TWRP has updated its recovery for its supported devices. Grab your copy for Shamu here: Motorola Nexus 6
Tapped from a Nexus 6
Tapped from a Nexus 6
TWRP Install (Requires TWRP 2.8.4 or higher already installed):
Download the latest TWRP image file (.img) from the download link and boot TWRP. Go to install and find and select the Images... button. Browse to the image that you downloaded and select it. Choose recovery and swipe to flash.