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feat: add OWN053 orphaned-awaitable advisory #2472

feat: add OWN053 orphaned-awaitable advisory

feat: add OWN053 orphaned-awaitable advisory #2472

Triggered via pull request October 1, 2026 17:05
Status Failure
Total duration 43m 34s
Artifacts 3

ci.yml

on: pull_request
C# leak extractor (Roslyn) -> OwnIR -> core
38s
C# leak extractor (Roslyn) -> OwnIR -> core
lint (ruff + mypy --strict)
13s
lint (ruff + mypy --strict)
rust (fmt + clippy + tests)
36s
rust (fmt + clippy + tests)
formal kernel (fmt + clippy + twins + fast Kani)
1m 31s
formal kernel (fmt + clippy + twins + fast Kani)
Windows-native mutation campaign (own-check.ps1 + the drive-rooted locator arm)
7m 6s
Windows-native mutation campaign (own-check.ps1 + the drive-rooted locator arm)
Stage-2 mutation campaign, Windows verdict (gate only, records nothing)
3m 46s
Stage-2 mutation campaign, Windows verdict (gate only, records nothing)
shadow compare (committed corpus)
35s
shadow compare (committed corpus)
audit aggregation selftests
10s
audit aggregation selftests
release-workflow environment-protection predicate (fixture-driven)
8s
release-workflow environment-protection predicate (fixture-driven)
extended codegen fuzz
39s
extended codegen fuzz
golden C# compiles & runs (.NET)
26s
golden C# compiles & runs (.NET)
OwnTS (React useEffect) -> OwnIR -> core
10s
OwnTS (React useEffect) -> OwnIR -> core
OwnTS OSS true positives -> runtime leak proof (jsdom)
8s
OwnTS OSS true positives -> runtime leak proof (jsdom)
own-check repo scan (github + msbuild) + composite action
2m 22s
own-check repo scan (github + msbuild) + composite action
own-check.ps1 exit-code tiers (Windows)
2m 46s
own-check.ps1 exit-code tiers (Windows)
own-check SARIF -> GitHub code scanning (Rust dog-food)
1m 42s
own-check SARIF -> GitHub code scanning (Rust dog-food)
P-014 Tier B — external reference resolution (--ref-dir)
57s
P-014 Tier B — external reference resolution (--ref-dir)
corpus benchmark (real C# recall + specificity)
6m 11s
corpus benchmark (real C# recall + specificity)
Matrix: own-cli (ownir parity replay)
Matrix: owen CLI (gate A) — clean install -> check -> findings
Matrix: #263-A measurement instrument (CALIBRATION_ONLY)
Matrix: owen --engine (#262 Stage 1 controls)
Matrix: Rust-default dogfood (Own.NET's own tree, via own-cli)
Matrix: tests
shadow compare (C# samples)
0s
shadow compare (C# samples)
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Annotations

27 errors, 82 warnings, and 22 notices
C# leak extractor (Roslyn) -> OwnIR -> core
Process completed with exit code 1.
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/CloseReleaseSample.cs#L37
IDisposable field '_xconn' (type 'FakeConnection') is never disposed — its owner 'ClosesOtherInstanceField' leaks it (leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/CloseReleaseSample.cs#L26
IDisposable field '_leakedConn' (type 'FakeConnection') is never disposed — its owner 'LeaksUnclosed' leaks it (leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AppDomainShutdownSample.cs#L54
event 'SomeBus.Pinged' is subscribed (handler '(_, _) => cts.Cancel()') to a static (process-lived) event source that outlives 'NonAppDomainSubscriber'; the strong subscription promotes 'NonAppDomainSubscriber' to the source's lifetime, so it can never be collected — a region escape (leak, no release path — and being an inline lambda it has no '-=' handle, so it could never be detached)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AppDomainShutdownSample.cs#L34
event 'AppDomain.CurrentDomain.ProcessExit' is subscribed (handler '(_, _) => _count++') to a static (process-lived) event source that outlives 'CapturingShutdownSubscriber'; the strong subscription promotes 'CapturingShutdownSubscriber' to the source's lifetime, so it can never be collected — a region escape (leak, no release path — and being an inline lambda it has no '-=' handle, so it could never be detached)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AliasDisposeSample.cs#L75
