/usr/bin/cp: cannot create regular file '/usr/local/share/fonts/NotoColorEmoji.ttf': Permission denied

/usr/bin/chmod: cannot access '/usr/local/share/fonts/NotoColorEmoji.ttf': No such file or directory

WARNING: apt does not have a stable CLI interface. Use with caution in scripts.

/home/runner/work/npoi/npoi/testcases/ooxml/XSSF/UserModel/TestXSSFWorkbook.cs(1056,36): error CS0266: Cannot implicitly convert type 'System.DateTime?' to 'System.DateTime'. An explicit conversion exists (are you missing a cast?) [/home/runner/work/npoi/npoi/testcases/ooxml/NPOI.OOXML.TestCases.Core.csproj::TargetFramework=net472]

/home/runner/work/npoi/npoi/testcases/ooxml/XSSF/UserModel/TestXSSFWorkbook.cs(1062,27): error CS0266: Cannot implicitly convert type 'System.DateTime?' to 'System.DateTime'. An explicit conversion exists (are you missing a cast?) [/home/runner/work/npoi/npoi/testcases/ooxml/NPOI.OOXML.TestCases.Core.csproj::TargetFramework=net472]

/home/runner/work/npoi/npoi/testcases/ooxml/XSSF/UserModel/TestXSSFWorkbook.cs(1069,27): error CS0266: Cannot implicitly convert type 'System.DateTime?' to 'System.DateTime'. An explicit conversion exists (are you missing a cast?) [/home/runner/work/npoi/npoi/testcases/ooxml/NPOI.OOXML.TestCases.Core.csproj::TargetFramework=net472]

/home/runner/work/npoi/npoi/testcases/ooxml/XSSF/UserModel/TestXSSFWorkbook.cs(1075,27): error CS0266: Cannot implicitly convert type 'System.DateTime?' to 'System.DateTime'. An explicit conversion exists (are you missing a cast?) [/home/runner/work/npoi/npoi/testcases/ooxml/NPOI.OOXML.TestCases.Core.csproj::TargetFramework=net472]

/home/runner/work/npoi/npoi/testcases/ooxml/XSSF/UserModel/TestXSSFWorkbook.cs(1056,36): error CS0266: Cannot implicitly convert type 'System.DateTime?' to 'System.DateTime'. An explicit conversion exists (are you missing a cast?) [/home/runner/work/npoi/npoi/testcases/ooxml/NPOI.OOXML.TestCases.Core.csproj::TargetFramework=net6.0]

D:\a\npoi\npoi\testcases\ooxml\XSSF\UserModel\TestXSSFWorkbook.cs(1056,36): error CS0266: Cannot implicitly convert type 'System.DateTime?' to 'System.DateTime'. An explicit conversion exists (are you missing a cast?) [D:\a\npoi\npoi\testcases\ooxml\NPOI.OOXML.TestCases.Core.csproj::TargetFramework=net472]

D:\a\npoi\npoi\testcases\ooxml\XSSF\UserModel\TestXSSFWorkbook.cs(1062,27): error CS0266: Cannot implicitly convert type 'System.DateTime?' to 'System.DateTime'. An explicit conversion exists (are you missing a cast?) [D:\a\npoi\npoi\testcases\ooxml\NPOI.OOXML.TestCases.Core.csproj::TargetFramework=net472]

D:\a\npoi\npoi\testcases\ooxml\XSSF\UserModel\TestXSSFWorkbook.cs(1069,27): error CS0266: Cannot implicitly convert type 'System.DateTime?' to 'System.DateTime'. An explicit conversion exists (are you missing a cast?) [D:\a\npoi\npoi\testcases\ooxml\NPOI.OOXML.TestCases.Core.csproj::TargetFramework=net472]

D:\a\npoi\npoi\testcases\ooxml\XSSF\UserModel\TestXSSFWorkbook.cs(1075,27): error CS0266: Cannot implicitly convert type 'System.DateTime?' to 'System.DateTime'. An explicit conversion exists (are you missing a cast?) [D:\a\npoi\npoi\testcases\ooxml\NPOI.OOXML.TestCases.Core.csproj::TargetFramework=net472]

D:\a\npoi\npoi\testcases\ooxml\XSSF\UserModel\TestXSSFWorkbook.cs(1056,36): error CS0266: Cannot implicitly convert type 'System.DateTime?' to 'System.DateTime'. An explicit conversion exists (are you missing a cast?) [D:\a\npoi\npoi\testcases\ooxml\NPOI.OOXML.TestCases.Core.csproj::TargetFramework=net6.0]

