this derivation will be built:
  /nix/store/dywky3cdy5cqw0jgiz7qgqfjj26vgp19-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/dywky3cdy5cqw0jgiz7qgqfjj26vgp19-bcachefs-module-7.0.0-30-generic.drv'...