Add latest versions to Travis, support 1.10+ only (#35)

.travis.yml

@@ -3,17 +3,15 @@ language: go
 go_import_path: go.uber.org/goleak
 
 go:
-  # TODO(prashant): Enable once we have fixed Linux issues with old versions.
-  #- 1.6
-  #- 1.7
-  #- 1.8
-  - 1.9.2
+  - 1.10.x
+  - 1.11.x
+  - 1.12.x
 env:
 - TEST=yes
 
 matrix:
   include:
-  - go: 1.9.2
+  - go: 1.12.x
     env: COVERAGE=yes LINT=yes
 
 cache:

Makefile

@@ -19,15 +19,15 @@ test:
 
 .PHONY: install_lint
 install_lint:
-	go get github.com/golang/lint/golint
+	go get golang.org/x/lint/golint
 
 .PHONY: lint
 lint:
 	@rm -rf lint.log
 	@echo "Checking formatting..."
 	@gofmt -d -s $(PACKAGE_FILES) 2>&1 | tee lint.log
 	@echo "Checking vet..."
-	@$(foreach dir,$(PACKAGE_FILES),go tool vet $(dir) 2>&1 | tee -a lint.log;)
+	@go vet $(PACKAGES) 2>&1 | tee -a lint.log
 	@echo "Checking lint..."
 	@$(foreach dir,$(PACKAGES),golint $(dir) 2>&1 | tee -a lint.log;)
 	@echo "Checking for unresolved FIXMEs..."

leaks_test.go

@@ -69,7 +69,7 @@ type fakeT struct {
 }
 
 func (ft *fakeT) Error(args ...interface{}) {
-	ft.errors = append(ft.errors, fmt.Sprint(args))
+	ft.errors = append(ft.errors, fmt.Sprint(args...))
 }
 
 func TestVerifyNone(t *testing.T) {