this derivation will be built:
  /nix/store/zv13yp2yvmfcjid0x8i1fq92yxa00qdv-inputDerivation-ping.drv
building '/nix/store/zv13yp2yvmfcjid0x8i1fq92yxa00qdv-inputDerivation-ping.drv'...