such module 'Glibc'
12 | #endif
13 |
[7/24] Compiling FuturesSync UnfairLock.swift
/host/spi-builder-workspace/Sources/FuturesSync/Locking/PosixLock.swift:11:8: error: no such module 'Glibc'
 9 | import Darwin.POSIX.pthread
10 | #else
11 | import Glibc
   |        `- error: no such module 'Glibc'
12 | #endif
13 |
[8/24] Compiling FuturesSync Private.swift
/host/spi-builder-workspace/Sources/FuturesSync/Locking/PosixLock.swift:11:8: error: no such module 'Glibc'
 9 | import Darwin.POSIX.pthread
10 | #else
11 | import Glibc
   |        `- error: no such module 'Glibc'
12 | #endif
13 |
[9/24] Compiling FuturesSync Backoff.swift
/host/spi-builder-workspace/Sources/FuturesSync/Locking/PosixLock.swift:11:8: error: no such module 'Glibc'
 9 | import Darwin.POSIX.pthread
10 | #else
11 | import Glibc
   |        `- error: no such module 'Glibc'
12 | #endif
13 |
[10/24] Compiling FuturesSync Locking.swift
/host/spi-builder-workspace/Sources/FuturesSync/Locking/PosixLock.swift:11:8: error: no such module 'Glibc'
 9 | import Darwin.POSIX.pthread
10 | #else
11 | import Glibc
   |        `- error: no such module 'Glibc'
12 | #endif
13 |
[11/24] Compiling FuturesSync AtomicUnboundedMPSCQueue.swift
/host/spi-builder-workspace/Sources/FuturesSync/Locking/PosixLock.swift:11:8: error: no such module 'Glibc'
 9 | import Darwin.POSIX.pthread
10 | #else
11 | import Glibc
   |        `- error: no such module 'Glibc'
12 | #endif
13 |
[12/24] Compiling FuturesSync AtomicUnboundedSPSCQueue.swift
/host/spi-builder-workspace/Sources/FuturesSync/Locking/PosixLock.swift:11:8: error: no such module 'Glibc'
 9 | import Darwin.POSIX.pthread
10 | #else
11 | import Glibc
   |        `- error: no such module 'Glibc'
12 | #endif
13 |
[13/24] Compiling FuturesSync PosixLock.swift
/host/spi-builder-workspace/Sources/FuturesSync/Locking/PosixLock.swift:11:8: error: no such module 'Glibc'
 9 | import Darwin.POSIX.pthread
10 | #else
11 | import Glibc
   |        `- error: no such module 'Glibc'
12 | #endif
13 |
[14/24] Compiling FuturesSync SpinLock.swift
/host/spi-builder-workspace/Sources/FuturesSync/Locking/PosixLock.swift:11:8: error: no such module 'Glibc'
 9 | import Darwin.POSIX.pthread
10 | #else
11 | import Glibc
   |        `- error: no such module 'Glibc'
12 | #endif
13 |
[15/24] Compiling FuturesSync AtomicSPMCQueue.swift
/host/spi-builder-workspace/Sources/FuturesSync/Locking/PosixLock.swift:11:8: error: no such module 'Glibc'
 9 | import Darwin.POSIX.pthread
10 | #else
11 | import Glibc
   |        `- error: no such module 'Glibc'
12 | #endif
13 |
[16/24] Compiling FuturesSync AtomicSPSCQueue.swift
/host/spi-builder-workspace/Sources/FuturesSync/Locking/PosixLock.swift:11:8: error: no such module 'Glibc'
 9 | import Darwin.POSIX.pthread
10 | #else
11 | import Glibc
   |        `- error: no such module 'Glibc'
12 | #endif
13 |
[17/24] Compiling FuturesSync AtomicMPSCQueue.swift
/host/spi-builder-workspace/Sources/FuturesSync/Locking/PosixLock.swift:11:8: error: no such module 'Glibc'
 9 | import Darwin.POSIX.pthread
10 | #else
11 | import Glibc
   |        `- error: no such module 'Glibc'
12 | #endif
13 |
[18/24] Compiling FuturesSync AtomicQueueBuffer.swift
/host/spi-builder-workspace/Sources/FuturesSync/Locking/PosixLock.swift:11:8: error: no such module 'Glibc'
 9 | import Darwin.POSIX.pthread
10 | #else
11 | import Glibc
   |        `- error: no such module 'Glibc'
12 | #endif
13 |
[19/24] Compiling FuturesSync Atomic.swift
/host/spi-builder-workspace/Sources/FuturesSync/Locking/PosixLock.swift:11:8: error: no such module 'Glibc'
 9 | import Darwin.POSIX.pthread
10 | #else
11 | import Glibc
   |        `- error: no such module 'Glibc'
12 | #endif
13 |
[20/24] Compiling FuturesSync AtomicEnum.swift
/host/spi-builder-workspace/Sources/FuturesSync/Locking/PosixLock.swift:11:8: error: no such module 'Glibc'
 9 | import Darwin.POSIX.pthread
10 | #else
11 | import Glibc
   |        `- error: no such module 'Glibc'
12 | #endif
13 |
[21/24] Compiling FuturesSync AtomicRef.swift
/host/spi-builder-workspace/Sources/FuturesSync/Locking/PosixLock.swift:11:8: error: no such module 'Glibc'
 9 | import Darwin.POSIX.pthread
10 | #else
11 | import Glibc
   |        `- error: no such module 'Glibc'
12 | #endif
13 |
[22/24] Compiling FuturesSync AtomicValue.swift
/host/spi-builder-workspace/Sources/FuturesSync/Locking/PosixLock.swift:11:8: error: no such module 'Glibc'
 9 | import Darwin.POSIX.pthread
10 | #else
11 | import Glibc
   |        `- error: no such module 'Glibc'
12 | #endif
13 |
[23/24] Compiling FuturesSync AtomicQueue.swift
/host/spi-builder-workspace/Sources/FuturesSync/Locking/PosixLock.swift:11:8: error: no such module 'Glibc'
 9 | import Darwin.POSIX.pthread
10 | #else
11 | import Glibc
   |        `- error: no such module 'Glibc'
12 | #endif
13 |
[24/24] Compiling FuturesSync AtomicMPMCQueue.swift
/host/spi-builder-workspace/Sources/FuturesSync/Locking/PosixLock.swift:11:8: error: no such module 'Glibc'
 9 | import Darwin.POSIX.pthread
10 | #else
11 | import Glibc
   |        `- error: no such module 'Glibc'
12 | #endif
13 |
BUILD FAILURE 6.2 wasm