building '/nix/store/x6qhsw8x8crfysi7g87r6l7cc8m90sb5-xkeyboard-config-james-20161017.0.drv'...
unpacking sources
unpacking source archive /nix/store/ivvj7l0zhfpbskacbgdl0z9a679qd47v-xkeyboard-config-2.24.tar.bz2
source root is xkeyboard-config-2.24
setting SOURCE_DATE_EPOCH to timestamp 1528151782 of file xkeyboard-config-2.24/rules/evdev.xml.in
patching sources
applying patch /etc/nixos/xkeyboard-config-james.patch
/nix/store/i6vl5lwlz5jbkg4r6p340dwmj6fha3xq-stdenv-linux/setup: line 938: /etc/nixos/xkeyboard-config-james.patch: No such file or directory