these 4 derivations will be built:
  /nix/store/2f10g0zjm0ydd0w21g6g3wfnd8c5bp0n-iets-0.1.0.drv
  /nix/store/dnvfhdxqy3dvsfs38qbirvk4fc6w306z-iets-fuzz-diff-0.0.0.drv
  /nix/store/ar6ixdfm36zh38lvqm4kzbskz9s7w1q3-iets-conformance-adapter.drv
  /nix/store/z8lz7cdc1yjnrjdr7v0d8x50wj2k5sl0-nix-conformance-iets.drv
error: Cannot build '/nix/store/z8lz7cdc1yjnrjdr7v0d8x50wj2k5sl0-nix-conformance-iets.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/kmvydk71a91jhzzy03b5ll1gndlizhq9-nix-conformance-iets
       Last 7 log lines:
       > SKIP lang/eval-okay-closure.nix
       > FAIL lang/eval-okay-eq-slot-identity.nix
       >   want: [ false false false true false false true true true true false true true true true ]
       >   got:  [ false true false true false false true true true true false true true true true ] (exit 0)
       > SKIP lang/eval-okay-functionargs.nix
       > SKIP lang/eval-okay-xml.nix
       > 939 passed, 1 failed, 7 known, 3 skipped
       For full logs, run:
         nix log /nix/store/z8lz7cdc1yjnrjdr7v0d8x50wj2k5sl0-nix-conformance-iets.drv