Unable to checkout golang.org/x/crypto

[Doweig]

glide install

[INFO]	--> Fetching golang.org/x/crypto
[WARN]	Unable to checkout golang.org/x/crypto
[ERROR]	Update failed for golang.org/x/crypto: Cannot detect VCS
[ERROR]	Failed to install: Cannot detect VCS

Tried on ubuntu 16.04 with go 1.10, any idea on how to solve this? Can't install btcd at the moment