this derivation will be built:
  /nix/store/7fjc7r5hfp0zvyjkgvq0myr849vm6zrm-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/7fjc7r5hfp0zvyjkgvq0myr849vm6zrm-bcachefs-module-7.0.0-30-generic.drv'...