D:\a\npoi\npoi\testcases\ooxml\XSSF\UserModel\TestXSSFWorkbook.cs(1062,27): error CS0266: Cannot implicitly convert type 'System.DateTime?' to 'System.DateTime'. An explicit conversion exists (are you missing a cast?) [D:\a\npoi\npoi\testcases\ooxml\NPOI.OOXML.TestCases.Core.csproj::TargetFramework=net6.0]

D:\a\npoi\npoi\testcases\ooxml\XSSF\UserModel\TestXSSFWorkbook.cs(1069,27): error CS0266: Cannot implicitly convert type 'System.DateTime?' to 'System.DateTime'. An explicit conversion exists (are you missing a cast?) [D:\a\npoi\npoi\testcases\ooxml\NPOI.OOXML.TestCases.Core.csproj::TargetFramework=net6.0]

D:\a\npoi\npoi\testcases\ooxml\XSSF\UserModel\TestXSSFWorkbook.cs(1075,27): error CS0266: Cannot implicitly convert type 'System.DateTime?' to 'System.DateTime'. An explicit conversion exists (are you missing a cast?) [D:\a\npoi\npoi\testcases\ooxml\NPOI.OOXML.TestCases.Core.csproj::TargetFramework=net6.0]

D:\a\npoi\npoi\testcases\ooxml\XSSF\UserModel\TestXSSFWorkbook.cs(1056,36): error CS0266: Cannot implicitly convert type 'System.DateTime?' to 'System.DateTime'. An explicit conversion exists (are you missing a cast?) [D:\a\npoi\npoi\testcases\ooxml\NPOI.OOXML.TestCases.Core.csproj::TargetFramework=net472]

D:\a\npoi\npoi\testcases\ooxml\XSSF\UserModel\TestXSSFWorkbook.cs(1062,27): error CS0266: Cannot implicitly convert type 'System.DateTime?' to 'System.DateTime'. An explicit conversion exists (are you missing a cast?) [D:\a\npoi\npoi\testcases\ooxml\NPOI.OOXML.TestCases.Core.csproj::TargetFramework=net472]

/home/runner/work/npoi/npoi/main/POIFS/Crypt/Standard/StandardDecryptor.cs(225,20): warning CS0114: 'CipherInputStream.Read(byte[])' hides inherited member 'InputStream.Read(byte[])'. To make the current member override that implementation, add the override keyword. Otherwise add the new keyword. [/home/runner/work/npoi/npoi/main/NPOI.Core.csproj::TargetFramework=netstandard2.0]

/home/runner/work/npoi/npoi/main/POIFS/Crypt/Standard/StandardDecryptor.cs(262,21): warning CS0114: 'CipherInputStream.Skip(long)' hides inherited member 'InputStream.Skip(long)'. To make the current member override that implementation, add the override keyword. Otherwise add the new keyword. [/home/runner/work/npoi/npoi/main/NPOI.Core.csproj::TargetFramework=netstandard2.0]

/home/runner/work/npoi/npoi/main/POIFS/Crypt/Standard/StandardDecryptor.cs(305,21): warning CS0114: 'CipherInputStream.MarkSupported()' hides inherited member 'ByteArrayInputStream.MarkSupported()'. To make the current member override that implementation, add the override keyword. Otherwise add the new keyword. [/home/runner/work/npoi/npoi/main/NPOI.Core.csproj::TargetFramework=netstandard2.0]

/home/runner/work/npoi/npoi/main/POIFS/FileSystem/POIFSFileSystem.cs(66,30): warning CS0108: 'POIFSFileSystem.CreateNonClosingInputStream(Stream)' hides inherited member 'NPOIFSFileSystem.CreateNonClosingInputStream(Stream)'. Use the new keyword if hiding was intended. [/home/runner/work/npoi/npoi/main/NPOI.Core.csproj::TargetFramework=netstandard2.0]

/home/runner/work/npoi/npoi/main/SS/Formula/Eval/FunctionEval.cs(62,37): warning CS0628: 'FunctionEval.functions': new protected member declared in sealed type [/home/runner/work/npoi/npoi/main/NPOI.Core.csproj::TargetFramework=netstandard2.0]

