xf86-input-cmt has been broken since December 2024 [1] [2] and has seen no upstream changes since December 2015 [3]. [1] https://hydra.nixos.org/job/nixpkgs/unstable/xf86-input-cmt.x86_64-linux/all [2] https://hydra.nixos.org/job/nixpkgs/unstable/xf86_input_cmt.x86_64-linux/all [3] https://github.com/hugegreenbug/xf86-input-cmt