these 2 derivations will be built:
  /nix/store/sid885cfwmni23ibp0144n5q2lyganzk-options.json.drv
  /nix/store/3fk5v9r2malmiani15d05lp67avb2mfi-options.md.drv
building '/nix/store/sid885cfwmni23ibp0144n5q2lyganzk-options.json.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/sid885cfwmni23ibp0144n5q2lyganzk-options.json.drv' on farm.numtide.com:50051
options.json> mac02: building sid885cfwmni23ibp0144n5q2lyganzk-options.json.drv
building '/nix/store/3fk5v9r2malmiani15d05lp67avb2mfi-options.md.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/3fk5v9r2malmiani15d05lp67avb2mfi-options.md.drv' on farm.numtide.com:50051
options.md> mac02: building 3fk5v9r2malmiani15d05lp67avb2mfi-options.md.drv
options.md> structuredAttrs is enabled