IDisposable field '_scopedLeak' (type 'CancellationTokenSource') is never disposed — its owner 'ScopedAliasNameLeak' leaks it (leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AliasDisposeSample.cs#L57
IDisposable field '_refRebound' (type 'CancellationTokenSource') is never disposed — its owner 'RefReboundAliasLeaks' leaks it (leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AliasDisposeSample.cs#L42
IDisposable field '_rebound' (type 'CancellationTokenSource') is never disposed — its owner 'ReboundAliasLeaks' leaks it (leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AliasDisposeSample.cs#L29
IDisposable field '_neverDisposed' (type 'CancellationTokenSource') is never disposed — its owner 'AliasNeverDisposes' leaks it (leak)
OWN001: frontend/roslyn/samples/ColumnAnchorsSample.cs#L51
[OWN001] IDisposable local 'second' is never disposed (leak) [resource: disposable]
OWN001: frontend/roslyn/samples/ColumnAnchorsSample.cs#L51
[OWN001] IDisposable local 'first' is never disposed (leak) [resource: disposable]
OWN001: frontend/roslyn/samples/CloseReleaseSample.cs#L37
[OWN001] IDisposable field '_xconn' (type 'FakeConnection') is never disposed — its owner 'ClosesOtherInstanceField' leaks it (leak) [resource: disposable field]
OWN001: frontend/roslyn/samples/CloseReleaseSample.cs#L26
[OWN001] IDisposable field '_leakedConn' (type 'FakeConnection') is never disposed — its owner 'LeaksUnclosed' leaks it (leak) [resource: disposable field]
OWN014: frontend/roslyn/samples/AppDomainShutdownSample.cs#L54
[OWN014] event 'SomeBus.Pinged' is subscribed (handler '(_, _) => cts.Cancel()') to a static (process-lived) event source that outlives 'NonAppDomainSubscriber'; the strong subscription promotes 'NonAppDomainSubscriber' to the source's lifetime, so it can never be collected — a region escape (leak, no release path — and being an inline lambda it has no '-=' handle, so it could never be detached) [resource: subscription token]
OWN014: frontend/roslyn/samples/AppDomainShutdownSample.cs#L34
[OWN014] event 'AppDomain.CurrentDomain.ProcessExit' is subscribed (handler '(_, _) => _count++') to a static (process-lived) event source that outlives 'CapturingShutdownSubscriber'; the strong subscription promotes 'CapturingShutdownSubscriber' to the source's lifetime, so it can never be collected — a region escape (leak, no release path — and being an inline lambda it has no '-=' handle, so it could never be detached) [resource: subscription token]
OWN001: frontend/roslyn/samples/AliasDisposeSample.cs#L75
[OWN001] IDisposable field '_scopedLeak' (type 'CancellationTokenSource') is never disposed — its owner 'ScopedAliasNameLeak' leaks it (leak) [resource: disposable field]
OWN001: frontend/roslyn/samples/AliasDisposeSample.cs#L57
[OWN001] IDisposable field '_refRebound' (type 'CancellationTokenSource') is never disposed — its owner 'RefReboundAliasLeaks' leaks it (leak) [resource: disposable field]
OWN001: frontend/roslyn/samples/AliasDisposeSample.cs#L42
[OWN001] IDisposable field '_rebound' (type 'CancellationTokenSource') is never disposed — its owner 'ReboundAliasLeaks' leaks it (leak) [resource: disposable field]
OWN001: frontend/roslyn/samples/AliasDisposeSample.cs#L29
[OWN001] IDisposable field '_neverDisposed' (type 'CancellationTokenSource') is never disposed — its owner 'AliasNeverDisposes' leaks it (leak) [resource: disposable field]
tests (py3.12)
Process completed with exit code 1.
Rust-default dogfood (Own.NET's own tree, via own-cli) (ubuntu-latest)
Process completed with exit code 1.
tests (py3.13)
Process completed with exit code 1.
tests (py3.11)
Process completed with exit code 1.
lint (ruff + mypy --strict)
Process completed with exit code 1.
shadow compare (committed corpus)
Process completed with exit code 1.
