these 4 derivations will be built:
  /nix/store/031gw4y07xax5i5phzzjg7m3scpkl5bj-iets-0.1.0.drv
  /nix/store/p0siak67g06k8japzni903d6f5i0sr8b-iets-fuzz-diff-0.0.0.drv
  /nix/store/f204km63mbd7fdbyzipzv2s93b6c5i9x-iets-conformance-adapter.drv
  /nix/store/jimrv1mc6hgbhvacm915i619f34a0d6a-nix-conformance-iets.drv
building '/nix/store/f204km63mbd7fdbyzipzv2s93b6c5i9x-iets-conformance-adapter.drv'
iets-conformance-adapter> structuredAttrs is enabled
building '/nix/store/jimrv1mc6hgbhvacm915i619f34a0d6a-nix-conformance-iets.drv'
nix-conformance-iets> SKIP lang/eval-okay-closure.nix
nix-conformance-iets> SKIP lang/eval-okay-functionargs.nix
nix-conformance-iets> SKIP lang/eval-okay-xml.nix
nix-conformance-iets> 1384 passed, 0 failed, 17 known, 3 skipped

upload niks3: ok