building config
GOT: make: Leaving directory `/tmp/nix-build-linux-config-3.14.31.drv-1/linux-3.14.31'
unused option: RT_GROUP_SCHED
unused option: TRANSPARENT_HUGEPAGE
unused option: TRANSPARENT_HUGEPAGE_ALWAYS
unused option: TRANSPARENT_HUGEPAGE_MADVISE
unused option: UBIFS_FS_XATTR
unused option: X86_INTEL_PSTATE
builder for ‘/nix/store/yjiklawwdvs30qb28jymv13wngp09lzk-linux-config-3.14.31.drv’ failed with exit code 255
cannot build derivation ‘/nix/store/r5j5sy3fqxp0da552pwnismy777pfiij-linux-3.14.31.drv’: 1 dependencies couldn't be built
cannot build derivation ‘/nix/store/njnhk68nj9vs31ni79j8h8qpm6g923wx-nixos-15.05pre57108.96d6344.drv’: 1 dependencies couldn't be built
error: build of ‘/nix/store/njnhk68nj9vs31ni79j8h8qpm6g923wx-nixos-15.05pre57108.96d6344.drv’ failed