Rust-default dogfood (Own.NET's own tree, via own-cli) (windows-latest)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
Rust-default dogfood (Own.NET's own tree, via own-cli) (windows-latest): frontend/roslyn/OwnSharp.Extractor/Program.cs#L7028
Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'HashSet<string>.HashSet(IEnumerable<string> collection, IEqualityComparer<string>? comparer)' due to differences in the nullability of reference types.
audit aggregation selftests
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
P-014 Tier B — external reference resolution (--ref-dir)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
P-014 Tier B — external reference resolution (--ref-dir): frontend/roslyn/OwnSharp.Extractor/Program.cs#L7028
Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'HashSet<string>.HashSet(IEnumerable<string> collection, IEqualityComparer<string>? comparer)' due to differences in the nullability of reference types.
extended codegen fuzz
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
owen --engine (#262 Stage 1 controls) (windows-latest)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
owen --engine (#262 Stage 1 controls) (windows-latest): frontend/roslyn/OwnSharp.Extractor/Program.cs#L7028
Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'HashSet<string>.HashSet(IEnumerable<string> collection, IEqualityComparer<string>? comparer)' due to differences in the nullability of reference types.
owen --engine (#262 Stage 1 controls) (windows-latest): frontend/roslyn/OwnSharp.Extractor/Program.cs#L7028
Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'HashSet<string>.HashSet(IEnumerable<string> collection, IEqualityComparer<string>? comparer)' due to differences in the nullability of reference types.
C# leak extractor (Roslyn) -> OwnIR -> core
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065, actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
C# leak extractor (Roslyn) -> OwnIR -> core: frontend/roslyn/OwnSharp.Extractor/Program.cs#L7028
Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'HashSet<string>.HashSet(IEnumerable<string> collection, IEqualityComparer<string>? comparer)' due to differences in the nullability of reference types.
Stage-2 mutation campaign, Windows verdict (gate only, records nothing)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AppScopedSourceSample.cs#L100
event 'service.ThemeChanged' is subscribed (handler 'OnTheme') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'CuratedOnlyApp' alive (possible leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AppScopedSourceSample.cs#L89
event 'themeManager.ThemeChanged' is subscribed (handler '(s, e) => counter[0]++') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'LambdaApp' alive (possible leak — and being an inline lambda it has no '-=' handle, so it could never be detached)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AppScopedSourceSample.cs#L74
event 'themeManager.ThemeChanged' is subscribed (handler 'OnTheme') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'NotAnApp' alive (possible leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AppDomainShutdownSample.cs#L54
event 'SomeBus.Pinged' is subscribed (handler '(_, _) => cts.Cancel()') to a static (process-lived) event source that outlives 'NonAppDomainSubscriber'; the strong subscription promotes 'NonAppDomainSubscriber' to the source's lifetime, so it can never be collected — a region escape (leak, no release path — and being an inline lambda it has no '-=' handle, so it could never be detached)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AppDomainShutdownSample.cs#L34
event 'AppDomain.CurrentDomain.ProcessExit' is subscribed (handler '(_, _) => _count++') to a static (process-lived) event source that outlives 'CapturingShutdownSubscriber'; the strong subscription promotes 'CapturingShutdownSubscriber' to the source's lifetime, so it can never be collected — a region escape (leak, no release path — and being an inline lambda it has no '-=' handle, so it could never be detached)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AliasedSourceViewModel.cs#L23
event 'src.CustomerChanged' is subscribed (handler 'OnAliased') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'AliasedSourceViewModel' alive (possible leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AliasDisposeSample.cs#L75
IDisposable field '_scopedLeak' (type 'CancellationTokenSource') is never disposed — its owner 'ScopedAliasNameLeak' leaks it (leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AliasDisposeSample.cs#L57
IDisposable field '_refRebound' (type 'CancellationTokenSource') is never disposed — its owner 'RefReboundAliasLeaks' leaks it (leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AliasDisposeSample.cs#L42
IDisposable field '_rebound' (type 'CancellationTokenSource') is never disposed — its owner 'ReboundAliasLeaks' leaks it (leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AliasDisposeSample.cs#L29
IDisposable field '_neverDisposed' (type 'CancellationTokenSource') is never disposed — its owner 'AliasNeverDisposes' leaks it (leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AssociatedObjectSourceSample.cs#L139
event 's0.Loaded' is subscribed (handler 'OnLoaded') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'ReassignedLocalBehavior' alive (possible leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AssociatedObjectSourceSample.cs#L118
event 'panel.Loaded' is subscribed (handler 'OnLoaded') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'MixedFieldBehavior' alive (possible leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AssociatedObjectSourceSample.cs#L100
