these 2 derivations will be built:
  /nix/store/f5clgvnzh5aw6hfxm15jhzw1whzrha7w-options.json.drv
  /nix/store/c1x2p0570kzh6q62ffwhzn4032ci4yq1-options.md.drv
building '/nix/store/f5clgvnzh5aw6hfxm15jhzw1whzrha7w-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/f5clgvnzh5aw6hfxm15jhzw1whzrha7w-options.json.drv' on farm.numtide.com:50051
options.json> elastic-arm-2c14001d: building f5clgvnzh5aw6hfxm15jhzw1whzrha7w-options.json.drv
building '/nix/store/c1x2p0570kzh6q62ffwhzn4032ci4yq1-options.md.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/c1x2p0570kzh6q62ffwhzn4032ci4yq1-options.md.drv' on farm.numtide.com:50051
options.md> elastic-arm-2c14001d: building c1x2p0570kzh6q62ffwhzn4032ci4yq1-options.md.drv
options.md> structuredAttrs is enabled