The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions/setup-dotnet@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

'SecurityPermissionAttribute' is obsolete: 'Code Access Security is not supported or honored by the runtime.' (https://aka.ms/dotnet-warnings/SYSLIB0003)

'SecurityAction' is obsolete: 'Code Access Security is not supported or honored by the runtime.' (https://aka.ms/dotnet-warnings/SYSLIB0003)

Member 'OptionException.GetObjectData(SerializationInfo, StreamingContext)' overrides obsolete member 'Exception.GetObjectData(SerializationInfo, StreamingContext)'. Add the Obsolete attribute to 'OptionException.GetObjectData(SerializationInfo, StreamingContext)'.

The variable 'next_field' is assigned but its value is never used

The variable 'all_opaque' is assigned but its value is never used

'Exception.Exception(SerializationInfo, StreamingContext)' is obsolete: 'This API supports obsolete formatter-based serialization. It should not be called or extended by application code.' (https://aka.ms/dotnet-warnings/SYSLIB0051)

'Exception.GetObjectData(SerializationInfo, StreamingContext)' is obsolete: 'This API supports obsolete formatter-based serialization. It should not be called or extended by application code.' (https://aka.ms/dotnet-warnings/SYSLIB0051)

The field 'UnionSubstruct.is_valid' is assigned but its value is never used

The field 'MethodABIField.is_valid' is assigned but its value is never used