Build error

[koluchiy]

# github.com/gobricks/jwtack/src/backend github.com/gobricks/jwtack/src/backend/service.go:28: cannot use payload (type map[string]interface {}) as type jwt.Claims in assignment: map[string]interface {} does not implement jwt.Claims (missing Valid method) github.com/gobricks/jwtack/src/backend/service.go:30: invalid operation: token.Claims["exp"] (type jwt.Claims does not support indexing) github.com/gobricks/jwtack/src/backend/service.go:48: cannot use t.Claims (type jwt.Claims) as type map[string]interface {} in assignment

[koluchiy]

go version go1.6.3 linux/amd64
go version go1.6.2 linux/386