this derivation will be built:
  /nix/store/5xsff524hbv214rhy0x21fc5xgq14bfj-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/5xsff524hbv214rhy0x21fc5xgq14bfj-bcachefs-module-7.0.0-38-generic.drv'...