these 2 derivations will be built:
  /nix/store/8ixylnj1vxrrpb9lrslrcmfxq8vss25v-nix-conformance.drv
  /nix/store/djpf9zx8aljz2mhqkwwjx8f5pwc09g4w-nix-conformance-reference.drv
building '/nix/store/8ixylnj1vxrrpb9lrslrcmfxq8vss25v-nix-conformance.drv'
nix-conformance> structuredAttrs is enabled
building '/nix/store/djpf9zx8aljz2mhqkwwjx8f5pwc09g4w-nix-conformance-reference.drv'
nix-conformance-reference> FAIL drv/d6a1f8c510654e558acbfccf5f288c236955ffdb.drv
nix-conformance-reference>   want: ok /nix/store/90vg4yykfn21ipxyd1nxh353li31irgh-x.drv 358206fda3e0ba5da8cefcf279b128ab903e2ca0d0bd785ffbf7e576e1327d95
nix-conformance-reference>   got:  ok /nix/store/s5n50yg4ivsvw6cwiq958bpvw348zh59-d6a1f8c510654e558acbfccf5f288c236955ffdb.drv 358206fda3e0ba5da8cefcf279b128ab903e2ca0d0bd785ffbf7e576e1327d95
nix-conformance-reference> 1404 passed, 1 failed, 0 known, 0 skipped
error: Cannot build '/nix/store/djpf9zx8aljz2mhqkwwjx8f5pwc09g4w-nix-conformance-reference.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/5isddlqzmrqnafh8258dq3rqkw5kjr2i-nix-conformance-reference
       Last 4 log lines:
       > FAIL drv/d6a1f8c510654e558acbfccf5f288c236955ffdb.drv
       >   want: ok /nix/store/90vg4yykfn21ipxyd1nxh353li31irgh-x.drv 358206fda3e0ba5da8cefcf279b128ab903e2ca0d0bd785ffbf7e576e1327d95
       >   got:  ok /nix/store/s5n50yg4ivsvw6cwiq958bpvw348zh59-d6a1f8c510654e558acbfccf5f288c236955ffdb.drv 358206fda3e0ba5da8cefcf279b128ab903e2ca0d0bd785ffbf7e576e1327d95
       > 1404 passed, 1 failed, 0 known, 0 skipped
       For full logs, run:
         nix log /nix/store/djpf9zx8aljz2mhqkwwjx8f5pwc09g4w-nix-conformance-reference.drv