> guix pull: error: You found a bug: the program 

> '/gnu/store/5xv3aac4lkfvvgyhs65l7a3r809h6iaj-compute-guix-derivation'
> failed to compute the derivation for Guix (version: 

> "d1c6b8db5a30f9e428d018156dadb12927c485f8"; system: "x86_64-linux";
> host version: "212ca81895b2baa819ea11a308ad21880b84a546"; 

> pull-version: 1).
> Please report the COMPLETE output above by email to <bug-guix <at> gnu.org>.

Came to report the same backtrace.