updated dependencies

vendor/github.com/blevesearch/bleve/.travis.yml

@@ -3,10 +3,9 @@ sudo: false
 language: go
 
 go:
- - 1.6.x
- - 1.7.x
- - 1.8.x
- - 1.9.x
+ - "1.10.x"
+ - "1.11.x"
+ - "1.12.x"
 
 script:
   - go get golang.org/x/tools/cmd/cover
@@ -14,9 +13,14 @@ script:
   - go get github.com/kisielk/errcheck
   - go get -u github.com/FiloSottile/gvt
   - gvt restore
-  - go test -v $(go list ./... | grep -v vendor/)
+  - go test -race -v $(go list ./... | grep -v vendor/)
   - go vet $(go list ./... | grep -v vendor/)
-  - errcheck $(go list ./... | grep -v vendor/)
+  - go test ./test -v -indexType scorch
+  - if [[ ${TRAVIS_GO_VERSION} =~ ^1\.10 ]]; then
+        echo "errcheck skipped for go version" $TRAVIS_GO_VERSION;
+    else
+        errcheck -ignorepkg fmt $(go list ./... | grep -v vendor/);
+    fi
   - docs/project-code-coverage.sh
   - docs/build_children.sh