this derivation will be built: /nix/store/i6xghb69k5la7jlcp76md8yk1mf2yzjx-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/i6xghb69k5la7jlcp76md8yk1mf2yzjx-bcachefs-module-7.0.0-38-generic.drv'...