Build Errors? "error: no match for ‘operator=’"

[liam-onion]

Here is the errors from my terminal: Pastebin

Ubuntu 16.10

Here are my files just in case. (I didn't edit any code) my nihstro files.tar.gz

[merryhime]

Boost ticket #12802. Regression in Boost 1.63.

[neobrain]

Haven't had issues with this recently, so presumably this was fixed somewhere along the way.