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feat(perf): #263-A — the measurement instrument (CALIBRATION_ONLY; no admissible baseline yet) #2008

feat(perf): #263-A — the measurement instrument (CALIBRATION_ONLY; no admissible baseline yet)

feat(perf): #263-A — the measurement instrument (CALIBRATION_ONLY; no admissible baseline yet) #2008

Triggered via pull request September 11, 2026 02:06
Status Success
Total duration 12m 11s
Artifacts 4

ci.yml

on: pull_request
C# leak extractor (Roslyn) -> OwnIR -> core
6m 13s
C# leak extractor (Roslyn) -> OwnIR -> core
lint (ruff + mypy --strict)
14s
lint (ruff + mypy --strict)
rust (fmt + clippy + tests)
47s
rust (fmt + clippy + tests)
Windows-native mutation campaign (own-check.ps1 + the drive-rooted locator arm)
8m 8s
Windows-native mutation campaign (own-check.ps1 + the drive-rooted locator arm)
Stage-2 mutation campaign, Windows verdict (gate only, records nothing)
3m 44s
Stage-2 mutation campaign, Windows verdict (gate only, records nothing)
shadow compare (committed corpus)
40s
shadow compare (committed corpus)
audit aggregation selftests
11s
audit aggregation selftests
release-workflow environment-protection predicate (fixture-driven)
7s
release-workflow environment-protection predicate (fixture-driven)
extended codegen fuzz
32s
extended codegen fuzz
golden C# compiles & runs (.NET)
37s
golden C# compiles & runs (.NET)
OwnTS (React useEffect) -> OwnIR -> core
7s
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
1m 15s
own-check repo scan (github + msbuild) + composite action
own-check.ps1 exit-code tiers (Windows)
1m 44s
own-check.ps1 exit-code tiers (Windows)
own-check SARIF -> GitHub code scanning (Rust dog-food)
1m 39s
own-check SARIF -> GitHub code scanning (Rust dog-food)
P-014 Tier B — external reference resolution (--ref-dir)
39s
P-014 Tier B — external reference resolution (--ref-dir)
corpus benchmark (real C# recall + specificity)
6m 5s
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)
36s
shadow compare (C# samples)
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Annotations

20 errors and 71 warnings
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]
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/
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/
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/
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/
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/
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/
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/
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#L5234
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 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#L118
[OWN001] 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) [resource: subscription token]
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#L5234
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/
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#L5234
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#L5234
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.
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. 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)
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#L5234
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.
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/
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#L5234
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#L5234
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/
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/
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/
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#L5234
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.
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#L5234
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/
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/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#L5234
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 (py3.11)
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/
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/
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#L5234
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.
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/
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/
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#L5234
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.
shadow compare (C# samples)
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/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093, 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, actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02. 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, actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Artifacts

Produced during runtime
Name Size Digest
benchmark-scorecard
1.53 KB
sha256:9ec7b3f3683f50b35dfb35ebf9750646dcd862f6eda6cea4ced98a7978815fea
csharp-samples-ownir
4.34 KB
sha256:0238b7f70d2da92974f8db7f40042c0d1ddfc3503eedb214334ee87ad1a87e50
perf-calibration-ubuntu-latest
37 KB
sha256:067edb17b3f109910fafd11471067dd90ebfc0596c9e90c16f6538ca1e5c993e
perf-calibration-windows-latest
20.8 KB
sha256:0d5427e32110cded6dc1fe255a4f4c324ce4366b5b9a7808c3b8beb6f17c728b