Looks like a python issue. Attaching log. Reproducible: Always
Created attachment 285563 [details] THE log
you must post `emerge --info` with every bug report like the documentation says also post `emerge -pv bzr python`
emerge -pv bzr python These are the packages that would be merged, in order: Calculating dependencies ... done! [ebuild N ] sys-devel/autoconf-wrapper-10-r1 0 kB [ebuild N ] sys-devel/m4-1.4.15 USE="-examples" 925 kB [ebuild N ] sys-devel/autoconf-2.68 USE="-emacs" 1,350 kB [ebuild N ] dev-python/pycrypto-2.3 USE="gmp -doc" 324 kB [ebuild N ] dev-util/pkgconfig-0.26 USE="-hardened" 0 kB [ebuild R ] dev-lang/python-3.1.3-r1 USE="readline threads (wide-unicode) xml -build -doc -examples -gdbm -ipv6 -ncurses -sqlite -ssl -tk -wininst" 0 kB [ebuild N ] dev-python/paramiko-1.7.6 USE="-doc -examples" 824 kB [ebuild N ] dev-vcs/bzr-2.2.2-r1 USE="sftp -bash-completion -curl -doc -emacs -test" 6,736 While compiling grub, bzr is being pulled as dependency (it got removed during --depclean) emerge -pv --getbinpkg grub These are the packages that would be merged, in order: Calculating dependencies ... done! [binary N ] sys-devel/m4-1.4.15 USE="-examples" [binary N ] sys-devel/flex-2.5.35 USE="-nls -static" [binary N ] sys-devel/autoconf-wrapper-10-r1 [binary N ] sys-devel/automake-wrapper-4 [binary N ] sys-devel/bison-2.4.3 USE="-nls -static" [binary N ] virtual/yacc-0 [binary N ] sys-devel/autoconf-2.68 USE="-emacs" [binary N ] sys-apps/help2man-1.38.2 USE="-nls" [binary N ] sys-devel/automake-1.11.1 [binary N ] dev-python/pycrypto-2.3 USE="gmp -doc" [binary N ] dev-python/paramiko-1.7.6 USE="-doc -examples" [binary N ] dev-vcs/bzr-2.2.2-r1 USE="sftp -bash-completion -curl -doc -emacs -test" [binary N ] dev-scheme/guile-1.8.8-r1 USE="deprecated threads -debug -debug-freelist -debug-malloc -discouraged -emacs -networking -nls -regex" [binary N ] sys-devel/autogen-5.11.5 [ebuild U *] sys-boot/grub-9999 [1.99-r1] USE="device-mapper -custom-cflags -debug -efiemu -nls -sdl -static -truetype" GRUB_PLATFORMS="-coreboot -efi-32 -efi-64 -emu -ieee1275 -loongson% -multiboot -pc -qemu -qemu-mips (-yeeloong%)" 0 kB