this derivation will be built:
  /nix/store/d3x2640cpr4skp4gw5vj9gizjlgviv7j-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/d3x2640cpr4skp4gw5vj9gizjlgviv7j-bcachefs-module-7.0.0-38-generic.drv'...