these 3 derivations will be built:
  /nix/store/7n2sxgwyscmr2zmz1zp203qsisw52myl-nix-conformance-adapter.drv
  /nix/store/xlayb1bi90q6rxa6nygf8agpvi5pqvkx-nix-conformance.drv
  /nix/store/yazz2kys2ipc8dck57wrax9s250r2330-nix-conformance-reference.drv
building '/nix/store/7n2sxgwyscmr2zmz1zp203qsisw52myl-nix-conformance-adapter.drv'
building '/nix/store/xlayb1bi90q6rxa6nygf8agpvi5pqvkx-nix-conformance.drv'
nix-conformance-adapter> structuredAttrs is enabled
nix-conformance> structuredAttrs is enabled
building '/nix/store/yazz2kys2ipc8dck57wrax9s250r2330-nix-conformance-reference.drv'
nix-conformance-reference> 950 passed, 0 failed, 0 known, 0 skipped

upload niks3: ok