these 3 derivations will be built:
  /nix/store/kyj7ps0kml574gqklmgxzbzpsy10p1by-claude.drv
  /nix/store/k2702hnk810srgfy36ap3siigb72lpd2-claude-code-2.1.307.drv
  /nix/store/9dpq1pix7njy8di6kkdvc5wn9cf3yb0q-check-claude-code.drv
building '/nix/store/9dpq1pix7njy8di6kkdvc5wn9cf3yb0q-check-claude-code.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=22&system=aarch64-linux'
building '/nix/store/9dpq1pix7njy8di6kkdvc5wn9cf3yb0q-check-claude-code.drv' on farm.numtide.com:50051
check-claude-code> elastic-arm-5bc3f80f: building 9dpq1pix7njy8di6kkdvc5wn9cf3yb0q-check-claude-code.drv

upload niks3: ok