cant install in golang version 13.4

[fikri2992]

this is the output

go build

_/root/project/go/src/rtmping

./main.go:155:17: cannot use cli.StringFlag literal (type cli.StringFlag) as type cli.Flag in array or slice literal:
cli.StringFlag does not implement cli.Flag (Apply method has pointer receiver)
./main.go:160:17: cannot use cli.StringFlag literal (type cli.StringFlag) as type cli.Flag in array or slice literal:
cli.StringFlag does not implement cli.Flag (Apply method has pointer receiver)