"go get" fails for Go 1.4

[mewmew]

~/go1.4]$ bin/go version
go version go1.4.3 linux/amd64
[~/go1.4]$ bin/go get github.com/golang/lint/golint
package github.com/golang/lint/golint
    imports go/types: unrecognized import path "go/types"
package github.com/golang/lint/golint
    imports golang.org/x/tools/go/gcimporter15
    imports golang.org/x/tools/go/gcimporter15
    imports golang.org/x/tools/go/gcimporter15: no buildable Go source files in /tmp/go/src/golang.org/x/tools/go/gcimporter15

[dsymonds]

Per the README, golint nowadays requires Go 1.5 or later.