this derivation will be built: /nix/store/cippq5bwmrbh71naf9vm0qwfa0ynwwx7-bcachefs-module-7.0.0-31-generic.drv building '/nix/store/cippq5bwmrbh71naf9vm0qwfa0ynwwx7-bcachefs-module-7.0.0-31-generic.drv'...