these 2 derivations will be built:
  /nix/store/28rm9d2rd0ragvdjanxncjf6wnpl24jx-options.json.drv
  /nix/store/d0v4zn2wd4ax1gllyp56drby9vpi70l0-options.md.drv
building '/nix/store/28rm9d2rd0ragvdjanxncjf6wnpl24jx-options.json.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/28rm9d2rd0ragvdjanxncjf6wnpl24jx-options.json.drv' on farm.numtide.com:50051
options.json> elastic-arm-bdb1245a: building 28rm9d2rd0ragvdjanxncjf6wnpl24jx-options.json.drv
building '/nix/store/d0v4zn2wd4ax1gllyp56drby9vpi70l0-options.md.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/d0v4zn2wd4ax1gllyp56drby9vpi70l0-options.md.drv' on farm.numtide.com:50051
options.md> elastic-arm-bdb1245a: building d0v4zn2wd4ax1gllyp56drby9vpi70l0-options.md.drv
options.md> structuredAttrs is enabled