these 4 derivations will be built:
  /nix/store/5ggq8hr0ijkj39338j4157bshd44czhs-iets-fuzz-diff-0.0.0.drv
  /nix/store/vd6v2b11r3ix6x6vlhrgksk5gpd9y3gj-iets-0.1.0.drv
  /nix/store/hh4qad7p6sjbl745rbplvbx4qyks1wbr-iets-conformance-adapter.drv
  /nix/store/wn8rk7irkjrb4lw9sbagrgv4x6v73wd1-nix-conformance-iets.drv
building '/nix/store/hh4qad7p6sjbl745rbplvbx4qyks1wbr-iets-conformance-adapter.drv'
iets-conformance-adapter> structuredAttrs is enabled
building '/nix/store/wn8rk7irkjrb4lw9sbagrgv4x6v73wd1-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> 937 passed, 0 failed, 7 known, 3 skipped

upload niks3: ok