these 2 derivations will be built:
  /nix/store/7lkiqymlmbyh3fdvrmgc88zx3wdlacgi-nix-conformance.drv
  /nix/store/fkgx6drks01dcbgwlmjncic9h3rr3555-nix-conformance-reference.drv
building '/nix/store/7lkiqymlmbyh3fdvrmgc88zx3wdlacgi-nix-conformance.drv'
nix-conformance> structuredAttrs is enabled
building '/nix/store/fkgx6drks01dcbgwlmjncic9h3rr3555-nix-conformance-reference.drv'
nix-conformance-reference> 1298 passed, 0 failed, 0 known, 0 skipped

upload niks3: ok