Installation Error

[Syzygianinfern0]

I have installed Go from the official Arch Linux repos and have also tested the install from the official docs

~ >>> go get github.com/dogbin/inu                                                                                                           
# github.com/dogbin/inu
go/src/github.com/dogbin/inu/main.go:46:3: unknown field 'EnvVar' in struct literal of type cli.StringFlag
go/src/github.com/dogbin/inu/main.go:69:3: unknown field 'EnvVar' in struct literal of type cli.StringFlag
go/src/github.com/dogbin/inu/main.go:78:14: cannot use []cli.Author literal (type []cli.Author) as type []*cli.Author in assignment
go/src/github.com/dogbin/inu/main.go:88:3: cannot use serverFlag (type cli.StringFlag) as type cli.Flag in slice literal:
	cli.StringFlag does not implement cli.Flag (Apply method has pointer receiver)
go/src/github.com/dogbin/inu/main.go:89:3: cannot use slugFlag (type cli.StringFlag) as type cli.Flag in slice literal:
	cli.StringFlag does not implement cli.Flag (Apply method has pointer receiver)
go/src/github.com/dogbin/inu/main.go:90:3: cannot use fileFlag (type cli.StringFlag) as type cli.Flag in slice literal:
	cli.StringFlag does not implement cli.Flag (Apply method has pointer receiver)
go/src/github.com/dogbin/inu/main.go:91:3: cannot use jsonFlag (type cli.BoolFlag) as type cli.Flag in slice literal:
	cli.BoolFlag does not implement cli.Flag (Apply method has pointer receiver)
go/src/github.com/dogbin/inu/main.go:92:3: cannot use clipboardFlag (type cli.BoolFlag) as type cli.Flag in slice literal:
	cli.BoolFlag does not implement cli.Flag (Apply method has pointer receiver)
go/src/github.com/dogbin/inu/main.go:93:3: cannot use apiKeyFlag (type cli.StringFlag) as type cli.Flag in slice literal:
	cli.StringFlag does not implement cli.Flag (Apply method has pointer receiver)
go/src/github.com/dogbin/inu/main.go:102:5: cannot use serverFlag (type cli.StringFlag) as type cli.Flag in slice literal:
	cli.StringFlag does not implement cli.Flag (Apply method has pointer receiver)
go/src/github.com/dogbin/inu/main.go:102:5: too many errors