these 2 derivations will be built:
  /nix/store/8jrv6q90bam44i34qrhbbmi2yh0cb5dr-claudebox.drv
  /nix/store/b0zjk20q0y9gj6q701sglcd5q3v8rawp-check-claudebox.drv
building '/nix/store/8jrv6q90bam44i34qrhbbmi2yh0cb5dr-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=22&system=aarch64-linux'
building '/nix/store/8jrv6q90bam44i34qrhbbmi2yh0cb5dr-claudebox.drv' on farm.numtide.com:50051
claudebox> elastic-arm-0b1d6a93: building 8jrv6q90bam44i34qrhbbmi2yh0cb5dr-claudebox.drv
building '/nix/store/b0zjk20q0y9gj6q701sglcd5q3v8rawp-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-linux'
building '/nix/store/b0zjk20q0y9gj6q701sglcd5q3v8rawp-check-claudebox.drv' on farm.numtide.com:50051
check-claudebox> elastic-arm-0b1d6a93: building b0zjk20q0y9gj6q701sglcd5q3v8rawp-check-claudebox.drv

upload niks3: ok