CI: use go mod

nanmu42 · nanmu42 · commit b36ec451c2fb · 2019-10-14T10:07:49.000+08:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,7 +1,10 @@
 language: go
 
+env:
+  - GO111MODULE=on
+
 script:
-- go test -v -coverprofile=coverage.txt -covermode=count ./...
+  - go test -v -coverprofile=coverage.txt -covermode=count ./...
 
 after_success:
-- bash <(curl -s https://codecov.io/bash)
+  - bash <(curl -s https://codecov.io/bash)
