1these 3 derivations will be built:2 /nix/store/14ivkaqlp9y8m0la7l1k585w5k5sdy57-python3.14-mcp-2.3.0.drv3 /nix/store/i1axwgz0ds36q3mfdsi78mzj7m1kyrn8-mistral-vibe-3.0.4.drv4 /nix/store/pil9r8rc61i3gszniss16nz8h989wpym-check-mistral-vibe.drv5this path will be fetched (44.4 KiB download, 201.6 KiB unpacked):6 /nix/store/jps0h0hrawsmcygpcxpsvmfz139xnw9q-python3.14-pytest-examples-0.0.18714ivkaqlp9y8m0la7l1k585w5k5sdy57-python3.14-mcp-2.3.0.drv: upstream connect error or disconnect/reset before headers. reset reason: connection termination, asking the scheduler again