these 2 derivations will be built:
  /nix/store/nrjy1m28n1is9lvn1b968b5wsrmrr70s-claudebox.drv
  /nix/store/km5mwmp546bz7ijcd21l9q586zdig7am-check-claudebox.drv
building '/nix/store/nrjy1m28n1is9lvn1b968b5wsrmrr70s-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=20&system=aarch64-linux'
building '/nix/store/nrjy1m28n1is9lvn1b968b5wsrmrr70s-claudebox.drv' on farm.numtide.com:50051
claudebox> elastic-arm-b1a4a024: building nrjy1m28n1is9lvn1b968b5wsrmrr70s-claudebox.drv
building '/nix/store/km5mwmp546bz7ijcd21l9q586zdig7am-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/km5mwmp546bz7ijcd21l9q586zdig7am-check-claudebox.drv' on farm.numtide.com:50051
check-claudebox> elastic-arm-b1a4a024: building km5mwmp546bz7ijcd21l9q586zdig7am-check-claudebox.drv

upload niks3: ok