Installation instruction is not working

[breathbath]

Hey when I do

go get -u github.com/atomix/cli/cmd/atomix

I am getting:

package github.com/atomix/api/proto/atomix/database: no Go files in /go/src/github.com/atomix/api/proto/atomix/database
package github.com/atomix/api/proto/atomix/primitive: no Go files in /go/src/github.com/atomix/api/proto/atomix/primitive
package github.com/atomix/api/proto/atomix/counter: no Go files in /go/src/github.com/atomix/api/proto/atomix/counter
package github.com/atomix/api/proto/atomix/headers: no Go files in /go/src/github.com/atomix/api/proto/atomix/headers
package github.com/atomix/api/proto/atomix/session: no Go files in /go/src/github.com/atomix/api/proto/atomix/session
package github.com/atomix/api/proto/atomix/election: no Go files in /go/src/github.com/atomix/api/proto/atomix/election
package github.com/atomix/api/proto/atomix/indexedmap: no Go files in /go/src/github.com/atomix/api/proto/atomix/indexedmap
package github.com/atomix/api/proto/atomix/leader: no Go files in /go/src/github.com/atomix/api/proto/atomix/leader
package github.com/atomix/api/proto/atomix/list: no Go files in /go/src/github.com/atomix/api/proto/atomix/list
package github.com/atomix/api/proto/atomix/lock: no Go files in /go/src/github.com/atomix/api/proto/atomix/lock
package github.com/atomix/api/proto/atomix/log: no Go files in /go/src/github.com/atomix/api/proto/atomix/log
package github.com/atomix/api/proto/atomix/map: no Go files in /go/src/github.com/atomix/api/proto/atomix/map
package github.com/atomix/api/proto/atomix/membership: no Go files in /go/src/github.com/atomix/api/proto/atomix/membership
package github.com/atomix/api/proto/atomix/set: no Go files in /go/src/github.com/atomix/api/proto/atomix/set
package github.com/atomix/api/proto/atomix/value: no Go files in /go/src/github.com/atomix/api/proto/atomix/value

what should I do to install it?
Thanks