this derivation will be built: /nix/store/yw4kis3hynkmjysyh7bmx46wxq984wx7-bcachefs-module-7.0.0-31-generic.drv building '/nix/store/yw4kis3hynkmjysyh7bmx46wxq984wx7-bcachefs-module-7.0.0-31-generic.drv'...