language: go
sudo: false
matrix:
  include:
    - go: 1.8
    - go: 1.9
    - go: "1.10"
    - go: 1.x
    - go: tip
  allow_failures:
    - go: tip
script:
  - go get -t -v ./...
  - diff -u <(echo -n) <(gofmt -d -s .)
  - go vet .
  - go test -v -race ./...