this derivation will be built: /nix/store/h3zvgfngywyv34lpvmqakg7sjjvyk52q-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/h3zvgfngywyv34lpvmqakg7sjjvyk52q-bcachefs-module-7.0.0-38-generic.drv'...