these 2 derivations will be built:
  /nix/store/im8sja7crazh8y1lraw1hdq1by4rr8pq-options.json.drv
  /nix/store/mr5z6qrjrpwdl26fa1c83mdrznzxsrkk-options.md.drv
building '/nix/store/im8sja7crazh8y1lraw1hdq1by4rr8pq-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/im8sja7crazh8y1lraw1hdq1by4rr8pq-options.json.drv' on farm.numtide.com:50051
options.json> elastic-arm-1d05d380: building im8sja7crazh8y1lraw1hdq1by4rr8pq-options.json.drv
building '/nix/store/mr5z6qrjrpwdl26fa1c83mdrznzxsrkk-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/mr5z6qrjrpwdl26fa1c83mdrznzxsrkk-options.md.drv' on farm.numtide.com:50051
options.md> elastic-arm-1d05d380: building mr5z6qrjrpwdl26fa1c83mdrznzxsrkk-options.md.drv
options.md> structuredAttrs is enabled

upload niks3: ok