Build Information
Failed to build YCalendarPicker, reference 1.0.7 (a2b2ab), with Swift 6.3 for Wasm on 14 Apr 2026 02:16:12 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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/codeandtheory/ycalendarpicker-ios.git
Reference: 1.0.7
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/codeandtheory/ycalendarpicker-ios
* tag 1.0.7 -> FETCH_HEAD
HEAD is now at a2b2abc test case updated (#24)
Cloned https://github.com/codeandtheory/ycalendarpicker-ios.git
Revision (git rev-parse @):
a2b2abcf1022403a5256454614581fcbab95460f
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/codeandtheory/ycalendarpicker-ios.git at 1.0.7
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/codeandtheory/ycalendarpicker-ios.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$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
Fetching https://github.com/yml-org/YCoreUI.git
Fetching https://github.com/yml-org/YMatterType.git
[1/1224] Fetching ycoreui
[491/2361] Fetching ycoreui, ymattertype
Fetched https://github.com/yml-org/YCoreUI.git from cache (0.37s)
[671/1137] Fetching ymattertype
Fetched https://github.com/yml-org/YMatterType.git from cache (2.04s)
Computing version for https://github.com/yml-org/YMatterType.git
Computed https://github.com/yml-org/YMatterType.git at 1.7.0 (2.77s)
Computing version for https://github.com/yml-org/YCoreUI.git
Computed https://github.com/yml-org/YCoreUI.git at 1.7.0 (0.56s)
Creating working copy for https://github.com/yml-org/YMatterType.git
Working copy of https://github.com/yml-org/YMatterType.git resolved at 1.7.0
Creating working copy for https://github.com/yml-org/YCoreUI.git
Working copy of https://github.com/yml-org/YCoreUI.git resolved at 1.7.0
Building for debugging...
[0/6] Copying Info.plist
[0/6] Copying Localizable.strings
[2/6] Write sources
[5/6] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[7/62] Emitting module YCoreUI
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
error: emit-module command failed with exit code 1 (use -v to see invocation)
[8/66] Emitting module YMatterType
/host/spi-builder-workspace/.build/checkouts/YMatterType/Sources/YMatterType/Elements/Representables/TypographyLabelRepresentable.swift:9:8: error: no such module 'SwiftUI'
7 | //
8 |
9 | import SwiftUI
| `- error: no such module 'SwiftUI'
10 |
11 | /// A wrapper for a UIKit TypographyLabel view that allows to integrate that view into a SwiftUI view hierarchy.
[9/69] Compiling YCoreUI Animation.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[10/69] Compiling YCoreUI Elevation.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[11/69] Compiling YCoreUI Anchorable.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[12/69] Compiling YMatterType UITraitCollection+fontAppearance.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[13/69] Compiling YCoreUI UIView+constrain.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[14/69] Compiling YCoreUI UIView+constrainAnchor.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[15/69] Compiling YCoreUI UIView+constrainAspectRatio.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[16/69] Compiling YCoreUI UIView+constrainBelow.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[17/69] Compiling YMatterType YMatterType+Logging.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[18/69] Compiling YCoreUI UIScrollView+keyboardNotifications.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[19/69] Compiling YCoreUI UITraitCollection+colorSpaces.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[20/69] Compiling YCoreUI UIView+Animation.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[21/69] Compiling YMatterType DefaultFontFamily.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[22/69] Compiling YCoreUI UIColor+WCAG.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[23/69] Compiling YCoreUI UIColor+blended.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[24/69] Compiling YCoreUI UIColor+rgb.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[25/69] Compiling YCoreUI UIColor+rgbComponents.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[26/69] Compiling YCoreUI UIView+constrainCenter.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[27/69] Compiling YCoreUI UIView+constrainEdges.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[28/69] Compiling YMatterType Typography.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[29/69] Compiling YMatterType TypographyLayout.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
/host/spi-builder-workspace/.build/checkouts/YMatterType/Sources/YMatterType/Elements/Representables/TypographyLabelRepresentable.swift:9:8: error: no such module 'SwiftUI'
7 | //
8 |
9 | import SwiftUI
| `- error: no such module 'SwiftUI'
10 |
11 | /// A wrapper for a UIKit TypographyLabel view that allows to integrate that view into a SwiftUI view hierarchy.
/host/spi-builder-workspace/.build/checkouts/YMatterType/Sources/YMatterType/Elements/Representables/TypographyLabelRepresentable.swift:9:8: error: no such module 'SwiftUI'
7 | //
8 |
9 | import SwiftUI
| `- error: no such module 'SwiftUI'
10 |
11 | /// A wrapper for a UIKit TypographyLabel view that allows to integrate that view into a SwiftUI view hierarchy.
/host/spi-builder-workspace/.build/checkouts/YMatterType/Sources/YMatterType/Elements/Representables/TypographyLabelRepresentable.swift:9:8: error: no such module 'SwiftUI'
7 | //
8 |
9 | import SwiftUI
| `- error: no such module 'SwiftUI'
10 |
11 | /// A wrapper for a UIKit TypographyLabel view that allows to integrate that view into a SwiftUI view hierarchy.
[33/69] Compiling YMatterType String+textSize.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[34/69] Compiling YCoreUI UIEdgeInsets+directional.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[35/69] Compiling YCoreUI UIEdgeInsets+horizontal.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[36/69] Compiling YCoreUI UIEdgeInsets+init.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[37/69] Compiling YCoreUI ImageAsset.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[38/69] Compiling YCoreUI Localizable.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[39/69] Compiling YCoreUI SystemImage.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[40/69] Compiling YCoreUI YCoreUI+Logging.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[41/69] Compiling YCoreUI FormViewController.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[42/69] Compiling YCoreUI CGFloat+rounded.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[43/69] Compiling YCoreUI CGSize+inset.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[44/69] Compiling YCoreUI String+Localizable.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
[45/69] Compiling YMatterType String+textCase.swift
/host/spi-builder-workspace/.build/checkouts/YCoreUI/Sources/YCoreUI/Components/FormViewController.swift:9:8: error: no such module 'UIKit'
7 | //
8 |
9 | import UIKit
| `- error: no such module 'UIKit'
10 |
11 | #if os(iOS)
/host/spi-builder-workspace/.build/checkouts/YMatterType/Sources/YMatterType/Elements/Representables/TypographyLabelRepresentable.swift:9:8: error: no such module 'SwiftUI'
7 | //
8 |
9 | import SwiftUI
| `- error: no such module 'SwiftUI'
10 |
11 | /// A wrapper for a UIKit TypographyLabel view that allows to integrate that view into a SwiftUI view hierarchy.
BUILD FAILURE 6.3 wasm