this derivation will be built:
  /nix/store/7slv1a6vmmvs44cqybkjjv1qiphi7qas-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/7slv1a6vmmvs44cqybkjjv1qiphi7qas-bcachefs-module-7.0.0-34-generic.drv'...