Attempt to install as self, not superuser

> java -jar forge-1.16.4-35.1.28-installer.jar --installServer
java.io.FileNotFoundException: forge-1.16.4-35.1.28-installer.jar.log (Permission denied)
        at java.io.FileOutputStream.open0(Native Method)
        at java.io.FileOutputStream.open(FileOutputStream.java:270)
        at java.io.FileOutputStream.<init>(FileOutputStream.java:213)
        at java.io.FileOutputStream.<init>(FileOutputStream.java:162)
        at net.minecraftforge.installer.SimpleInstaller.getLog(SimpleInstaller.java:180)
        at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:50)
JVM info: OpenJDK BSD Porting Team - 1.8.0_275 - 25.275-b01
java.net.preferIPv4Stack=true
Found java version 1.8.0_275
Target Directory: .
Extracting main jar:
java.nio.file.AccessDeniedException: ./forge-1.16.4-35.1.28.jar
        at sun.nio.fs.UnixException.translateToIOException(UnixException.java:84)
        at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102)
        at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107)
        at sun.nio.fs.UnixFileSystemProvider.implDelete(UnixFileSystemProvider.java:244)
        at sun.nio.fs.AbstractFileSystemProvider.deleteIfExists(AbstractFileSystemProvider.java:108)
        at java.nio.file.Files.deleteIfExists(Files.java:1165)
        at java.nio.file.Files.copy(Files.java:3004)
        at net.minecraftforge.installer.DownloadUtils.extractFile(DownloadUtils.java:303)
        at net.minecraftforge.installer.actions.ServerInstall.run(ServerInstall.java:58)
        at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:122)
  Failed to extract main jar: forge-1.16.4-35.1.28.jar
There was an error during installation