this derivation will be built:
  /nix/store/7kwn1cbfyln8scc3kmmmk88d4y8zrs9q-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/7kwn1cbfyln8scc3kmmmk88d4y8zrs9q-bcachefs-module-7.0.0-39-generic.drv'...