Build Information
Failed to build Alpaca, reference main (af1830), with Swift 6.3 for Wasm on 11 Apr 2026 18:31:35 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/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
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/AndrewBarba/alpaca-swift.git
Reference: main
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/AndrewBarba/alpaca-swift
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at af18301 Configure timeout interval on alpaca client
Cloned https://github.com/AndrewBarba/alpaca-swift.git
Revision (git rev-parse @):
af1830136d2636c7e67eaac3f67d89b263afdfa6
SUCCESS checkout https://github.com/AndrewBarba/alpaca-swift.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/AndrewBarba/alpaca-swift.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$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...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/17] Compiling Alpaca AlpacaDataClient.swift
<unknown>:0: error: invalid value '5.5' in '-swift-version 5.5'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[4/17] Compiling Alpaca Common.swift
<unknown>:0: error: invalid value '5.5' in '-swift-version 5.5'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[5/19] Compiling Alpaca AlpacaClientProtocol.swift
<unknown>:0: error: invalid value '5.5' in '-swift-version 5.5'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
/host/spi-builder-workspace/Sources/Alpaca/AlpacaClientProtocol.swift:102:23: error: cannot find 'URLRequest' in scope
100 | }
101 |
102 | var request = URLRequest(url: url)
| `- error: cannot find 'URLRequest' in scope
103 | request.httpMethod = method.rawValue
104 | request.setValue(environment.key, forHTTPHeaderField: "APCA-API-KEY-ID")
/host/spi-builder-workspace/Sources/Alpaca/AlpacaClientProtocol.swift:111:46: error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
109 | request.timeoutInterval = timeoutInterval
110 |
111 | let (data, _) = try await URLSession.shared.data(for: request)
| `- error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
112 |
113 | return try Utils.jsonDecoder.decode(T.self, from: data)
[6/19] Compiling Alpaca AlpacaDataClient+Bars.swift
<unknown>:0: error: invalid value '5.5' in '-swift-version 5.5'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
/host/spi-builder-workspace/Sources/Alpaca/AlpacaClientProtocol.swift:102:23: error: cannot find 'URLRequest' in scope
100 | }
101 |
102 | var request = URLRequest(url: url)
| `- error: cannot find 'URLRequest' in scope
103 | request.httpMethod = method.rawValue
104 | request.setValue(environment.key, forHTTPHeaderField: "APCA-API-KEY-ID")
/host/spi-builder-workspace/Sources/Alpaca/AlpacaClientProtocol.swift:111:46: error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
109 | request.timeoutInterval = timeoutInterval
110 |
111 | let (data, _) = try await URLSession.shared.data(for: request)
| `- error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
112 |
113 | return try Utils.jsonDecoder.decode(T.self, from: data)
[7/19] Compiling Alpaca AlpacaClient+PortfolioHistory.swift
<unknown>:0: error: invalid value '5.5' in '-swift-version 5.5'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[8/19] Compiling Alpaca AlpacaClient+Positions.swift
<unknown>:0: error: invalid value '5.5' in '-swift-version 5.5'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
error: emit-module command failed with exit code 1 (use -v to see invocation)
[9/19] Emitting module Alpaca
<unknown>:0: error: invalid value '5.5' in '-swift-version 5.5'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[10/19] Compiling Alpaca AlpacaClient+Account.swift
<unknown>:0: error: invalid value '5.5' in '-swift-version 5.5'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[11/19] Compiling Alpaca AlpacaClient+AccountConfigurations.swift
<unknown>:0: error: invalid value '5.5' in '-swift-version 5.5'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[12/19] Compiling Alpaca AlpacaClient+Clock.swift
<unknown>:0: error: invalid value '5.5' in '-swift-version 5.5'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[13/19] Compiling Alpaca AlpacaClient+Orders.swift
<unknown>:0: error: invalid value '5.5' in '-swift-version 5.5'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[14/19] Compiling Alpaca AlpacaClient+Watchlists.swift
<unknown>:0: error: invalid value '5.5' in '-swift-version 5.5'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[15/19] Compiling Alpaca AlpacaClient.swift
<unknown>:0: error: invalid value '5.5' in '-swift-version 5.5'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[16/19] Compiling Alpaca AlpacaClient+Assets.swift
<unknown>:0: error: invalid value '5.5' in '-swift-version 5.5'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[17/19] Compiling Alpaca AlpacaClient+Calendar.swift
<unknown>:0: error: invalid value '5.5' in '-swift-version 5.5'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[18/19] Compiling Alpaca Environment.swift
<unknown>:0: error: invalid value '5.5' in '-swift-version 5.5'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
[19/19] Compiling Alpaca Utils.swift
<unknown>:0: error: invalid value '5.5' in '-swift-version 5.5'
<unknown>:0: note: valid arguments to '-swift-version' are '4', '4.2', '5', '6'
BUILD FAILURE 6.3 wasm