these 2 derivations will be built:
  /nix/store/3dkmr0cjrfw4sqzgb0jfn4jl6fx9z2wa-nix-conformance.drv
  /nix/store/k97ax3q9l2yvyhs27cw2ri1558krcnc1-nix-conformance-reference.drv
building '/nix/store/3dkmr0cjrfw4sqzgb0jfn4jl6fx9z2wa-nix-conformance.drv'
nix-conformance> structuredAttrs is enabled
building '/nix/store/k97ax3q9l2yvyhs27cw2ri1558krcnc1-nix-conformance-reference.drv'
nix-conformance-reference> 1405 passed, 0 failed, 0 known, 0 skipped

upload niks3: ok