these 2 derivations will be built:
  /nix/store/5a7z9id5wk2v0njx17064a4hd0ipcsxq-options.json.drv
  /nix/store/13k1wscrk0dzhyjb0xa0mp939mbs519z-options.md.drv
building '/nix/store/5a7z9id5wk2v0njx17064a4hd0ipcsxq-options.json.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/5a7z9id5wk2v0njx17064a4hd0ipcsxq-options.json.drv' on farm.numtide.com:50051
options.json> elastic-arm-99e59b18: building 5a7z9id5wk2v0njx17064a4hd0ipcsxq-options.json.drv
building '/nix/store/13k1wscrk0dzhyjb0xa0mp939mbs519z-options.md.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/13k1wscrk0dzhyjb0xa0mp939mbs519z-options.md.drv' on farm.numtide.com:50051
options.md> elastic-arm-99e59b18: building 13k1wscrk0dzhyjb0xa0mp939mbs519z-options.md.drv
options.md> structuredAttrs is enabled

upload niks3: ok