these 5 derivations will be built:
  /nix/store/42wdb777mcw1idccv9qlb3y0lfaghgiz-python3.14-sse-starlette-3.2.0.drv
  /nix/store/0db0mfi44dyfsdd0n1jr5q6k8a94gaay-python3.14-httpx-sse-0.4.3.drv
  /nix/store/pv3pbpn8nwmg5yv9gij3brwpbywcmmvv-python3.14-mcp-1.29.0.drv
  /nix/store/r0xsah0x0d6drnf7ykbm0zhc021mb21r-python3.14-mistralai-vibe-local-harness-0.5.1.drv
  /nix/store/b36a1s18hxc0k5mhmqymb5mwb1hj4jfq-mistral-vibe-2.25.5.drv
bld4: lost niks3 claim before publishing, retrying elsewhere
bld4: lost niks3 claim before publishing, retrying elsewhere
bld4: lost niks3 claim before publishing, retrying elsewhere
bld4: lost niks3 claim before publishing, retrying elsewhere
bld4: lost niks3 claim before publishing, retrying elsewhere