this derivation will be built: /nix/store/nwp1n7aazn9q112gx5an7vnrxlfmpgfq-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/nwp1n7aazn9q112gx5an7vnrxlfmpgfq-bcachefs-module-7.0.0-38-generic.drv'...