this derivation will be built:
  /nix/store/j2wfym71cb03xvdfrgj5b2jfr7q9qnd1-bernstein-3.19.2.drv
this path will be fetched (538.7 KiB download, 3.0 MiB unpacked):
  /nix/store/lm4ynh1hql39mxi8mnx9j0cz6nkiq517-python3.14-mcp-1.29.0
error: gRPC QueryValidPaths on 'farm.numtide.com:50051' failed: error: niks3 push: signing and uploading narinfos: signing narinfos for closure 692446: server returned 403: invalid narinfo key: not part of this pending closure
              
error: Cannot build '/nix/store/j2wfym71cb03xvdfrgj5b2jfr7q9qnd1-bernstein-3.19.2.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/mqzw8wyadxxnw4wliz5frmnjk0iwx3gw-bernstein-3.19.2-dist
         /nix/store/nxxjqdzi1vazgwvjy447arbm60yb4bxb-bernstein-3.19.2