/home/runner/work/npoi/npoi/main/SS/UserModel/Workbook.cs(447,14): warning CS0108: 'IWorkbook.Close()' hides inherited member 'ICloseable.Close()'. Use the new keyword if hiding was intended. [/home/runner/work/npoi/npoi/main/NPOI.Core.csproj::TargetFramework=netstandard2.0]

/home/runner/work/npoi/npoi/main/Util/StringUtil.cs(514,49): warning CS0472: The result of the expression is always 'false' since a value of type 'int' is never equal to 'null' of type 'int?' [/home/runner/work/npoi/npoi/main/NPOI.Core.csproj::TargetFramework=netstandard2.0]

/home/runner/work/npoi/npoi/main/SS/Formula/Functions/FinanceFunction.cs(96,13): warning CS0162: Unreachable code detected [/home/runner/work/npoi/npoi/main/NPOI.Core.csproj::TargetFramework=netstandard2.0]

/home/runner/work/npoi/npoi/main/SS/Formula/Functions/Countif.cs(341,21): warning CS0162: Unreachable code detected [/home/runner/work/npoi/npoi/main/NPOI.Core.csproj::TargetFramework=netstandard2.0]

/home/runner/work/npoi/npoi/main/SS/Formula/Atp/DateParser.cs(86,17): warning CS0162: Unreachable code detected [/home/runner/work/npoi/npoi/main/NPOI.Core.csproj::TargetFramework=netstandard2.0]

D:\a\npoi\npoi\main\POIFS\Crypt\Standard\StandardDecryptor.cs(225,20): warning CS0114: 'CipherInputStream.Read(byte[])' hides inherited member 'InputStream.Read(byte[])'. To make the current member override that implementation, add the override keyword. Otherwise add the new keyword. [D:\a\npoi\npoi\main\NPOI.Core.csproj::TargetFramework=net472]

D:\a\npoi\npoi\main\POIFS\Crypt\Standard\StandardDecryptor.cs(262,21): warning CS0114: 'CipherInputStream.Skip(long)' hides inherited member 'InputStream.Skip(long)'. To make the current member override that implementation, add the override keyword. Otherwise add the new keyword. [D:\a\npoi\npoi\main\NPOI.Core.csproj::TargetFramework=net472]

D:\a\npoi\npoi\main\POIFS\Crypt\Standard\StandardDecryptor.cs(305,21): warning CS0114: 'CipherInputStream.MarkSupported()' hides inherited member 'ByteArrayInputStream.MarkSupported()'. To make the current member override that implementation, add the override keyword. Otherwise add the new keyword. [D:\a\npoi\npoi\main\NPOI.Core.csproj::TargetFramework=net472]

D:\a\npoi\npoi\main\POIFS\FileSystem\POIFSFileSystem.cs(66,30): warning CS0108: 'POIFSFileSystem.CreateNonClosingInputStream(Stream)' hides inherited member 'NPOIFSFileSystem.CreateNonClosingInputStream(Stream)'. Use the new keyword if hiding was intended. [D:\a\npoi\npoi\main\NPOI.Core.csproj::TargetFramework=net472]

D:\a\npoi\npoi\main\SS\Formula\Eval\FunctionEval.cs(62,37): warning CS0628: 'FunctionEval.functions': new protected member declared in sealed type [D:\a\npoi\npoi\main\NPOI.Core.csproj::TargetFramework=net472]

D:\a\npoi\npoi\main\SS\UserModel\Workbook.cs(447,14): warning CS0108: 'IWorkbook.Close()' hides inherited member 'ICloseable.Close()'. Use the new keyword if hiding was intended. [D:\a\npoi\npoi\main\NPOI.Core.csproj::TargetFramework=net472]

D:\a\npoi\npoi\main\SS\Formula\Functions\FinanceFunction.cs(96,13): warning CS0162: Unreachable code detected [D:\a\npoi\npoi\main\NPOI.Core.csproj::TargetFramework=net472]

D:\a\npoi\npoi\main\SS\Formula\Functions\Countif.cs(341,21): warning CS0162: Unreachable code detected [D:\a\npoi\npoi\main\NPOI.Core.csproj::TargetFramework=net472]

D:\a\npoi\npoi\main\SS\Formula\Atp\DateParser.cs(86,17): warning CS0162: Unreachable code detected [D:\a\npoi\npoi\main\NPOI.Core.csproj::TargetFramework=net472]