language: go
go:
    - 1.4
    - 1.5
    - 1.6
install:
      - go get github.com/bwmarrin/flake
      - go get -v .

language: go
go:
    - 1.11.x
    - 1.12.x
install:
    - go get -v .
script:
    - diff <(gofmt -d .) <(echo -n)
    - go vet -x ./...
    - golint -set_exit_status ./...
    - go test -v -race ./...

Check more, Check against Go 11.x/12.x
Check more, Check against Go 11.x/12.x
