these 3 derivations will be built:
  /nix/store/62kws9hjzbs58abl66rfv5khzd9jqgqv-claude-code-2.1.291.drv
  /nix/store/r78kly58fqb1wci3qj4vd4myn110sw0a-claudebox.drv
  /nix/store/is0r64ap3cm0wwk9cs2kr8h6l65gy6m6-check-claudebox.drv
building '/nix/store/r78kly58fqb1wci3qj4vd4myn110sw0a-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=21&system=aarch64-darwin'
building '/nix/store/r78kly58fqb1wci3qj4vd4myn110sw0a-claudebox.drv' on farm.numtide.com:50051
claudebox> mac02: building r78kly58fqb1wci3qj4vd4myn110sw0a-claudebox.drv
building '/nix/store/is0r64ap3cm0wwk9cs2kr8h6l65gy6m6-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=21&system=aarch64-darwin'
building '/nix/store/is0r64ap3cm0wwk9cs2kr8h6l65gy6m6-check-claudebox.drv' on farm.numtide.com:50051
check-claudebox> mac02: building is0r64ap3cm0wwk9cs2kr8h6l65gy6m6-check-claudebox.drv

upload niks3: ok