this derivation will be built: /nix/store/4b1xl1g9vsx5xd029k7q11kh1vxi4aqi-bcachefs-module-7.0.0-28-generic.drv building '/nix/store/4b1xl1g9vsx5xd029k7q11kh1vxi4aqi-bcachefs-module-7.0.0-28-generic.drv'...