these 2 derivations will be built:
  /nix/store/mcfkba2mw497wzh6pxvma5rjkiq0b2mw-options.json.drv
  /nix/store/kzxsmijvb1m29frb3vfp9vpp5qfcf2yg-options.md.drv
building '/nix/store/mcfkba2mw497wzh6pxvma5rjkiq0b2mw-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=22&system=aarch64-linux'
building '/nix/store/mcfkba2mw497wzh6pxvma5rjkiq0b2mw-options.json.drv' on farm.numtide.com:50051
options.json> elastic-arm-cacc1749: building mcfkba2mw497wzh6pxvma5rjkiq0b2mw-options.json.drv
building '/nix/store/kzxsmijvb1m29frb3vfp9vpp5qfcf2yg-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=22&system=aarch64-linux'
building '/nix/store/kzxsmijvb1m29frb3vfp9vpp5qfcf2yg-options.md.drv' on farm.numtide.com:50051
options.md> elastic-arm-cacc1749: building kzxsmijvb1m29frb3vfp9vpp5qfcf2yg-options.md.drv
options.md> structuredAttrs is enabled

upload niks3: ok