The type 'ReadOnlySpan<char>' may not be used as a type argument

The type 'ReadOnlySpan<char>' may not be used as a type argument

Process completed with exit code 1.

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/

.NET Core 3.1 is no longer supported and will not receive security updates in the future. Please refer to https://aka.ms/dotnet-core-support for more information about the .NET support policy.

Do not use Assert.False(true, message) to fail a test. Use Assert.Fail(message) instead.

Do not use Assert.False(true, message) to fail a test. Use Assert.Fail(message) instead.

Do not use Assert.False(true, message) to fail a test. Use Assert.Fail(message) instead.

Do not use Assert.True(false, message) to fail a test. Use Assert.Fail(message) instead.

Do not use Assert.False(true, message) to fail a test. Use Assert.Fail(message) instead.

Do not use Assert.True(false, message) to fail a test. Use Assert.Fail(message) instead.

The literal or constant value (uint)0x1b0404cb should be passed as the 'expected' argument in the call to 'Assert.Equal(expected, actual)' in method 'CanReadConvertTargetToDifficulty' on type 'util_tests'. Swap the parameter values.

The literal or constant value (uint)0x1d00ffff should be passed as the 'expected' argument in the call to 'Assert.Equal(expected, actual)' in method 'CanReadConvertTargetToDifficulty' on type 'util_tests'. Swap the parameter values.

The literal or constant value (uint)419470732 should be passed as the 'expected' argument in the call to 'Assert.Equal(expected, actual)' in method 'CanReadConvertTargetToDifficulty' on type 'util_tests'. Swap the parameter values.