this derivation will be built:
  /nix/store/k8m3d3qa87vaz235rwl24kdpvzwch1m2-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/k8m3d3qa87vaz235rwl24kdpvzwch1m2-bcachefs-module-7.0.0-38-generic.drv'...