this derivation will be built: /nix/store/0z8cdny2anr9ydq26wngsv3vk59im7ac-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/0z8cdny2anr9ydq26wngsv3vk59im7ac-bcachefs-module-7.0.0-38-generic.drv'...