Use Go 1.4.

.travis.yml

@@ -1,10 +1,10 @@
 language: go
 go:
- - 1.3
+ - 1.4
 install:
  - true
 before_script:
- - go get code.google.com/p/go.tools/cmd/vet
+ - go get golang.org/x/tools/cmd/vet
  - go get github.com/kr/godep
  - wget http://s3.amazonaws.com/influxdb/influxdb_latest_amd64.deb
  - sudo dpkg -i influxdb_latest_amd64.deb

Godeps/Godeps.json

@@ -1,6 +1,6 @@
 {
 	"ImportPath": "github.com/google/cadvisor",
-	"GoVersion": "go1.3",
+	"GoVersion": "go1.4",
 	"Packages": [
 		"./..."
 	],