this derivation will be built: /nix/store/x3npnyid02irwm68ydqj4c93p9nnr9py-bcachefs-module-7.0.0-30-generic.drv building '/nix/store/x3npnyid02irwm68ydqj4c93p9nnr9py-bcachefs-module-7.0.0-30-generic.drv'...