event 'this.AssociatedObject.Loaded' is subscribed (handler 'OnLoaded') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'NotABehavior' alive (possible leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AssociatedObjectSourceSample.cs#L57
event '_bus.Changed' is subscribed (handler '(s, e) => Handle()') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'TiltLikeBehavior' alive (possible leak — and being an inline lambda it has no '-=' handle, so it could never be detached)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AppScopedSourceSample.cs#L137
event 'tm.ThemeChanged' is subscribed (handler 'OnTheme') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'ReassignApp' alive (possible leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AppScopedSourceSample.cs#L118
event 'themeManager.ThemeChanged' is subscribed (handler '_twin!.OnTheme') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'TwinApp' alive (possible leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AppScopedSourceSample.cs#L100
event 'service.ThemeChanged' is subscribed (handler 'OnTheme') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'CuratedOnlyApp' alive (possible leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AppScopedSourceSample.cs#L89
event 'themeManager.ThemeChanged' is subscribed (handler '(s, e) => counter[0]++') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'LambdaApp' alive (possible leak — and being an inline lambda it has no '-=' handle, so it could never be detached)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AppScopedSourceSample.cs#L74
event 'themeManager.ThemeChanged' is subscribed (handler 'OnTheme') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'NotAnApp' alive (possible leak)
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/samples/AliasedSourceViewModel.cs#L23
event 'src.CustomerChanged' is subscribed (handler 'OnAliased') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'AliasedSourceViewModel' alive (possible leak)
OWN001: frontend/roslyn/samples/AssociatedObjectSourceSample.cs#L100
[OWN001] event 'this.AssociatedObject.Loaded' is subscribed (handler 'OnLoaded') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'NotABehavior' alive (possible leak) [resource: subscription token]
OWN001: frontend/roslyn/samples/AssociatedObjectSourceSample.cs#L57
[OWN001] event '_bus.Changed' is subscribed (handler '(s, e) => Handle()') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'TiltLikeBehavior' alive (possible leak — and being an inline lambda it has no '-=' handle, so it could never be detached) [resource: subscription token]
OWN001: frontend/roslyn/samples/AppScopedSourceSample.cs#L137
[OWN001] event 'tm.ThemeChanged' is subscribed (handler 'OnTheme') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'ReassignApp' alive (possible leak) [resource: subscription token]
OWN001: frontend/roslyn/samples/AppScopedSourceSample.cs#L118
[OWN001] event 'themeManager.ThemeChanged' is subscribed (handler '_twin!.OnTheme') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'TwinApp' alive (possible leak) [resource: subscription token]
OWN001: frontend/roslyn/samples/AppScopedSourceSample.cs#L100
[OWN001] event 'service.ThemeChanged' is subscribed (handler 'OnTheme') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'CuratedOnlyApp' alive (possible leak) [resource: subscription token]
OWN001: frontend/roslyn/samples/AppScopedSourceSample.cs#L89
[OWN001] event 'themeManager.ThemeChanged' is subscribed (handler '(s, e) => counter[0]++') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'LambdaApp' alive (possible leak — and being an inline lambda it has no '-=' handle, so it could never be detached) [resource: subscription token]
OWN001: frontend/roslyn/samples/AppScopedSourceSample.cs#L74
[OWN001] event 'themeManager.ThemeChanged' is subscribed (handler 'OnTheme') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'NotAnApp' alive (possible leak) [resource: subscription token]
OWN001: frontend/roslyn/samples/AliasedSourceViewModel.cs#L23
[OWN001] event 'src.CustomerChanged' is subscribed (handler 'OnAliased') but never unsubscribed; its source is an injected dependency whose lifetime is unknown, so it may outlive and keep 'AliasedSourceViewModel' alive (possible leak) [resource: subscription token]
own-check repo scan (github + msbuild) + composite action: frontend/roslyn/OwnSharp.Extractor/Program.cs#L7028
Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'HashSet<string>.HashSet(IEnumerable<string> collection, IEqualityComparer<string>? comparer)' due to differences in the nullability of reference types.
tests (py3.12)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
formal kernel (fmt + clippy + twins + fast Kani)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
owen --engine (#262 Stage 1 controls) (ubuntu-latest)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
owen --engine (#262 Stage 1 controls) (ubuntu-latest): frontend/roslyn/OwnSharp.Extractor/Program.cs#L7028
Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'HashSet<string>.HashSet(IEnumerable<string> collection, IEqualityComparer<string>? comparer)' due to differences in the nullability of reference types.
owen --engine (#262 Stage 1 controls) (ubuntu-latest): frontend/roslyn/OwnSharp.Extractor/Program.cs#L7028
Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'HashSet<string>.HashSet(IEnumerable<string> collection, IEqualityComparer<string>? comparer)' due to differences in the nullability of reference types.
