use go 1.12

Signed-off-by: hongming <talonwan@yunify.com>

vendor/github.com/lucas-clemente/quic-go/.travis.yml

@@ -0,0 +1,52 @@
+dist: trusty
+group: travis_latest
+
+addons:
+  hosts:
+    - quic.clemente.io
+
+language: go
+
+go:
+  - "1.10.4"
+  - "1.11"
+
+# first part of the GOARCH workaround
+# setting the GOARCH directly doesn't work, since the value will be overwritten later
+# so set it to a temporary environment variable first
+env:
+  global:
+    - TIMESCALE_FACTOR=20
+  matrix:
+    - TRAVIS_GOARCH=amd64 TESTMODE=lint
+    - TRAVIS_GOARCH=amd64 TESTMODE=unit
+    - TRAVIS_GOARCH=amd64 TESTMODE=integration
+    - TRAVIS_GOARCH=386 TESTMODE=unit
+    - TRAVIS_GOARCH=386 TESTMODE=integration
+
+# Linters might work differently in different Go versions.
+# Only run them in the most recent one.
+matrix:
+  exclude:
+  - go: "1.10.4"
+    env: TRAVIS_GOARCH=amd64 TESTMODE=lint
+  - go: "1.10.4"
+    env: TRAVIS_GOARCH=386 TESTMODE=lint
+
+# second part of the GOARCH workaround
+# now actually set the GOARCH env variable to the value of the temporary variable set earlier
+before_install:
+  - go get golang.org/x/tools/cmd/cover
+  - go get github.com/onsi/ginkgo/ginkgo
+  - go get github.com/onsi/gomega
+  - export GOARCH=$TRAVIS_GOARCH
+  - go env # for debugging
+  - "printf \"quic.clemente.io certificate valid until: \" && openssl x509 -in example/fullchain.pem -enddate -noout | cut -d = -f 2"
+  - "export DISPLAY=:99.0"
+  - "Xvfb $DISPLAY &> /dev/null &"
+
+script:
+  - .travis/script.sh
+
+after_success:
+  - .travis/after_success.sh