this derivation will be built: /nix/store/0w4zhz6d792f7dq59zwz81q5inyc1ryf-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/0w4zhz6d792f7dq59zwz81q5inyc1ryf-bcachefs-module-7.0.0-38-generic.drv'...