own-check SARIF -> GitHub code scanning (Rust dog-food)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/cache@v4, actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@v4, actions/setup-python@v5. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
own-check SARIF -> GitHub code scanning (Rust dog-food): frontend/roslyn/OwnSharp.Extractor/Program.cs#L7028
Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'HashSet<string>.HashSet(IEnumerable<string> collection, IEqualityComparer<string>? comparer)' due to differences in the nullability of reference types.
rust (fmt + clippy + tests)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
owen CLI (gate A) — clean install -> check -> findings (windows-latest)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
owen CLI (gate A) — clean install -> check -> findings (windows-latest): frontend/roslyn/OwnSharp.Extractor/Program.cs#L7028
Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'HashSet<string>.HashSet(IEnumerable<string> collection, IEqualityComparer<string>? comparer)' due to differences in the nullability of reference types.
own-cli (ownir parity replay) (windows-latest)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
Rust-default dogfood (Own.NET's own tree, via own-cli) (ubuntu-latest)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
Rust-default dogfood (Own.NET's own tree, via own-cli) (ubuntu-latest): frontend/roslyn/OwnSharp.Extractor/Program.cs#L7028
Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'HashSet<string>.HashSet(IEnumerable<string> collection, IEqualityComparer<string>? comparer)' due to differences in the nullability of reference types.
tests (py3.13)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
tests (py3.11)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
lint (ruff + mypy --strict)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
#263-A measurement instrument (CALIBRATION_ONLY) (ubuntu-latest)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
owen CLI (gate A) — clean install -> check -> findings (ubuntu-latest)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
owen CLI (gate A) — clean install -> check -> findings (ubuntu-latest): frontend/roslyn/OwnSharp.Extractor/Program.cs#L7028
Argument of type 'IEnumerable<string?>' cannot be used for parameter 'collection' of type 'IEnumerable<string>' in 'HashSet<string>.HashSet(IEnumerable<string> collection, IEqualityComparer<string>? comparer)' due to differences in the nullability of reference types.
own-check.ps1 exit-code tiers (Windows)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
OwnTS (React useEffect) -> OwnIR -> core
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
OwnTS OSS true positives -> runtime leak proof (jsdom)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/setup-node@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
own-cli (ownir parity replay) (ubuntu-latest)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
shadow compare (committed corpus)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065, actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
golden C# compiles & runs (.NET)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
release-workflow environment-protection predicate (fixture-driven)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
#263-A measurement instrument (CALIBRATION_ONLY) (windows-latest)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
Windows-native mutation campaign (own-check.ps1 + the drive-rooted locator arm)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
corpus benchmark (real C# recall + specificity)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065, actions/upload-artifact@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
audit aggregation selftests
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
P-014 Tier B — external reference resolution (--ref-dir)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
extended codegen fuzz
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
C# leak extractor (Roslyn) -> OwnIR -> core
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
tests (py3.12)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
formal kernel (fmt + clippy + twins + fast Kani)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
owen --engine (#262 Stage 1 controls) (ubuntu-latest)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
own-check SARIF -> GitHub code scanning (Rust dog-food)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
rust (fmt + clippy + tests)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
Rust-default dogfood (Own.NET's own tree, via own-cli) (ubuntu-latest)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
tests (py3.13)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
tests (py3.11)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
lint (ruff + mypy --strict)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
#263-A measurement instrument (CALIBRATION_ONLY) (ubuntu-latest)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
owen CLI (gate A) — clean install -> check -> findings (ubuntu-latest)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
OwnTS (React useEffect) -> OwnIR -> core
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
OwnTS OSS true positives -> runtime leak proof (jsdom)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
own-cli (ownir parity replay) (ubuntu-latest)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
shadow compare (committed corpus)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
golden C# compiles & runs (.NET)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
release-workflow environment-protection predicate (fixture-driven)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
corpus benchmark (real C# recall + specificity)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"

Artifacts

Produced during runtime
Name Size Digest
benchmark-scorecard
1.54 KB
sha256:3b9e9b4243e4bbb42528e9dd5b74f0f45fae94d28940df298a911ad4650bcc87
csharp-samples-ownir
4.34 KB
sha256:26c5666ade82938a9c851f2372ddf535221071bca993fc6eb0e29f7b70c77e30
shadow-compare-reports
5.87 KB
sha256:ac2a79b2ee4e83d9aaa6d76ef9990706972931ec6743f6585cd4f07ff2b88d0b