these 4 derivations will be built:
  /nix/store/kyj7ps0kml574gqklmgxzbzpsy10p1by-claude.drv
  /nix/store/k2702hnk810srgfy36ap3siigb72lpd2-claude-code-2.1.307.drv
  /nix/store/q21m38fyv9sx3mh7psmch8skljqd3b29-claudebox.drv
  /nix/store/mrv5mw5mkhhra0qxcjrvjcn92s1sfcn9-check-claudebox.drv
building '/nix/store/q21m38fyv9sx3mh7psmch8skljqd3b29-claudebox.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=23&system=aarch64-linux'
building '/nix/store/q21m38fyv9sx3mh7psmch8skljqd3b29-claudebox.drv' on farm.numtide.com:50051
claudebox> elastic-arm-5bc3f80f: building q21m38fyv9sx3mh7psmch8skljqd3b29-claudebox.drv
building '/nix/store/mrv5mw5mkhhra0qxcjrvjcn92s1sfcn9-check-claudebox.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=23&system=aarch64-linux'
building '/nix/store/mrv5mw5mkhhra0qxcjrvjcn92s1sfcn9-check-claudebox.drv' on farm.numtide.com:50051
check-claudebox> elastic-arm-5bc3f80f: building mrv5mw5mkhhra0qxcjrvjcn92s1sfcn9-check-claudebox.drv

upload niks3: ok