this derivation will be built: /nix/store/5ig6fvy4g7ks8b9w7z2q1lkffvkdv9x1-bcachefs-module-7.0.0-28-generic-64k.drv building '/nix/store/5ig6fvy4g7ks8b9w7z2q1lkffvkdv9x1-bcachefs-module-7.0.0-28-generic-64k.drv'...