this derivation will be built: /nix/store/4wrmj7539i271qpjsqpqnpijcasybmgn-bcachefs-module-7.0.0-31-generic.drv building '/nix/store/4wrmj7539i271qpjsqpqnpijcasybmgn-bcachefs-module-7.0.0-31-generic.drv'...