Swift Package IndexBuild Information
Failed to build Futures, reference 0.1.2 (374088), with Swift 6.3 for Wasm on 21 Apr 2026 06:41:51 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1Build Log
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RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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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
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Build
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Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/dfunckt/swift-futures.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d69f4e7582c319245442d62a08b2d7c7fd5a0c0c69f5d2ef11d1530cd8d3329b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest
Building for debugging...
[0/5] Write sources
[3/5] Compiling FuturesPrivate Private.c
[4/5] Write swift-version-24593BA9C3E375BF.txt
[6/22] 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 |
[7/22] 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 |
[8/24] 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 |
[9/24] 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 |
[10/24] 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 |
[11/24] 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 |
[12/24] 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 |
[13/24] 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 |
[14/24] 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 |
[15/24] 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 |
[16/24] 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 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[17/24] 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 |
[18/24] 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 |
[19/24] 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 |
[20/24] 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 |
[21/24] 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 |
[22/24] 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 |
[23/24] 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 |
[24/24] 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 |
BUILD FAILURE 6.3 wasm